Move mk/ to core/

Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>

41 files changed, 3570 insertions, 0 deletions

diff --git a/core/mk/arch/arm/arm.mk b/core/mk/arch/arm/arm.mk
new file mode 100644
index 0000000..f3a3e48
--- /dev/null
+++ b/core/mk/arch/arm/arm.mk
@@ -0,0 +1,88 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software; you can distribute it and/or modify it
+# under the terms of the GNU General Public License
+# (Version 2 or later) published by the Free Software Foundation.
+#
+# This program is distributed in the hope it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+################################################################################
+#
+# \file         arm-arch.mk
+# \brief	arm-arch.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         June 2009
+################################################################################
+
+__embtk_arm_endian	:= $(if $(CONFIG_EMBTK_TARGET_ARCH_BIG_ENDIAN),eb)
+__embtk_arm_abi-$(CONFIG_EMBTK_CLIB_EGLIBC)	:= gnueabi
+__embtk_arm_abi-$(CONFIG_EMBTK_CLIB_GLIBC)	:= gnueabi
+__embtk_arm_abi		:= $(or $(__embtk_arm_abi-y),$(embtk_clib)eabi)
+
+LINUX_ARCH		:= arm
+GNU_TARGET_ARCH		:= arm
+EMBTK_MCU_FLAG		:= $(call __embtk_mk_uquote,$(CONFIG_EMBTK_ARM_MCU_STRING))
+GNU_TARGET		:= arm$(__embtk_arm_endian)-$(embtk_os)
+STRICT_GNU_TARGET	:= arm$(__embtk_arm_endian)-unknown-$(embtk_os)-$(__embtk_arm_abi)
+
+#
+# GCC/LLVM configure options
+#
+GCC_WITH_CPU		:= --with-cpu=$(EMBTK_MCU_FLAG)
+LLVM_WITH_CPU		:= --with-default-cpu=$(EMBTK_MCU_FLAG)
+
+# GCC extra configure options for arm
+GCC3_CONFIGURE_EXTRA_OPTIONS += $(strip $(if $(CONFIG_EMBTK_GCC_LANGUAGE_JAVA),	\
+					--enable-sjlj-exceptions))
+
+# Hard or soft floating point for GCC/LLVM?
+GCC_WITH_FLOAT-$(CONFIG_EMBTK_SOFTFLOAT)		:= soft
+GCC_WITH_FLOAT-$(CONFIG_EMBTK_HARDFLOAT)		:= softfp
+GCC_WITH_FLOAT	:= --with-float=$(GCC_WITH_FLOAT-y)
+LLVM_WITH_FLOAT	:= --with-default-float=$(GCC_WITH_FLOAT-y)
+
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFP)		:= vfp
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3)		:= vfpv3
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3_D16)	:= vfpv3-d16
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3_FP16)	:= vfpv3-fp16
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3_D16FP16)	:= vfpv3-d16-fp16
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3_XD)	:= vfpv3xd
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV3_XDFP16)	:= vfpv3xd-fp16
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV4)		:= vfpv4
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_VFPV4_D16)	:= vfpv4-d16
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_FPV4_SPD16)	:= fpv4-sp-d16
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_NEON)		:= neon
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_NEON_FP16)	:= neon-fp16
+GCC_WITH_FPU-$(CONFIG_EMBTK_ARCH_ARM_FPU_NEON_VFPV4)	:= neon-vfpv4
+GCC_WITH_FPU	:= $(if $(GCC_WITH_FPU-y),--with-fpu=$(GCC_WITH_FPU-y))
+LLVM_WITH_FPU	:= $(if $(GCC_WITH_FPU-y),--with-default-fpu=$(GCC_WITH_FPU-y))
+
+# Hard or soft floating point?
+EMBTK_TARGET_FLOAT_CFLAGS := $(strip $(if $(CONFIG_EMBTK_SOFTFLOAT),		\
+					-mfloat-abi=soft,-mfloat-abi=softfp))
+
+# Some other flags for TARGET_CFLAGS
+EMBTK_TARGET_MCPU	:= -mcpu=$(EMBTK_MCU_FLAG)
+EMBTK_TARGET_MARCH	:=
+
+#
+# musl options
+#
+embtk_musl_dlinker	:= ld-musl-arm$(__embtk_arm_endian)$(if $(CONFIG_EMBTK_HARDFLOAT),hf)
+
+#
+# misc
+#
+
+# Some cross compiler variables
+__xtools_env_float	:= $(if $(CONFIG_EMBTK_SOFTFLOAT),sf,hf)
+__xtools_archos		:= $(GNU_TARGET)
+__xtools_env		:= $(EMBTK_MCU_FLAG)-$(__xtools_env_float)
diff --git a/core/mk/arch/mips/mips.mk b/core/mk/arch/mips/mips.mk
new file mode 100644
index 0000000..6914579
--- /dev/null
+++ b/core/mk/arch/mips/mips.mk
@@ -0,0 +1,150 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software; you can distribute it and/or modify it
+# under the terms of the GNU General Public License
+# (Version 2 or later) published by the Free Software Foundation.
+#
+# This program is distributed in the hope it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+################################################################################
+#
+# \file         mips.mk
+# \brief	mips.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         May 2009
+################################################################################
+
+LINUX_ARCH		:= mips
+
+__embtk_mips_endian	:= $(if $(CONFIG_EMBTK_TARGET_ARCH_LITTLE_ENDIAN),el)
+__embtk_mips_abi-$(CONFIG_EMBTK_CLIB_EGLIBC)	:= gnu
+__embtk_mips_abi-$(CONFIG_EMBTK_CLIB_GLIBC)	:= gnu
+__embtk_mips_abi	:= $(or $(__embtk_mips_abi-y),$(embtk_clib))
+__embtk_mips_64bit	:= $(if $(CONFIG_EMBTK_TARGET_ARCH_64BITS),64)
+
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS_MIPS1),y)
+GNU_TARGET		:= mips$(__embtk_mips_endian)-$(embtk_os)
+STRICT_GNU_TARGET	:= mips$(__embtk_mips_endian)-unknown-$(embtk_os)-$(__embtk_mips_abi)
+GNU_TARGET_ARCH		:= mips1
+endif
+
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS_MIPS2),y)
+GNU_TARGET		:= mips$(__embtk_mips_endian)-$(embtk_os)
+STRICT_GNU_TARGET	:= mips$(__embtk_mips_endian)-unknown-$(embtk_os)-$(__embtk_mips_abi)
+GNU_TARGET_ARCH		:= mips2
+endif
+
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS_MIPS3),y)
+GNU_TARGET		:= mips64$(__embtk_mips_endian)-$(embtk_os)
+STRICT_GNU_TARGET	:= mips64$(__embtk_mips_endian)-unknown-$(embtk_os)-$(__embtk_mips_abi)
+GNU_TARGET_ARCH		:= mips3
+endif
+
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS_MIPS4),y)
+GNU_TARGET		:= mips64$(__embtk_mips_endian)-$(embtk_os)
+STRICT_GNU_TARGET	:= mips64$(__embtk_mips_endian)-unknown-$(embtk_os)-$(__embtk_mips_abi)
+GNU_TARGET_ARCH		:= mips4
+endif
+
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS_MIPS32),y)
+GNU_TARGET		:= mips$(__embtk_mips_endian)-$(embtk_os)
+STRICT_GNU_TARGET	:= mipsisa32$(__embtk_mips_endian)-unknown-$(embtk_os)-$(__embtk_mips_abi)
+GNU_TARGET_ARCH		:= mips32
+endif
+
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS_MIPS32R2),y)
+GNU_TARGET		:= mips$(__embtk_mips_endian)-$(embtk_os)
+STRICT_GNU_TARGET	:= mipsisa32r2$(__embtk_mips_endian)-unknown-$(embtk_os)-$(__embtk_mips_abi)
+GNU_TARGET_ARCH		:= mips32r2
+endif
+
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS_MIPS64),y)
+GNU_TARGET		:= mips64$(__embtk_mips_endian)-$(embtk_os)
+STRICT_GNU_TARGET	:= mipsisa64$(__embtk_mips_endian)-unknown-$(embtk_os)-$(__embtk_mips_abi)
+GNU_TARGET_ARCH		:= mips64
+endif
+
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS_MIPS64R2),y)
+GNU_TARGET		:= mips64$(__embtk_mips_endian)-$(embtk_os)
+STRICT_GNU_TARGET	:= mipsisa64r2$(__embtk_mips_endian)-unknown-$(embtk_os)-$(__embtk_mips_abi)
+GNU_TARGET_ARCH		:= mips64r2
+endif
+
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS_OCTEON),y)
+GNU_TARGET		:= mips64octeon$(__embtk_mips_endian)-$(embtk_os)
+STRICT_GNU_TARGET	:= mips64octeon$(__embtk_mips_endian)-unknown-$(embtk_os)-$(__embtk_mips_abi)
+GNU_TARGET_ARCH		:= octeon
+endif
+
+EMBTK_MCU_FLAG		:= $(GNU_TARGET_ARCH)
+
+#
+# GCC configure options
+#
+GCC_WITH_ARCH			:= --with-arch=$(GNU_TARGET_ARCH)
+
+# Hard or soft floating point for GCC?
+ifeq ($(CONFIG_EMBTK_HARDFLOAT),y)
+GCC_WITH_FLOAT			:= --with-float=hard
+LLVM_WITH_FLOAT			:= --with-default-float=hard
+EMBTK_TARGET_FLOAT_CFLAGS	:= -mhard-float
+__xtools_env_float		:= hf
+else
+GCC_WITH_FLOAT			:= --with-float=soft
+LLVM_WITH_FLOAT			:= --with-default-float=soft
+EMBTK_TARGET_FLOAT_CFLAGS	:= -msoft-float
+__xtools_env_float		:= sf
+endif
+
+# ABI part
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS_ABI_O32),y)
+GCC_WITH_ABI			:= --with-abi=32
+LLVM_WITH_ABI			:= --with-default-abi=o32
+EMBTK_TARGET_ABI		:= -mabi=32
+__xtools_env_abi		:= o32
+
+else ifeq ($(CONFIG_EMBTK_ARCH_MIPS_ABI_N32),y)
+GCC_WITH_ABI			:= --with-abi=n32
+LLVM_WITH_ABI			:= --with-default-abi=n32
+EMBTK_TARGET_ABI		:= -mabi=n32
+__xtools_env_abi		:= n32
+
+#else ifeq ($(CONFIG_EMBTK_ARCH_MIPS_ABI_EABI),y)
+#GCC_WITH_ABI			:= --with-abi=eabi
+#EMBTK_TARGET_ABI		:= -mabi=eabi
+
+#else ifeq ($(CONFIG_EMBTK_ARCH_MIPS_ABI_O64),y)
+#GCC_WITH_ABI			:= --with-abi=o64
+#EMBTK_TARGET_ABI		:= -mabi=o64
+
+else
+GCC_WITH_ABI			:= --with-abi=64
+LLVM_WITH_ABI			:= --with-default-abi=n64
+EMBTK_TARGET_ABI		:= -mabi=64
+__xtools_env_abi		:= n64
+endif
+
+# Some other flags for TARGET_CFLAGS
+EMBTK_TARGET_MCPU		:=
+EMBTK_TARGET_MARCH		:= -march=$(EMBTK_MCU_FLAG)
+
+#
+# musl options
+#
+embtk_musl_dlinker	:= ld-musl-mips$(__embtk_mips_endian)$(if $(CONFIG_EMBTK_SOFTFLOAT),-sf)
+
+#
+# misc
+#
+
+# Some cross compiler variables
+__xtools_archos			:= mips$(__embtk_mips_64bit)$(__embtk_mips_endian)-$(embtk_os)
+__xtools_env			:= $(GNU_TARGET_ARCH)$(__xtools_env_float)-$(__xtools_env_abi)
diff --git a/core/mk/autoconf.mk b/core/mk/autoconf.mk
new file mode 100644
index 0000000..d4bd6c7
--- /dev/null
+++ b/core/mk/autoconf.mk
@@ -0,0 +1,46 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2010-2011 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         autoconf.mk
+# \brief	autoconf.mk of Embtoolkit.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         February 2010
+################################################################################
+
+AUTOCONF_NAME		:= autoconf
+AUTOCONF_VERSION	:= $(call embtk_get_pkgversion,autoconf)
+AUTOCONF_SITE		:= http://ftp.gnu.org/gnu/autoconf
+AUTOCONF_PACKAGE	:= autoconf-$(AUTOCONF_VERSION).tar.bz2
+AUTOCONF_SRC_DIR	:= $(embtk_toolsb)/autoconf-$(AUTOCONF_VERSION)
+AUTOCONF_BUILD_DIR	:= $(embtk_toolsb)/autoconf-$(AUTOCONF_VERSION)
+
+# autoconf binaries
+AUTOCONF_DIR	:= $(embtk_htools)/usr
+AUTOCONF	:= $(AUTOCONF_DIR)/bin/autoconf
+AUTOHEADER	:= $(AUTOCONF_DIR)/bin/autoheader
+AUTOM4TE	:= $(AUTOCONF_DIR)/bin/autom4te
+AUTORECONF	:= $(AUTOCONF_DIR)/bin/autoreconf
+AUTOSCAN	:= $(AUTOCONF_DIR)/bin/autoscan
+AUTOUPDATE	:= $(AUTOCONF_DIR)/bin/autoupdate
+IFNAMES		:= $(AUTOCONF_DIR)/bin/ifnames
+export AUTOCONF AUTOHEADER AUTOM4TE AUTORECONF AUTOSCAN AUTOUPDATE IFNAMES
+
+define embtk_install_autoconf
+	$(call __embtk_install_hostpkg,autoconf)
+endef
diff --git a/core/mk/automake.mk b/core/mk/automake.mk
new file mode 100644
index 0000000..3d3f1a2
--- /dev/null
+++ b/core/mk/automake.mk
@@ -0,0 +1,40 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2010-2011 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         automake.mk
+# \brief	automake.mk of Embtoolkit.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         February 2010
+################################################################################
+
+AUTOMAKE_NAME		:= automake
+AUTOMAKE_VERSION	:= $(call embtk_get_pkgversion,AUTOMAKE)
+AUTOMAKE_SITE		:= http://ftp.gnu.org/gnu/automake
+AUTOMAKE_PACKAGE	:= automake-$(AUTOMAKE_VERSION).tar.xz
+AUTOMAKE_SRC_DIR	:= $(embtk_toolsb)/automake-$(AUTOMAKE_VERSION)
+AUTOMAKE_BUILD_DIR	:= $(embtk_toolsb)/automake-$(AUTOMAKE_VERSION)
+
+AUTOMAKE_DIR	:= $(embtk_htools)/usr
+ACLOCAL		:= $(AUTOMAKE_DIR)/bin/aclocal
+AUTOMAKE	:= $(AUTOMAKE_DIR)/bin/automake
+export ACLOCAL AUTOMAKE
+
+define embtk_install_automake
+	$(call __embtk_install_hostpkg,automake)
+endef
diff --git a/core/mk/bmake.mk b/core/mk/bmake.mk
new file mode 100644
index 0000000..4dccf83
--- /dev/null
+++ b/core/mk/bmake.mk
@@ -0,0 +1,51 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         bmake.mk
+# \brief	bmake.mk of Embtoolkit.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         April 2013
+################################################################################
+
+BMAKE_NAME		:= bmake
+BMAKE_VERSION		:= $(call embtk_get_pkgversion,bmake)
+BMAKE_SITE		:= http://ftp.netbsd.org/pub/NetBSD/misc/sjg
+BMAKE_PACKAGE		:= bmake-$(BMAKE_VERSION).tar.gz
+BMAKE_SRC_DIR		:= $(embtk_toolsb)/bmake
+BMAKE_BUILD_DIR		:= $(embtk_toolsb)/bmake-build
+
+define __embtk_install_bmake
+	$(call embtk_pinfo,"Install bmake-$(BMAKE_VERSION)...")
+	$(call embtk_download_pkg,bmake)
+	$(call embtk_decompress_pkg,bmake)
+	cd $(BMAKE_BUILD_DIR) && MAKEFLAGS=""					\
+		$(BMAKE_SRC_DIR)/boot-strap					\
+			--prefix=$(embtk_htools)/usr --install
+	$(call __embtk_setinstalled_pkg,bmake)
+	$(call __embtk_pkg_gen_dotkconfig_f,bmake)
+	$(eval __embtk_bmake_installed := y)
+endef
+
+define embtk_install_bmake
+	$(if $(call __embtk_pkg_runrecipe-y,bmake),$(__embtk_install_bmake))
+endef
+
+define embtk_cleanup_bmake
+	rm -rf $(BMAKE_BUILD_DIR)
+endef
diff --git a/core/mk/buildsystem.mk b/core/mk/buildsystem.mk
new file mode 100644
index 0000000..8bada7e
--- /dev/null
+++ b/core/mk/buildsystem.mk
@@ -0,0 +1,209 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         buildsystem.mk
+# \brief	buildsystem.mk of Embtoolkit.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         May 2009
+################################################################################
+
+TOOLS_BUILD		:= $(EMBTK_ROOT)/build/tools_build-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)
+PACKAGES_BUILD		:= $(EMBTK_ROOT)/build/packages_build-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)
+DOWNLOAD_DIR		:= $(patsubst %/,%,$(subst ",,$(strip $(CONFIG_EMBTK_DOWNLOAD_DIR))))
+J			:= -j$(or $(CONFIG_EMBTK_NUMBER_BUILD_JOBS),1)
+
+#
+# New version of above variables names. The old names are scheduled for removal
+#
+embtk_generated		:= $(EMBTK_ROOT)/generated
+embtk_sysroot		:= $(embtk_generated)/sysroot-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)
+embtk_tools		:= $(embtk_generated)/tools-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)
+embtk_htools		:= $(embtk_generated)/host-tools-$(EMBTK_MCU_FLAG)
+embtk_toolsb		:= $(TOOLS_BUILD)
+embtk_pkgb		:= $(PACKAGES_BUILD)
+embtk_rootfs		:= $(embtk_generated)/rootfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)
+__embtk_dldir		:= $(patsubst %/,%,$(call __embtk_mk_uquote,$(CONFIG_EMBTK_DOWNLOAD_DIR)))
+embtk_dldir		:= $(or $(__embtk_dldir),$(EMBTK_ROOT)/dl)
+
+
+define __embtk_kconfig_buildrun
+	PKG_CONFIG_PATH=$(EMBTK_HOST_PKG_CONFIG_PATH)				\
+	$(MAKE) -f scripts/Makefile.build					\
+		obj=$(EMBTK_ROOT)/scripts/kconfig				\
+		EMBTK_DEFAULT_DL="$(EMBTK_ROOT)/dl/"				\
+		EMBTK_VERSION=$(EMBTK_VERSION)					\
+		CONFIG_SHELL=$(CONFIG_EMBTK_SHELL)				\
+		quiet=quiet_ KBUILD_VERBOSE=0 $(1)
+endef
+
+define __embtk_mk_xconfig
+	$(if $(CONFIG_EMBTK_DOTCONFIG),true,
+		if [ -e $(EMBTK_DOTCONFIG).old ]; then				\
+			cp $(EMBTK_DOTCONFIG).old  $(EMBTK_DOTCONFIG);		\
+		fi)
+	$(call __embtk_kconfig_buildrun,$(1))
+endef
+
+xconfig menuconfig olddefconfig: embtk_kconfig_basic
+	$(Q)$(call __embtk_mk_xconfig,$@)
+
+embtk_kconfig_basic:
+	$(Q)$(MAKE) -f scripts/Makefile.build					\
+		obj=$(EMBTK_ROOT)/scripts/basic quiet=quiet_ KBUILD_VERBOSE=0
+
+__bsystem_xtoolchain_decompressed := $(wildcard $(embtk_generated)/toolchain-*/.*.embtk.decompressed)
+clean: toolchain_clean rmallpath
+	$(Q)$(__embtk_kconfig_clean)
+	[ -e .config ] && cp .config .config.old || true
+	$(Q)rm -rf .config kbuild.log .fakeroot*
+	$(Q)$(if $(__bsystem_xtoolchain_decompressed),rm -rf $(__bsystem_xtoolchain_decompressed))
+
+distclean: clean
+	$(Q)rm -rf dl/* src/*.git src/*.svn .config.old
+	$(Q)rm -rf $(embtk_generated)
+
+define __embtk_mk_pwarning_restartbuild
+	$(call embtk_pwarning,"Wrong make target - Use correct make target")
+	$(call embtk_echo_yellow,"You are trying to restart all the build while it is already")
+	$(call embtk_echo_yellow,"done. Please use the correct make target!!!")
+	echo
+	$(MAKE) help
+endef
+
+define __embtk_mk_print_selectedfeatures
+	$(call embtk_pinfo,"Starting build of selected features...")
+	$(call embtk_echo_blue," ~~~~~~~~~~~ ")
+	$(call embtk_echo_blue,"| Toolchain |")
+	$(call embtk_echo_blue," ~~~~~~~~~~~ ")
+	$(call embtk_echo_blue,"\tEmbToolkit          : v$(EMBTK_VERSION)")
+	$(call embtk_echo_blue,"\tArchitecture        : $(LINUX_ARCH) ($(EMBTK_MCU_FLAG))")
+	$(call embtk_echo_blue,"\tLinux kernel headers: linux-$(call __embtk_pkg_version,linux)")
+	$(call embtk_echo_blue,"\tBinutils            : binutils-$(call  __embtk_pkg_version,binutils)")
+	$(if $(CONFIG_EMBTK_HAVE_LLVM),
+	$(call embtk_echo_blue,"\tCLANG/LLVM          : clang/llvm-$(call __embtk_pkg_version,llvm)"))
+	$(call embtk_echo_blue,"\tGCC                 : gcc-$(call __embtk_pkg_version,gcc)")
+	$(call embtk_echo_blue,"\tC library           : $(call __embtk_pkg_name,$(embtk_clib))-$(call __embtk_pkg_version,$(embtk_clib))")
+	$(if $(CONFIG_EMBTK_HAVE_GDB_SYSTEM),
+	$(call embtk_echo_blue,"\tGDB                 : gdb-$(call __embtk_pkg_version,gdb)"))
+	$(if $(CONFIG_EMBTK_HAVE_STRACE),
+	$(call embtk_echo_blue,"\tStrace              : strace-$(call __embtk_pkg_version,strace)"))
+	$(call embtk_echo_blue," ~~~~~~~~~~~~ ")
+	$(call embtk_echo_blue,"| Host tools |")
+	$(call embtk_echo_blue," ~~~~~~~~~~~~ ")
+	$(call embtk_echo_blue,"\tNumber of host tools packages needed:$(__embtk_hosttools_nrpkgs-y)")
+	$(if $(CONFIG_EMBTK_HAVE_ROOTFS),
+		$(call embtk_echo_blue," ~~~~~~~~~~~~~~~~~~ ")
+		$(call embtk_echo_blue,"| Root FS packages |")
+		$(call embtk_echo_blue," ~~~~~~~~~~~~~~~~~~ ")
+		$(call embtk_echo_blue,"\tNumber of root FS packages:$(__embtk_rootfs_nrpkgs-y)")
+		$(call embtk_echo_blue," ~~~~~~~~~~~~~~~ ")
+		$(call embtk_echo_blue,"| Root FS types |")
+		$(call embtk_echo_blue," ~~~~~~~~~~~~~~~ ")
+		$(call embtk_echo_blue,"\tTAR.BZ2    : Yes")
+		$(call embtk_echo_blue,"\tInitramfs  : $(if $(CONFIG_EMBTK_ROOTFS_HAVE_INITRAMFS_CPIO),Yes,No)")
+		$(call embtk_echo_blue,"\tsquashFS   : $(if $(CONFIG_EMBTK_ROOTFS_HAVE_SQUASHFS),Yes,No)")
+		$(call embtk_echo_blue,"\tJFFS2      : $(if $(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2),Yes,No)"))
+endef
+
+__embtk_mk_startbuild-y						:= toolchain_install
+__embtk_mk_startbuild-$(CONFIG_EMBTK_BUILD_LINUX_KERNEL)	+= linux_install
+__embtk_mk_startbuild-$(CONFIG_EMBTK_HAVE_ROOTFS)		+= rootfs_build
+__embtk_mk_startbuild-y						+= successful_build
+define __embtk_mk_startbuild
+	$(__embtk_mk_print_selectedfeatures)
+	$(MAKE) $(__embtk_mk_startbuild-y)
+endef
+
+__bsystem_toolchain_decompressed := $(wildcard $(call __embtk_pkg_dotdecompressed_f,toolchain))
+startbuild:
+	$(if $(__bsystem_toolchain_decompressed),				\
+		$(__embtk_mk_pwarning_restartbuild),$(__embtk_mk_startbuild))
+
+define __embtk_mk_initsysrootdirs
+	mkdir -p $(embtk_generated)
+	mkdir -p $(embtk_sysroot)
+	[ -L $(EMBTK_ROOT)/$(notdir $(embtk_sysroot)) ] ||			\
+		ln -sf $(embtk_sysroot) $(EMBTK_ROOT)/$(notdir $(embtk_sysroot))
+	mkdir -p $(embtk_sysroot)/etc
+	mkdir -p $(embtk_sysroot)/lib
+	mkdir -p $(embtk_sysroot)/usr
+	mkdir -p $(embtk_sysroot)/root
+	mkdir -p $(embtk_sysroot)/usr/lib
+	$(if $(CONFIG_EMBTK_32BITS_FS),,					\
+		cd $(embtk_sysroot); rm -rf lib64; ln -sf lib lib64;		\
+		cd $(embtk_sysroot)/usr; rm -rf lib64; ln -sf lib lib64)
+	$(if $(CONFIG_EMBTK_64BITS_FS_COMPAT32),				\
+		cd $(embtk_sysroot);						\
+			 rm -rf lib64; ln -sf lib lib64; mkdir -p lib32;	\
+		cd $(embtk_sysroot)/usr;					\
+			 rm -rf lib64; ln -sf lib lib64; mkdir -p lib32)
+endef
+
+define __embtk_mk_inittoolsdirs
+	mkdir -p $(embtk_generated)
+	mkdir -p $(embtk_generated)/toolchains
+	mkdir -p $(embtk_tools)
+	mkdir -p $(embtk_toolsb)
+	[ -L $(EMBTK_ROOT)/$(notdir $(embtk_tools)) ] ||			\
+		ln -sf $(embtk_tools) $(EMBTK_ROOT)/$(notdir $(embtk_tools))
+endef
+
+define __embtk_mk_initpkgdirs
+	mkdir -p $(EMBTK_ROOT)/build
+	mkdir -p $(embtk_pkgb)
+endef
+
+define __embtk_mk_inithosttoolsdirs
+	mkdir -p $(embtk_generated)
+	mkdir -p $(embtk_htools)
+	mkdir -p $(embtk_htools)/usr
+	mkdir -p $(embtk_htools)/usr/include
+	mkdir -p $(embtk_htools)/usr/local
+	[ -L $(EMBTK_ROOT)/$(notdir $(embtk_htools)) ] ||			\
+		ln -sf $(embtk_htools) $(EMBTK_ROOT)/$(notdir $(embtk_htools))
+endef
+
+define __embtk_kconfig_clean
+	rm -rf $(EMBTK_ROOT)/scripts/basic/fixdep
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name 'config*')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name 'lex.*.c')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name 'zconf.lex.c')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name '*.tab.c')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name '*.tab.h')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name 'zconf.hash.c')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name '*.moc')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name 'lkc_defs.h')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name '*.o')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name '*.tmp_qtcheck')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name '*.tmp_gtkcheck')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name 'conf')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name 'mconf')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name 'qconf')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name 'gconf')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/kconfig -type f -name 'kxgettext')
+	rm -rf $$(find $(EMBTK_ROOT)/scripts/ -type f -name '*.*.cmd')
+endef
+
+rmallpath:
+	$(Q)rm -rf $(embtk_pkgb)* $(embtk_rootfs)* $(embtk_tools)* $(embtk_toolsb)*
+	$(Q)rm -rf $(EMBTK_ROOT)/host-tools-*
+	$(Q)rm -rf $(EMBTK_ROOT)/sysroot-*
+	$(Q)rm -rf $(EMBTK_ROOT)/tools-*
+	$(Q)rm -rf $(embtk_sysroot)* $(embtk_htools)* $(embtk_generated)/rootfs-*
+	$(Q)$(if $(CONFIG_EMBTK_CACHE_PATCHES),,rm -rf $(embtk_dldir)/*.patch)
diff --git a/core/mk/eglibc.mk b/core/mk/eglibc.mk
new file mode 100644
index 0000000..959283d
--- /dev/null
+++ b/core/mk/eglibc.mk
@@ -0,0 +1,127 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         eglibc.mk
+# \brief	eglibc.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         May 2009
+################################################################################
+
+EGLIBC_NAME			:= eglibc
+EGLIBC_VERSION			:= $(call embtk_get_pkgversion,eglibc)
+EGLIBC_SVN_SITE			:= http://www.eglibc.org/svn
+EGLIBC_SRC_DIR			:= $(call __embtk_pkg_localsvn,eglibc)
+EGLIBC_BUILD_DIR 		:= $(embtk_toolsb)/eglibc-build
+
+__embtk_eglibc_cflags	:= $(filter-out $(__clang_cflags),$(TARGET_CFLAGS))
+__embtk_eglibc_cflags	+= $(EMBTK_TARGET_MCPU)
+__embtk_eglibc_cflags	+= $(EMBTK_TARGET_ABI) $(EMBTK_TARGET_FLOAT_CFLAGS)
+__embtk_eglibc_cflags	+= $(EMBTK_TARGET_MARCH) -pipe
+# eglibc does not support -O0 optimization
+embtk_eglibc_cflags	:= $(subst -O0,-O1,$(__embtk_eglibc_cflags))
+
+# Hard or soft floating point in eglibc?
+embtk_eglibc_floattype := $(if $(CONFIG_EMBTK_SOFTFLOAT),--with-fp=no,--with-fp=yes)
+
+# Versioning in eglibc
+embtk_eglibc_versioning-$(CONFIG_EMBTK_EGLIBC_DISABLE_VERSIONING) :=		\
+							--disable-versioning
+embtk_eglibc-sunrpc-$(CONFIG_KEMBTK_EGLIBC_OPTION_EGLIBC_SUNRPC) :=		\
+						--enable-obsolete-rpc=yes
+
+embtk_eglibc_optgroups_f	:= $(EMBTK_ROOT)/core/mk/eglibc/eglibc-$(EGLIBC_VERSION)-options.mk
+eglibc_optgroups_f		:= $(EGLIBC_BUILD_DIR)/option-groups.config
+
+ifeq ($(embtk_buildhost_os_type),bsd)
+embtk_eglibc_buildcflags	:= -I/usr/local/include
+embtk_eglibc_buildldflags	:= -L/usr/local/lib -lintl
+endif
+
+#
+# eglibc install
+#
+
+define embtk_configure_eglibc
+	cd $(EGLIBC_BUILD_DIR);							\
+	BUILD_CC="$(hostcc_cached)"						\
+	CFLAGS="$(embtk_eglibc_cflags)"						\
+	CC=$(TARGETGCC_CACHED)							\
+	CXX=$(TARGETGCXX_CACHED)						\
+	AR=$(TARGETAR)								\
+	RANLIB=$(TARGETRANLIB)							\
+	READELF=$(TARGETREADELF)						\
+	NM=$(TARGETNM)								\
+	OBJCOPY=$(TARGETOBJCOPY)						\
+	OBJDUMP=$(TARGETDUMP)							\
+	$(CONFIG_EMBTK_SHELL) $(EGLIBC_SRC_DIR)/libc/configure			\
+	--prefix=/usr --with-headers=$(embtk_sysroot)/usr/include		\
+	--host=$(STRICT_GNU_TARGET)						\
+	--target=$(STRICT_GNU_TARGET)						\
+	--build=$(HOST_BUILD)							\
+	$(embtk_eglibc_floattype) --disable-profile --without-gd --without-cvs	\
+	--enable-add-ons --enable-kernel="2.6.27"				\
+	$(embtk_eglibc_versioning-y)						\
+	$(embtk_eglibc-sunrpc-y)						\
+	--with-bugurl=$(EMBTK_BUGURL)						\
+	--with-pkgversion="EGLIBC from embtoolkit-$(EMBTK_VERSION)"
+	$(call __embtk_setconfigured_pkg,eglibc)
+endef
+
+define __embtk_install_eglibc
+	$(call embtk_pinfo,"Installing eglibc...")
+	$(call embtk_download_pkg,eglibc)
+	touch `find $(EGLIBC_SRC_DIR) -name configure`
+	$(embtk_parse_eglibc_optgroups)
+	$(embtk_configure_eglibc)
+	PATH=$(PATH):$(embtk_tools)/bin/ $(MAKE) -C $(EGLIBC_BUILD_DIR) $(J)	\
+		BUILD_CFLAGS="$(embtk_eglibc_buildcflags)"			\
+		BUILD_LDFLAGS="$(embtk_eglibc_buildldflags)"
+	PATH=$(PATH):$(embtk_tools)/bin/ $(MAKE) -C $(EGLIBC_BUILD_DIR)		\
+		BUILD_CFLAGS="$(embtk_eglibc_buildcflags)"			\
+		BUILD_LDFLAGS="$(embtk_eglibc_buildldflags)"			\
+		install_root=$(embtk_sysroot) install
+	$(call __embtk_setinstalled_pkg,eglibc)
+	$(call __embtk_pkg_gen_dotkconfig_f,eglibc)
+	$(eval __embtk_eglibc_installed := y)
+endef
+
+define embtk_install_eglibc
+	$(if $(call __embtk_pkg_runrecipe-y,eglibc),$(__embtk_install_eglibc))
+endef
+
+#
+# clean targets
+#
+define embtk_cleanup_eglibc
+	rm -rf $(EGLIBC_BUILD_DIR)
+endef
+
+#
+# options groups parsing
+#
+__embtk_get_eglibc_optgroups = grep "CONFIG_KEMBTK_EGLIBC_" $(EMBTK_DOTCONFIG)	\
+	| sed -e 's/CONFIG_KEMBTK_EGLIBC_*//g' | sed -e 's/"//g'
+define embtk_parse_eglibc_optgroups
+	mkdir -p $(EGLIBC_BUILD_DIR)
+	cat $(embtk_eglibc_optgroups_f) > $(eglibc_optgroups_f)
+	echo "###############################" >> $(eglibc_optgroups_f)
+	echo "# From embtk-$(EMBTK_VERSION) #" >> $(eglibc_optgroups_f)
+	echo "###############################" >> $(eglibc_optgroups_f)
+	$(__embtk_get_eglibc_optgroups) >> $(eglibc_optgroups_f)
+endef
diff --git a/core/mk/eglibc/eglibc-2.17-options.mk b/core/mk/eglibc/eglibc-2.17-options.mk
new file mode 120000
index 0000000..5604f57
--- /dev/null
+++ b/core/mk/eglibc/eglibc-2.17-options.mk
@@ -0,0 +1 @@
+eglibc-trunk-options.mk
\ No newline at end of file
diff --git a/core/mk/eglibc/eglibc-trunk-options.mk b/core/mk/eglibc/eglibc-trunk-options.mk
new file mode 100644
index 0000000..9c3c7eb
--- /dev/null
+++ b/core/mk/eglibc/eglibc-trunk-options.mk
@@ -0,0 +1,64 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2013 GAYE Abdoulaye Walsimou.
+#
+# This program is free software; you can distribute it and/or modify it
+# under the terms of the GNU General Public License
+# (Version 2 or later) published by the Free Software Foundation.
+#
+# This program is distributed in the hope it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+################################################################################
+#
+# \file         eglibc-trunk-options.mk
+# \brief	eglibc-trunk-options.mk. Here we define options supported by
+# \brief	eglibc-trunk.
+# \author       GAYE Abdoulaye Walsimou, <walsimou@walsimou.com>
+# \date         August 2009
+################################################################################
+
+OPTION_EGLIBC_ADVANCED_INET6=n
+OPTION_EGLIBC_BACKTRACE=n
+OPTION_EGLIBC_BIG_MACROS=n
+OPTION_EGLIBC_BSD=n
+OPTION_EGLIBC_CXX_TESTS=n
+OPTION_EGLIBC_CATGETS=n
+OPTION_EGLIBC_CHARSETS=n
+OPTION_EGLIBC_CRYPT=n
+OPTION_EGLIBC_CRYPT_UFC=n
+OPTION_EGLIBC_DB_ALIASES=n
+OPTION_EGLIBC_ENVZ=n
+OPTION_EGLIBC_FCVT=n
+OPTION_EGLIBC_FMTMSG=n
+OPTION_EGLIBC_FSTAB=n
+OPTION_EGLIBC_FTRAVERSE=n
+OPTION_EGLIBC_GETLOGIN=n
+OPTION_EGLIBC_IDN=n
+OPTION_EGLIBC_INET=n
+OPTION_EGLIBC_INET_ANL=n
+OPTION_EGLIBC_LIBM=n
+OPTION_EGLIBC_LIBM_BIG=n
+OPTION_EGLIBC_LOCALES=n
+OPTION_EGLIBC_LOCALE_CODE=n
+OPTION_EGLIBC_MEMUSAGE=n
+OPTION_EGLIBC_NIS=n
+OPTION_EGLIBC_NSSWITCH=n
+OPTION_EGLIBC_RCMD=n
+OPTION_EGLIBC_RTLD_DEBUG=n
+OPTION_EGLIBC_SPAWN=n
+OPTION_EGLIBC_STREAMS=n
+OPTION_EGLIBC_SUNRPC=n
+OPTION_EGLIBC_UTMP=n
+OPTION_EGLIBC_UTMPX=n
+OPTION_EGLIBC_WORDEXP=n
+OPTION_POSIX_C_LANG_WIDE_CHAR=n
+OPTION_POSIX_REGEXP=n
+OPTION_POSIX_REGEXP_GLIBC=n
+OPTION_POSIX_WIDE_CHAR_DEVICE_IO=n
+
diff --git a/core/mk/glibc.mk b/core/mk/glibc.mk
new file mode 100644
index 0000000..ad72875
--- /dev/null
+++ b/core/mk/glibc.mk
@@ -0,0 +1,106 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         glibc.mk
+# \brief	glibc.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         December 2013
+################################################################################
+
+GLIBC_NAME			:= glibc
+GLIBC_VERSION			:= $(call embtk_get_pkgversion,glibc)
+GLIBC_SITE			:= http://ftp.gnu.org/gnu/glibc
+GLIBC_GIT_SITE			:= git://sourceware.org/git/glibc.git
+GLIBC_PACKAGE			:= glibc-$(GLIBC_VERSION).tar.xz
+GLIBC_SRC_DIR			:= $(embtk_toolsb)/glibc-$(GLIBC_VERSION)
+GLIBC_BUILD_DIR 		:= $(embtk_toolsb)/glibc-$(GLIBC_VERSION)-build
+
+
+__embtk_glibc_cflags	:= $(filter-out $(__clang_cflags),$(TARGET_CFLAGS))
+__embtk_glibc_cflags	+= $(EMBTK_TARGET_MCPU)
+__embtk_glibc_cflags	+= $(EMBTK_TARGET_ABI) $(EMBTK_TARGET_FLOAT_CFLAGS)
+__embtk_glibc_cflags	+= $(EMBTK_TARGET_MARCH)
+# glibc does not support -O0 optimization
+embtk_glibc_cflags	:= $(subst -O0,-O1,$(__embtk_glibc_cflags))
+
+# Hard or soft floating point in glibc?
+embtk_glibc_floattype := $(if $(CONFIG_EMBTK_SOFTFLOAT),--with-fp=no,--with-fp=yes)
+
+ifeq ($(embtk_buildhost_os_type),bsd)
+embtk_glibc_buildcflags		:= -I/usr/local/include
+embtk_glibc_buildldflags	:= -L/usr/local/lib -lintl
+endif
+
+#
+# glibc install
+#
+
+define embtk_configure_glibc
+	cd $(GLIBC_BUILD_DIR);							\
+	BUILD_CC="$(hostcc_cached)"						\
+	CFLAGS="$(embtk_glibc_cflags)"						\
+	CC=$(TARGETGCC_CACHED)							\
+	CXX=$(TARGETGCXX_CACHED)						\
+	AR=$(TARGETAR)								\
+	RANLIB=$(TARGETRANLIB)							\
+	READELF=$(TARGETREADELF)						\
+	NM=$(TARGETNM)								\
+	OBJCOPY=$(TARGETOBJCOPY)						\
+	OBJDUMP=$(TARGETDUMP)							\
+	$(CONFIG_EMBTK_SHELL) $(GLIBC_SRC_DIR)/configure			\
+	--prefix=/usr --with-headers=$(embtk_sysroot)/usr/include		\
+	--host=$(STRICT_GNU_TARGET)						\
+	--target=$(STRICT_GNU_TARGET)						\
+	--build=$(HOST_BUILD)							\
+	$(embtk_glibc_floattype) --disable-profile --without-gd --without-cvs	\
+	--without-selinux --enable-add-ons --enable-kernel="2.6.27"		\
+	--enable-obsolete-rpc --disable-build-nscd --disable-nscd		\
+	--with-bugurl=$(EMBTK_BUGURL)						\
+	--with-pkgversion="GLIBC from embtoolkit-$(EMBTK_VERSION)"
+	$(call __embtk_setconfigured_pkg,glibc)
+endef
+
+define __embtk_install_glibc
+	$(call embtk_pinfo,"Installing glibc...")
+	$(call embtk_download_pkg,glibc)
+	$(call embtk_decompress_pkg,glibc)
+	mkdir -p $(GLIBC_BUILD_DIR)
+	$(embtk_configure_glibc)
+	PATH=$(PATH):$(embtk_tools)/bin/ $(MAKE) -C $(GLIBC_BUILD_DIR) $(J)	\
+		BUILD_CFLAGS="$(embtk_glibc_buildcflags)"			\
+		BUILD_LDFLAGS="$(embtk_glibc_buildldflags)"
+	PATH=$(PATH):$(embtk_tools)/bin/ $(MAKE) -C $(GLIBC_BUILD_DIR)		\
+		BUILD_CFLAGS="$(embtk_glibc_buildcflags)"			\
+		BUILD_LDFLAGS="$(embtk_glibc_buildldflags)"			\
+		install_root=$(embtk_sysroot) install
+	$(call __embtk_setinstalled_pkg,glibc)
+	$(call __embtk_pkg_gen_dotkconfig_f,glibc)
+	$(eval __embtk_glibc_installed := y)
+endef
+
+define embtk_install_glibc
+	$(if $(call __embtk_pkg_runrecipe-y,glibc),$(__embtk_install_glibc))
+endef
+
+#
+# clean targets
+#
+define embtk_cleanup_glibc
+	rm -rf $(GLIBC_BUILD_DIR)
+endef
diff --git a/core/mk/gmake.mk b/core/mk/gmake.mk
new file mode 100644
index 0000000..2451638
--- /dev/null
+++ b/core/mk/gmake.mk
@@ -0,0 +1,39 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         gmake.mk
+# \brief	gmake.mk of Embtoolkit.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         March 2013
+################################################################################
+
+GMAKE_NAME	:= gmake
+GMAKE_VERSION	:= $(call embtk_get_pkgversion,gmake)
+GMAKE_SITE	:= http://ftp.gnu.org/gnu/make
+GMAKE_PACKAGE	:= make-$(GMAKE_VERSION).tar.bz2
+GMAKE_SRC_DIR	:= $(embtk_toolsb)/make-$(GMAKE_VERSION)
+GMAKE_BUILD_DIR	:= $(embtk_toolsb)/make-$(GMAKE_VERSION)
+
+define embtk_install_gmake
+	$(call __embtk_install_hostpkg,gmake)
+endef
+
+define embtk_postinstallonce_gmake
+	mv $(embtk_htools)/usr/bin/make $(embtk_htools)/usr/bin/gmake
+endef
diff --git a/core/mk/gmp.mk b/core/mk/gmp.mk
new file mode 100644
index 0000000..aa48721
--- /dev/null
+++ b/core/mk/gmp.mk
@@ -0,0 +1,41 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2011 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         gmp.mk
+# \brief	gmp.mk of Embtoolkit for toolchain
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         May 2009
+################################################################################
+
+GMP_HOST_NAME		:= gmp
+GMP_HOST_VERSION	:= $(call embtk_get_pkgversion,gmp_host)
+GMP_HOST_SITE		:= ftp://ftp.gmplib.org/pub/gmp-$(GMP_HOST_VERSION)
+GMP_HOST_PACKAGE	:= gmp-$(GMP_HOST_VERSION).tar.bz2
+GMP_HOST_SRC_DIR	:= $(embtk_toolsb)/gmp-$(GMP_HOST_VERSION)
+GMP_HOST_BUILD_DIR	:= $(embtk_toolsb)/gmp-build
+GMP_HOST_DIR		:= $(embtk_htools)/usr/local/gmp-host
+
+export GMP_HOST_DIR
+
+GMP_HOST_CONFIGURE_OPTS	:= --disable-shared --enable-static
+GMP_HOST_PREFIX		:= $(GMP_HOST_DIR)
+
+define embtk_cleanup_gmp_host
+	rm -rf $(GMP_HOST_BUILD_DIR)
+endef
diff --git a/core/mk/gperf_host.mk b/core/mk/gperf_host.mk
new file mode 100644
index 0000000..f4ab8c9
--- /dev/null
+++ b/core/mk/gperf_host.mk
@@ -0,0 +1,35 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2011-2012 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         gperf_host.mk
+# \brief	gperf_host.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         June 2011
+################################################################################
+
+GPERF_HOST_NAME		:= gperf
+GPERF_HOST_VERSION	:= $(call embtk_get_pkgversion,gperf_host)
+GPERF_HOST_SITE		:= http://ftp.gnu.org/gnu/gperf
+GPERF_HOST_PACKAGE	:= gperf-$(GPERF_HOST_VERSION).tar.gz
+GPERF_HOST_SRC_DIR	:= $(embtk_toolsb)/gperf-$(GPERF_HOST_VERSION)
+GPERF_HOST_BUILD_DIR	:= $(embtk_toolsb)/gperf-$(GPERF_HOST_VERSION)
+
+define embtk_cleanup_gperf_host
+	rm -rf $(GPERF_HOST_BUILD_DIR)
+endef
diff --git a/core/mk/gsed.mk b/core/mk/gsed.mk
new file mode 100644
index 0000000..d028c9a
--- /dev/null
+++ b/core/mk/gsed.mk
@@ -0,0 +1,35 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         gsed.mk
+# \brief	gsed.mk of Embtoolkit.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         March 2013
+################################################################################
+
+GSED_NAME	:= gsed
+GSED_VERSION	:= $(call embtk_get_pkgversion,gsed)
+GSED_SITE	:= http://ftp.gnu.org/gnu/sed
+GSED_PACKAGE	:= sed-$(GSED_VERSION).tar.bz2
+GSED_SRC_DIR	:= $(embtk_toolsb)/sed-$(GSED_VERSION)
+GSED_BUILD_DIR	:= $(embtk_toolsb)/sed-$(GSED_VERSION)
+
+define embtk_install_gsed
+	$(call __embtk_install_hostpkg,gsed)
+endef
diff --git a/core/mk/help.mk b/core/mk/help.mk
new file mode 100644
index 0000000..02ccd6a
--- /dev/null
+++ b/core/mk/help.mk
@@ -0,0 +1,104 @@
+################################################################################
+# EmbToolkit
+# Copyright(C) 2011 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         help.mk
+# \brief	help.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         August 2011
+################################################################################
+
+help:
+	$(call embtk_pinfo,"Embedded systems Toolkit help. Please \
+	visit - http://www.embtoolkit.org - for more details")
+	@echo " ~~~~~~~~~~~~~~~~~~~~~~~~~~~ "
+	@echo "| Building and configuring: |"
+	@echo " ~~~~~~~~~~~~~~~~~~~~~~~~~~~ "
+	@echo "make xconfig:    Show EmbToolkit configure GUI and let you to"
+	@echo "                 configure your toolchain and your root"
+	@echo "                 filesystem (if selected)."
+	@echo
+	@echo "make menuconfig: Same as xconfig but using this time ncurse GUI."
+	@echo
+	@echo "make olddefconfig: Update silently current config utilising a"
+	@echo "                 provided .config as base, and sets new"
+	@echo "                 symbols to their default value."
+	@echo
+	@echo "make:            Start building your toolchain and your root"
+	@echo "                 filesystem (if selected) or start xconfig if"
+	@echo "                 you did not configure before."
+	@echo
+	@echo " ~~~~~~~~~~~ "
+	@echo "| Cleaning: |"
+	@echo " ~~~~~~~~~~~ "
+	@echo "make clean:      Remove all built files, but keep downloaded"
+	@echo "                 packages."
+	@echo
+	@echo "make distclean:  WARNING: like clean, but remove all downloaded"
+	@echo "                 packages and .config.old files."
+	@echo
+	@echo " ~~~~~~~~~~~~~~~~~ "
+	@echo "| Root filesystem |"
+	@echo " ~~~~~~~~~~~~~~~~~ "
+	@echo "make rootfs_build:"
+	@echo "                 if after a first build of your toolchain and"
+	@echo "                 your root filesystem, you change the contents"
+	@echo "                 of the root filesystem, use this target to"
+	@echo "                 rebuild it."
+	@echo
+	@echo " ~~~~~~~~~~~~~~~ "
+	@echo "| miscellaneous |"
+	@echo " ~~~~~~~~~~~~~~~ "
+	@echo "make packages_fetch:"
+	@echo "                 This will download all needed packages tarball."
+	@echo "                 This should be used after configuration and if"
+	@echo "                 you want to do an offline build."
+	@echo
+
+# Successful build of EmbToolkit message
+successful_build:
+	$(call embtk_echo_blue," ~~~~~~~~~~~~~~~~~~~~~ ")
+	$(call embtk_echo_blue,"| Toolchain build log |")
+	$(call embtk_echo_blue," ~~~~~~~~~~~~~~~~~~~~~ ")
+	$(call embtk_echo_blue,"$(GNU_TARGET) ($(EMBTK_MCU_FLAG)) toolchain successfully generated.")
+	$(call embtk_echo_blue,"Generated tools (compilers, Binutils, etc.) are in:")
+	$(call embtk_echo_blue,"    $(embtk_tools)/bin")
+	$(call embtk_echo_blue,"The packaged toolchain (for external use) is in:")
+	$(call embtk_echo_blue,"    $(embtk_generated)")
+	@echo
+	$(call embtk_echo_blue," ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ")
+	$(call embtk_echo_blue,"| Root file system build log |")
+	$(call embtk_echo_blue," ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ")
+ifeq ($(CONFIG_EMBTK_HAVE_ROOTFS),y)
+	$(call embtk_echo_blue,"Generated root filesystems are located in the")
+	$(call embtk_echo_blue,"'generated' sub-directory of EmbToolkit.")
+else
+	$(call embtk_echo_green,"Build of root filesystem not selected.")
+endif
+	@echo
+	$(call embtk_echo_blue," ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ")
+	$(call embtk_echo_blue,"| Embedded systems Toolkit   |")
+	$(call embtk_echo_blue," ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ")
+	$(call embtk_echo_blue,"We hope that EmbToolkit will be useful for your project !!!")
+	$(call embtk_echo_blue,"We will be happy to know it at embtk-users@embtoolkit.org")
+	$(call embtk_echo_blue,"Please report any bugs/suggestion at:")
+	$(call embtk_echo_blue,"   $(EMBTK_BUGURL)")
+	$(call embtk_echo_blue,"You can also visit the wiki at:")
+	$(call embtk_echo_blue,"   http://www.embtoolkit.org")
+	@echo
+	$(call embtk_echo_blue,$(__embtk_msg_h))
diff --git a/core/mk/libtool.mk b/core/mk/libtool.mk
new file mode 100644
index 0000000..cdcd29e
--- /dev/null
+++ b/core/mk/libtool.mk
@@ -0,0 +1,41 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2010-2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         libtool.mk
+# \brief	libtool.mk of Embtoolkit.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         March 2010
+################################################################################
+
+LIBTOOL_NAME		:= libtool
+LIBTOOL_VERSION		:= $(call embtk_get_pkgversion,libtool)
+LIBTOOL_SITE		:= http://ftp.gnu.org/gnu/libtool
+LIBTOOL_PACKAGE		:= libtool-$(LIBTOOL_VERSION).tar.gz
+LIBTOOL_SRC_DIR		:= $(embtk_toolsb)/libtool-$(LIBTOOL_VERSION)
+LIBTOOL_BUILD_DIR	:= $(embtk_toolsb)/libtool-$(LIBTOOL_VERSION)
+
+LIBTOOL			:= $(embtk_htools)/usr/bin/libtool
+LIBTOOLIZE		:= $(embtk_htools)/usr/bin/libtoolize
+export LIBTOOL LIBTOOLIZE
+
+LIBTOOL_CONFIGURE_OPTS := --disable-ltdl-install
+
+define embtk_install_libtool
+	$(call __embtk_install_hostpkg,libtool)
+endef
diff --git a/core/mk/linux.mk b/core/mk/linux.mk
new file mode 100644
index 0000000..b9a08ff
--- /dev/null
+++ b/core/mk/linux.mk
@@ -0,0 +1,138 @@
+#################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         linux.mk
+# \brief	linux.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         May 2009
+################################################################################
+
+__LINUX_SITE_BASE	= http://ftp.kernel.org/pub/linux/kernel
+__LINUX_SITE_LONGTERM	= $(strip $(if $(LINUX_LONGTERMV),			\
+					/longterm/$(LINUX_LONGTERMV)))
+__LINUX_SITE		= $(strip $(if $(CONFIG_EMBTK_LINUX_HAVE_MIRROR),	\
+	$(patsubst '"',,$(strip $(CONFIG_EMBTK_LINUX_HAVE_MIRROR_SITE))),	\
+	$(__LINUX_SITE_BASE)/$(LINUX_MAJORV)$(__LINUX_SITE_LONGTERM)))
+
+LINUX_NAME		:= linux
+LINUX_MAJORV		:= $(call embtk_get_pkgversion,linux_major)
+LINUX_LONGTERMV		:= $(call embtk_get_pkgversion,linux_longterm)
+LINUX_VERSION		:= $(call embtk_get_pkgversion,linux)
+LINUX_SITE		:= $(call __LINUX_SITE)
+LINUX_PACKAGE		:= linux-$(LINUX_VERSION).tar.xz
+LINUX_SRC_DIR		:= $(embtk_toolsb)/linux-$(LINUX_VERSION)
+LINUX_BUILD_DIR		:= $(embtk_toolsb)/linux-$(LINUX_VERSION)
+LINUX_KEEP_SRC_DIR	:= $(CONFIG_EMBTK_BUILD_LINUX_KERNEL)
+
+LINUX_HEADERS_NAME	:= linux_headers
+LINUX_HEADERS_VERSION	:= $(LINUX_VERSION)
+LINUX_HEADERS_SITE	:= $(LINUX_SITE)
+LINUX_HEADERS_PACKAGE	:= $(LINUX_PACKAGE)
+LINUX_HEADERS_SRC_DIR	:= $(LINUX_SRC_DIR)
+LINUX_HEADERS_BUILD_DIR	:= $(LINUX_BUILD_DIR)
+LINUX_HEADERS_KCONFIGS_NAME	:= LINUX
+LINUX_HEADERS_KEEP_SRC_DIR	:= $(CONFIG_EMBTK_BUILD_LINUX_KERNEL)
+
+LINUX_MAKE_OPTS	:= quiet=quiet_
+LINUX_MAKE_OPTS	+= ARCH=$(LINUX_ARCH)
+LINUX_MAKE_OPTS	+= CROSS_COMPILE=$(CROSS_COMPILE_CACHED)
+LINUX_MAKE_OPTS	+= HOSTCC="$(HOSTCC)" HOSTCXX="$(HOSTCXX)"
+
+define __embtk_install_linux_headers
+	$(call embtk_pinfo,"Installing linux-$(LINUX_VERSION) headers...")
+	$(call embtk_download_pkg,linux)
+	$(call embtk_decompress_pkg,linux)
+	$(MAKE) -C $(LINUX_BUILD_DIR) $(LINUX_MAKE_OPTS)			\
+		INSTALL_HDR_PATH=$(embtk_sysroot)/usr headers_install
+	$(call __embtk_setinstalled_pkg,linux_headers)
+	$(call __embtk_pkg_gen_dotkconfig_f,linux_headers)
+	$(eval __embtk_linux_headers_installed := y)
+endef
+define embtk_install_linux_headers
+	$(if $(call __embtk_pkg_runrecipe-y,linux_headers),$(__embtk_install_linux_headers))
+endef
+
+#
+# linux install macros
+#
+
+__embtk_linux_dotconfig_f	:= $(call __embtk_mk_uquote,$(CONFIG_EMBTK_LINUX_DOTCONFIG))
+__embtk_linux_srcdir		:= $(call __embtk_mk_uquote,$(or $(CONFIG_EMBTK_LINUX_BUILD_EXTSRC),$(LINUX_SRC_DIR)))
+__embtk_linux_support_modules	:= $(shell grep MODULES=y "$(__embtk_linux_dotconfig_f)" 2>/dev/null)
+
+define __embtk_install_linux_check_config
+	if [ "x" = "x$(__embtk_linux_dotconfig_f)" ]; then			\
+	$(call embtk_perror,"Unable to build linux kernel image: no config file");\
+	exit 1;									\
+	fi
+	if [ ! -e $(__embtk_linux_dotconfig_f) ]; then				\
+	$(call embtk_perror,"Unable to build linux kernel image: config file $(__embtk_linux_dotconfig_f) not found");\
+	exit 1;									\
+	fi
+endef
+
+define __embtk_install_linux_check_extsrc
+	if [ "x" = "x$(__embtk_linux_srcdir)" ]; then				\
+	$(call embtk_perror,"Unable to build linux kernel image: External source tree not specified");\
+	exit 1;									\
+	fi
+	if [ ! -d $(__embtk_linux_srcdir) ]; then				\
+	$(call embtk_perror,"Unable to build linux kernel image: External source tree $(__embtk_linux_srcdir) not found");\
+	exit 1;									\
+	fi
+endef
+
+define __embtk_install_linux
+	$(call embtk_pinfo,"Generating linux kernel image...")
+	$(__embtk_install_linux_check_config)
+	$(if $(CONFIG_EMBTK_LINUX_BUILD_USE_EXTSRC),
+		$(__embtk_install_linux_check_extsrc))
+	$(if $(CONFIG_EMBTK_LINUX_BUILD_TOOLCHAIN_SRC),
+		$(call embtk_download_pkg,linux)
+		$(call embtk_decompress_pkg,linux))
+	$(MAKE) -C $(__embtk_linux_srcdir) $(LINUX_MAKE_OPTS) distclean
+	cp $(CONFIG_EMBTK_LINUX_DOTCONFIG) $(__embtk_linux_srcdir)/.config
+	$(MAKE) -C $(__embtk_linux_srcdir) $(LINUX_MAKE_OPTS) silentoldconfig
+	$(MAKE) -C $(__embtk_linux_srcdir) $(LINUX_MAKE_OPTS) $(J)
+	$(call __embtk_setinstalled_pkg,linux)
+	$(call __embtk_pkg_gen_dotkconfig_f,linux)
+	$(eval __embtk_linux_installed := y)
+endef
+
+define embtk_install_linux
+	$(if $(call __embtk_pkg_runrecipe-y,linux),$(__embtk_install_linux))
+	$(if $(__embtk_linux_support_modules),$(embtk_postinstall_linux))
+endef
+
+define embtk_postinstall_linux
+	$(call embtk_pinfo,"Install linux kernel modules...")
+	$(MAKE) -C $(__embtk_linux_srcdir) $(LINUX_MAKE_OPTS)			\
+		INSTALL_MOD_PATH=$(embtk_rootfs) modules_install
+endef
+
+#
+# clean target and macros
+#
+define embtk_cleanup_linux
+	[ -d $(LINUX_BUILD_DIR) ] && $(call __embtk_unsetinstalled_pkg,linux) ||:
+endef
+
+define embtk_cleanup_linux_headers
+	[ -d $(LINUX_BUILD_DIR) ] && $(call __embtk_unsetinstalled_pkg,linux_headers) ||:
+endef
diff --git a/core/mk/m4.mk b/core/mk/m4.mk
new file mode 100644
index 0000000..890b269
--- /dev/null
+++ b/core/mk/m4.mk
@@ -0,0 +1,42 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2010-2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         m4.mk
+# \brief	m4.mk of Embtoolkit.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         February 2010
+################################################################################
+
+M4_NAME		:= m4
+M4_VERSION	:= $(call embtk_get_pkgversion,m4)
+M4_SITE		:= http://ftp.gnu.org/gnu/m4
+M4_SITE_MIRROR3	:= ftp://ftp.embtoolkit.org/embtoolkit.org/packages-mirror
+M4_PACKAGE	:= m4-$(M4_VERSION).tar.bz2
+M4_SRC_DIR	:= $(embtk_toolsb)/m4-$(M4_VERSION)
+M4_BUILD_DIR	:= $(embtk_toolsb)/m4-$(M4_VERSION)
+
+# m4 binaries
+M4_DIR	:= $(embtk_htools)/usr
+M4_BIN	:= $(M4_DIR)/bin/m4
+M4	:= $(M4_BIN)
+export M4
+
+define embtk_install_m4
+	$(call __embtk_install_hostpkg,m4)
+endef
diff --git a/core/mk/macros.mk b/core/mk/macros.mk
new file mode 100644
index 0000000..f0e44cf
--- /dev/null
+++ b/core/mk/macros.mk
@@ -0,0 +1,132 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         macros.mk
+# \brief	macros.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         May 2009
+################################################################################
+
+# Embtoolkit colors
+__embtk_color_red	= "\033[1;31m"
+__embtk_color_green	= "\033[1;32m"
+__embtk_color_yellow	= "\033[0;33m"
+__embtk_color_blue	= "\033[1;34m"
+__embtk_no_color	= "\033[0m"
+
+#
+# echo colored text
+# usage: $(call embtk_echo_{color},msg)
+#
+embtk_echo_red		= printf $(__embtk_color_red)$(1)$(__embtk_no_color)"\n"
+embtk_echo_green	= printf $(__embtk_color_green)$(1)$(__embtk_no_color)"\n"
+embtk_echo_yellow	= printf $(__embtk_color_yellow)$(1)$(__embtk_no_color)"\n"
+embtk_echo_blue		= printf $(__embtk_color_blue)$(1)$(__embtk_no_color)"\n"
+
+__embtk_msg_h = "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
+
+#
+# __embtk_streq:
+# A macro for two strings comparison. It returns y if the strings are identical
+# and nothing if not.
+# Note: This macro strips passed parameters
+# Usage:
+# $(call __embtk_streq,str1,str2)
+#
+__embtk_streq = $(if $(subst $(1),,$(2))$(subst $(2),,$(1)),,y)
+
+#
+# __embtk_strneq:
+# A macro for two strings comparison. It returns y if the strings are different
+# and nothing if they are the same.
+# Note: This macro strips passed parameters
+# Usage:
+# $(call __embtk_strneq,str1,str2)
+#
+__embtk_strneq = $(if $(subst $(1),,$(2))$(subst $(2),,$(1)),y)
+
+#
+# __embtk_mk_pathexist
+# A macro to test if a path exists. It returns y if the path exists and nothing
+# if not.
+# Usage: $(call __embtk_mk_pathexist,/path/to/test)
+#
+__embtk_mk_pathexist = $(shell test -e $(1) && echo y)
+
+#
+# __embtk_mk_pathnotexist
+# A macro to test if a path does not exist. It returns y if the path does not
+# exist and nothing if it exists.
+# Usage: $(call __embtk_mk_pathnotexist,/path/to/test)
+#
+__embtk_mk_pathnotexist = $(shell test -e $(1) || echo y)
+
+#
+# __embtk_mk_uquote
+# A macro to unquote a string.
+# Usage: $(call __embtk_mk_uquote,$(myquotedvar))
+#
+__embtk_mk_uquote = $(subst ",,$(strip $(1)))
+
+# Macro to print messages
+embtk_pwarning	= $(call embtk_echo_yellow,"$(__embtk_msg_h)\\n~~ EmbToolkit ~~ WARNING: $(call __embtk_mk_uquote,$(1))\\n$(__embtk_msg_h)")
+embtk_perror	= $(call embtk_echo_red,"$(__embtk_msg_h)\\n~~ EmbToolkit ~~ ERROR: $(call __embtk_mk_uquote,$(1))\\n$(__embtk_msg_h)")
+embtk_pinfo	= $(call embtk_echo_blue,"$(__embtk_msg_h)\\n~~ EmbToolkit ~~ $(call __embtk_mk_uquote,$(1))\\n$(__embtk_msg_h)")
+embtk_pdone	= $(call embtk_echo_blue,"[✔] Done  : $(call __embtk_mk_uquote,$(1))")
+embtk_pfailed	= $(call embtk_echo_red,"[✘] Failed: $(call __embtk_mk_uquote,$(1))")
+
+# Macros for emmpty, space and comma
+embtk_empty	:=
+embtk_space	:= $(embtk_empty) $(embtk_empty)
+embtk_comma	:= ,
+
+#
+# Macros to change strings case (upper->lower or lower to upper)
+#
+[U-l]           := A,a B,b C,c D,d E,e F,f G,g H,h I,i J,j K,k L,l M,m N,n O,o P,p Q,q R,r S,s T,t U,u V,v W,w X,x Y,y Z,z
+[l-U]           := a,A b,B c,C d,D e,E f,F g,G h,H i,I j,J k,K l,L m,M n,N o,O p,P q,Q r,R s,S t,T u,U v,V w,W x,X y,Y z,Z
+
+embtk_lcase	= $(strip $(call __embtk_lcase,$(1)))
+define __embtk_lcase
+	$(eval __lcase := $(1))
+	$(foreach __c,$([U-l]),
+		$(eval __c1	:= $(word 1,$(subst $(embtk_comma),$(embtk_space),$(__c))))
+		$(eval __c2	:= $(word 2,$(subst $(embtk_comma),$(embtk_space),$(__c))))
+		$(eval __lcase	:= $(subst $(__c1),$(__c2),$(__lcase))))$(__lcase)
+endef
+
+embtk_ucase	= $(strip $(call __embtk_ucase,$(1)))
+define __embtk_ucase
+	$(eval __ucase := $(1))
+	$(foreach __c,$([l-U]),
+		$(eval __c1	:= $(word 1,$(subst $(embtk_comma),$(embtk_space),$(__c))))
+		$(eval __c2	:= $(word 2,$(subst $(embtk_comma),$(embtk_space),$(__c))))
+		$(eval __ucase	:= $(subst $(__c1),$(__c2),$(__ucase))))$(__ucase)
+endef
+
+#
+# Packages management macros
+include core/mk/pkg-macros/vars.mk
+include core/mk/pkg-macros/incl.mk
+include core/mk/pkg-macros/pkg-config.mk
+include core/mk/pkg-macros/libtool.mk
+include core/mk/pkg-macros/download.mk
+include core/mk/pkg-macros/configure.mk
+include core/mk/pkg-macros/install.mk
+include core/mk/pkg-macros/clean.mk
diff --git a/core/mk/makedevs.mk b/core/mk/makedevs.mk
new file mode 100644
index 0000000..ebee7ad
--- /dev/null
+++ b/core/mk/makedevs.mk
@@ -0,0 +1,49 @@
+#########################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software; you can distribute it and/or modify it
+# under the terms of the GNU General Public License
+# (Version 2 or later) published by the Free Software Foundation.
+#
+# This program is distributed in the hope it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+#########################################################################################
+#
+# \file         makedevs.mk
+# \brief	makedevs.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         May 2009
+#########################################################################################
+
+MAKEDEVS_NAME		:= makedevs
+MAKEDEVS_BUILD_DIR	:= $(embtk_toolsb)/makedevs-build
+MAKEDEVS_SRC		:= $(EMBTK_ROOT)/src/makedevs
+
+MAKEDEVS_DIR		:= $(embtk_htools)/usr/bin
+MAKEDEVS_BIN		:= $(MAKEDEVS_DIR)/makedevs
+
+define embtk_install_makedevs
+	$(MAKE) makedevs_install
+endef
+
+makedevs_install:
+	[ -e $(MAKEDEVS_BUILD_DIR)/.makedevs.embtk.installed ] || 		\
+			$(MAKE) $(MAKEDEVS_BUILD_DIR)/.makedevs.embtk.installed
+
+$(MAKEDEVS_BUILD_DIR)/.makedevs.embtk.installed:
+	$(call embtk_pinfo,"Installing makedevs...")
+	$(Q)mkdir -p $(MAKEDEVS_BUILD_DIR)
+	$(Q)mkdir -p $(embtk_htools)/usr
+	$(Q)mkdir -p $(embtk_htools)/usr/bin
+	$(hostcc_cached) -o $(MAKEDEVS_BIN) $(wildcard $(MAKEDEVS_SRC)/*.c)
+	$(Q)touch $@
+
+download_makedevs:
+	$(call embtk_pinfo,"makedevs is in embtk source, download not needed...")
diff --git a/core/mk/mkimage.mk b/core/mk/mkimage.mk
new file mode 100644
index 0000000..a83e42e
--- /dev/null
+++ b/core/mk/mkimage.mk
@@ -0,0 +1,50 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2010-2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         mkimage.mk
+# \brief	mkimage.mk of Embtoolkit. u-boot makimage tool, needed to create
+# \brief	uImage.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         August 2010
+################################################################################
+
+MAKEIMAGE_VERSION	:= 0.4
+MAKEIMAGE_SITE		:= http://ftp.debian.org/debian/pool/main/u/uboot-mkimage
+MAKEIMAGE_PACKAGE	:= mkimage-$(MAKEIMAGE_VERSION)-nosource-need.tar.bz2
+MAKEIMAGE_BUILD_DIR	:= $(embtk_toolsb)/mkimage
+MAKEIMAGE_BIN		:= $(embtk_htools)/usr/bin/mkimage
+export MAKEIMAGE_BIN
+
+define embtk_install_mkimage
+	$(MAKE) mkimage_install
+endef
+
+mkimage_install:
+	test -e $(MAKEIMAGE_BUILD_DIR)/.installed || \
+	$(MAKE) $(MAKEIMAGE_BUILD_DIR)/.installed
+
+$(MAKEIMAGE_BUILD_DIR)/.installed: zlib_host_install
+	$(Q)cp -R $(EMBTK_ROOT)/src/mkimage $(embtk_toolsb)/
+	$(Q)$(MAKE) -C $(MAKEIMAGE_BUILD_DIR) \
+			CPPFLAGS="-I$(embtk_htools)/usr/include"
+	$(Q)$(MAKE) -C $(MAKEIMAGE_BUILD_DIR) \
+			DESTDIR=$(embtk_htools) install
+	@touch $@
+
+download_mkimage:
diff --git a/core/mk/mpc.mk b/core/mk/mpc.mk
new file mode 100644
index 0000000..8f465ba
--- /dev/null
+++ b/core/mk/mpc.mk
@@ -0,0 +1,43 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2012 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         mpc.mk
+# \brief	mpch.mk of Embtoolkit for toolchain
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         Jan 2010
+################################################################################
+
+MPC_HOST_NAME		:= mpc
+MPC_HOST_VERSION	:= $(call embtk_get_pkgversion,mpc_host)
+MPC_HOST_SITE		:= http://www.multiprecision.org/mpc/download
+MPC_HOST_PACKAGE	:= mpc-$(MPC_HOST_VERSION).tar.gz
+MPC_HOST_SRC_DIR	:= $(embtk_toolsb)/mpc-$(MPC_HOST_VERSION)
+MPC_HOST_BUILD_DIR	:= $(embtk_toolsb)/mpc-build
+MPC_HOST_DIR		:= $(embtk_htools)/usr/local/mpc-host
+
+export MPC_HOST_DIR
+
+MPC_HOST_CONFIGURE_OPTS	:= --disable-shared --enable-static	\
+				--with-gmp=$(GMP_HOST_DIR)	\
+				--with-mpfr=$(MPFR_HOST_DIR)
+MPC_HOST_PREFIX		:= $(MPC_HOST_DIR)
+
+define embtk_cleanup_mpc_host
+	rm -rf $(MPC_HOST_BUILD_DIR)
+endef
diff --git a/core/mk/mpfr.mk b/core/mk/mpfr.mk
new file mode 100644
index 0000000..fc242f6
--- /dev/null
+++ b/core/mk/mpfr.mk
@@ -0,0 +1,42 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2012 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         mpfr.mk
+# \brief	mpfr.mk of Embtoolkit for toolchain
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         May 2009
+################################################################################
+
+MPFR_HOST_NAME		:= mpfr
+MPFR_HOST_VERSION	:= $(call embtk_get_pkgversion,mpfr_host)
+MPFR_HOST_SITE		:= http://www.mpfr.org/mpfr-$(MPFR_HOST_VERSION)
+MPFR_HOST_PACKAGE	:= mpfr-$(MPFR_HOST_VERSION).tar.bz2
+MPFR_HOST_SRC_DIR	:= $(embtk_toolsb)/mpfr-$(MPFR_HOST_VERSION)
+MPFR_HOST_BUILD_DIR	:= $(embtk_toolsb)/mpfr-build
+MPFR_HOST_DIR		:= $(embtk_htools)/usr/local/mpfr-host
+
+export MPFR_HOST_DIR
+
+MPFR_HOST_CONFIGURE_OPTS	:= --disable-shared --enable-static
+MPFR_HOST_CONFIGURE_OPTS	+= --with-gmp=$(GMP_HOST_DIR)
+MPFR_HOST_PREFIX		:= $(MPFR_HOST_DIR)
+
+define embtk_cleanup_mpfr_host
+	rm -rf $(MPFR_HOST_BUILD_DIR)
+endef
diff --git a/core/mk/musl.mk b/core/mk/musl.mk
new file mode 100644
index 0000000..e2f1377
--- /dev/null
+++ b/core/mk/musl.mk
@@ -0,0 +1,78 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2012-2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         musl.mk
+# \brief	musl.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         October 2012
+################################################################################
+
+MUSL_NAME		:= musl
+MUSL_VERSION		:= $(call embtk_get_pkgversion,musl)
+MUSL_SITE		:= http://www.musl-libc.org/releases
+MUSL_GIT_SITE		:= git://git.musl-libc.org/musl
+MUSL_PACKAGE		:= musl-$(MUSL_VERSION).tar.gz
+MUSL_SRC_DIR		:= $(embtk_toolsb)/musl-$(MUSL_VERSION)
+MUSL_BUILD_DIR		:= $(call __embtk_pkg_srcdir,musl)
+
+__embtk_musl_v	:= "$(MUSL_VERSION) From EmbToolkit v$(EMBTK_VERSION) -"
+__embtk_musl_v	+= "Compiled on $(embtk_host_uname)"
+
+define embtk_beforeinstall_musl
+	cd $(MUSL_SRC_DIR);							\
+		CC=$(TARGETCC_CACHED)						\
+		CROSS_COMPILE="$(CROSS_COMPILE)"				\
+		CFLAGS="$(TARGET_CFLAGS)"					\
+		$(CONFIG_SHELL) $(MUSL_SRC_DIR)/configure			\
+		--target=$(LINUX_ARCH) --host=$(LINUX_ARCH)			\
+		--disable-gcc-wrapper --prefix=/				\
+		--syslibdir=/$(LIBDIR) --libdir=/$(LIBDIR) 			\
+		--includedir=/usr/include
+		echo "$(__embtk_musl_v)" > $(MUSL_SRC_DIR)/VERSION
+	$(call __embtk_setconfigured_pkg,musl)
+endef
+
+define __embtk_install_musl
+	$(call embtk_pinfo,"Build and install musl-$(MUSL_VERSION) ...")
+	$(call embtk_download_pkg,musl)
+	$(call embtk_decompress_pkg,musl)
+	$(Q)$(MAKE) -C $(MUSL_BUILD_DIR) distclean
+	$(embtk_beforeinstall_musl)
+	$(Q)$(MAKE) -C $(MUSL_BUILD_DIR)					\
+		DESTDIR=$(embtk_sysroot) install-libs install-headers
+	cd $(embtk_sysroot)/$(LIBDIR);						\
+		ln -sf libc.so $(embtk_musl_dlinker).so.1;			\
+		ln -sf $(embtk_musl_dlinker).so.1 ld-musl.so.1
+	$(call __embtk_setinstalled_pkg,musl)
+	$(call __embtk_pkg_gen_dotkconfig_f,musl)
+	$(eval __embtk_musl_installed := y)
+endef
+
+define embtk_install_musl
+	$(if $(call __embtk_pkg_runrecipe-y,musl),$(__embtk_install_musl))
+endef
+
+define embtk_cleanup_musl
+	if [ -d $(MUSL_BUILD_DIR) ]; then					\
+		$(MAKE) -C $(MUSL_BUILD_DIR) distclean;				\
+		$(call __embtk_unsetconfigured_pkg,musl);			\
+		$(call __embtk_unsetinstalled_pkg,musl);			\
+		$(call __embtk_unsetkconfigured_pkg,musl);			\
+	fi
+endef
diff --git a/core/mk/packages.mk b/core/mk/packages.mk
new file mode 100644
index 0000000..9268d30
--- /dev/null
+++ b/core/mk/packages.mk
@@ -0,0 +1,123 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         packages.kconfig
+# \brief	packages.kconfig of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         May 2009
+################################################################################
+
+ROOTFS_COMPONENTS-y		:=
+HOSTTOOLS_COMPONENTS-y		:= mkimage_install
+#
+# Common include for target and host
+#
+
+# gperf
+include core/mk/gperf_host.mk
+HOSTTOOLS_COMPONENTS-$(CONFIG_EMBTK_HOST_HAVE_GPERF) += gperf_host_install
+
+# libelf
+include packages/misc/libelf/libelf.mk
+ROOTFS_COMPONENTS-$(CONFIG_EMBTK_HAVE_LIBELF) += libelf_install
+HOSTTOOLS_COMPONENTS-$(CONFIG_EMBTK_HOST_HAVE_LIBELF) += libelf_host_install
+
+include core/mk/makedevs.mk
+include core/mk/mkimage.mk
+include core/mk/squashfs.mk
+
+# Install various tools in case of FreeBSD host development machine
+ifeq ($(embtk_buildhost_os_type),bsd)
+HOSTTOOLS_COMPONENTS-y += gsed_install gmake_install
+endif
+
+
+#
+# Packages for TARGET and HOST
+#
+
+# Flash manipulation tools: mtd-utils
+ROOTFS_COMPONENTS-$(CONFIG_EMBTK_HAVE_MTDUTILS) += mtdutils_install
+
+# Compression packages
+include packages/compression/compression.mk
+
+# Database packages/libraries
+include packages/database/database.mk
+
+# Development libraries/packages
+include packages/development/development.mk
+
+# Graphics packages
+include packages/graphics/graphics.mk
+
+# Networking packages
+include packages/net/net.mk
+
+# Scripting languages
+include packages/scripting-languages/scripting-languages.mk
+
+# Security packages
+include packages/security/security.mk
+
+# System packages
+include packages/system/system.mk
+
+# X window system packages
+include packages/x11/x11.mk
+
+# Miscellaneous packages
+include packages/misc/misc.mk
+
+# Busybox
+ROOTFS_COMPONENTS-$(CONFIG_EMBTK_HAVE_BB) += bb_install
+include packages/busybox/busybox.mk
+
+#
+# Targets for host machine
+#
+define __embtk_hostpkgs_build
+	$(if $(HOSTTOOLS_COMPONENTS-y),$(MAKE) $(HOSTTOOLS_COMPONENTS-y),true)
+endef
+host_packages_build:
+	$(Q)$(__embtk_hostpkgs_build)
+
+#
+# Generic implicit rules
+#
+
+# This install implicit rule is intended for autotool'ed packages, or packages
+# defininng an embtk_install_{pkgname} macro.
+%_install:
+	$(call embtk_install_xpkg,$*)
+
+# Download generic implicit rule
+download_% %_download:
+	$(call embtk_download_pkg,$*)
+
+# Decompress generic implicit rule
+%_decompress:
+	$(call embtk_decompress_pkg,$*)
+
+# clean generic implicit rule
+%_clean:
+	$(call embtk_cleanup_pkg,$*)
+
+# Download target for offline build
+packages_fetch:: $(patsubst %_install,download_%,$(ROOTFS_COMPONENTS-y) $(HOSTTOOLS_COMPONENTS-y))
diff --git a/core/mk/pkg-macros/clean.mk b/core/mk/pkg-macros/clean.mk
new file mode 100644
index 0000000..b9b76a5
--- /dev/null
+++ b/core/mk/pkg-macros/clean.mk
@@ -0,0 +1,63 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         clean.mk
+# \brief	clean.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         January 2014
+################################################################################
+
+
+#
+# A macro to clean installed packages from sysroot.
+# Usage:
+# $(call embtk_cleanup_pkg,pkgname)
+#
+define __embtk_cleanup_pkg
+	$(eval __embtk_$(pkgv)_installed =)
+	$(if $(embtk_cleanup_$(pkgv)),$(embtk_cleanup_$(pkgv)))
+	$(if $(__embtk_pkg_etc),
+		rm -rf $(addprefix $(embtk_sysroot)/etc/,$(__embtk_pkg_etc)))
+	$(if $(__embtk_pkg_bins),
+		rm -rf $(addprefix $(embtk_sysroot)/usr/bin/,$(__embtk_pkg_bins)))
+	$(if $(__embtk_pkg_sbins),
+		rm -rf $(addprefix $(embtk_sysroot)/usr/sbin/,$(__embtk_pkg_sbins)))
+	$(if $(__embtk_pkg_includes),
+		rm -rf $(addprefix $(embtk_sysroot)/usr/include/,$(__embtk_pkg_includes)))
+	$(if $(__embtk_pkg_libs),
+		rm -rf $(addprefix $(embtk_sysroot)/usr/$(LIBDIR)/,$(__embtk_pkg_libs)))
+	$(if $(__embtk_pkg_libexecs),
+		rm -rf $(addprefix $(embtk_sysroot)/usr/libexec/,$(__embtk_pkg_libexecs)))
+	$(if $(__embtk_pkg_pkgconfigs),
+		rm -rf $(addprefix $(embtk_sysroot)/usr/$(LIBDIR)/pkgconfig/,$(__embtk_pkg_pkgconfigs))
+		rm -rf $(addprefix $(embtk_sysroot)/usr/share/pkgconfig/,$(__embtk_pkg_pkgconfigs)))
+	$(if $(__embtk_pkg_shares),
+		rm -rf $(addprefix $(embtk_sysroot)/usr/share/,$(__embtk_pkg_shares)))
+	$(if $(__embtk_pkg_usegit)$(__embtk_pkg_usesvn),
+		$(call __embtk_unsetconfigured_pkg,$(1))
+		$(call __embtk_unsetinstalled_pkg,$(1)),
+		$(if $(__embtk_pkg_builddir),rm -rf $(__embtk_pkg_builddir)*))
+	$(if $(__embtk_pkg_statedir),rm -rf $(__embtk_pkg_statedir))
+endef
+
+define embtk_cleanup_pkg
+	$(if $(EMBTK_BUILDSYS_DEBUG),
+		$(call embtk_pinfo,"Cleanup $(__embtk_pkg_name)..."))
+	$(Q)$(call __embtk_cleanup_pkg,$(1))
+endef
diff --git a/core/mk/pkg-macros/configure.mk b/core/mk/pkg-macros/configure.mk
new file mode 100644
index 0000000..b6f095b
--- /dev/null
+++ b/core/mk/pkg-macros/configure.mk
@@ -0,0 +1,142 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         configure.mk
+# \brief	configure.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         January 2014
+################################################################################
+
+#
+# embtk_fixgconfigsfor_pkg
+#
+__embtk_gconfigsub	:= $(EMBTK_ROOT)/scripts/config.sub
+__embtk_gconfiguess	:= $(EMBTK_ROOT)/scripts/config.guess
+define __embtk_fixgconfigsfor_pkg
+	subs="$$(find $(__embtk_pkg_srcdir)/ -type f -name config.sub)";	\
+	for sub in $$subs; do							\
+		if [ -n $$sub -a -e $$sub ]; then				\
+			ln -sf $(__embtk_gconfigsub) $$sub;			\
+		fi;								\
+	done;									\
+	guesses="$$(find $(__embtk_pkg_srcdir)/ -type f -name config.guess)"; 	\
+	for guess in $$guesses; do						\
+		if [ -n $$guess -a -e $$guess ]; then				\
+			ln -sf $(__embtk_gconfiguess) $$guess;			\
+		fi;								\
+	done;
+endef
+
+#
+# A macro which runs configure script (conpatible with autotools configure)
+# for a package and sets environment variables correctly.
+# Usage:
+# $(call embtk_configure_pkg,PACKAGE)
+#
+define __embtk_configure_autoreconfpkg
+if [ "x$(CONFIG_EMBTK_$(PKGV)_NEED_AUTORECONF)" = "xy" ]; then			\
+	test -e $(__embtk_pkg_srcdir)/configure.ac ||				\
+	test -e $(__embtk_pkg_srcdir)/configure.in || exit 1;			\
+	cd $(__embtk_pkg_srcdir);						\
+	$(AUTORECONF) --install -f;						\
+fi
+endef
+
+__embtk_parse_configure_opts = $(subst $(embtk_space),"\\n\\t",$(strip $(1)))
+define __embtk_print_configure_opts
+	$(if $(strip $(1)),
+	$(call embtk_echo_blue,"Configure options:\\n\\t$(__embtk_parse_configure_opts)"))
+	echo
+endef
+
+__embtk_pkg_ildflags	= -L$(embtk_sysroot)/$(LIBDIR)
+__embtk_pkg_ildflags	+= -L$(embtk_sysroot)/usr/$(LIBDIR)
+define embtk_configure_pkg
+	$(if $(EMBTK_BUILDSYS_DEBUG),
+		$(call embtk_pinfo,"Configure $(__embtk_pkg_package)..."))
+	$(call __embtk_configure_autoreconfpkg,$(1))
+	$(Q)test -e $(__embtk_pkg_srcdir)/configure || exit 1
+	$(call __embtk_print_configure_opts,$(__embtk_pkg_configureopts))
+	$(if $(CONFIG_EMBTK_CLIB_MUSL),$(call __embtk_fixgconfigsfor_pkg,$(1)))
+	$(Q)cd $(__embtk_pkg_builddir);						\
+	CC=$(TARGETCC_CACHED)							\
+	$(if $(CONFIG_EMBTK_GCC_LANGUAGE_CPP),CXX=$(TARGETCXX_CACHED))		\
+	AR=$(TARGETAR)								\
+	RANLIB=$(TARGETRANLIB)							\
+	AS=$(CROSS_COMPILE)as							\
+	NM=$(TARGETNM)								\
+	STRIP=$(TARGETSTRIP)							\
+	OBJDUMP=$(TARGETOBJDUMP)						\
+	OBJCOPY=$(TARGETOBJCOPY)						\
+	CFLAGS="$(__embtk_pkg_cflags) $(TARGET_CFLAGS)"				\
+	CXXFLAGS="$(__embtk_pkg_cxxflags) $(TARGET_CXXFLAGS)"			\
+	LDFLAGS="$(__embtk_pkg_ildflags) $(__embtk_pkg_ldflags)"		\
+	CPPFLAGS="-I$(embtk_sysroot)/usr/include $(__embtk_pkg_cppflags)"	\
+	PKG_CONFIG="$(PKGCONFIG_BIN)"						\
+	PKG_CONFIG_PATH="$(EMBTK_PKG_CONFIG_PATH)"				\
+	PKG_CONFIG_LIBDIR="$(EMBTK_PKG_CONFIG_LIBDIR)"				\
+	ac_cv_func_malloc_0_nonnull=yes						\
+	ac_cv_func_realloc_0_nonnull=yes					\
+	CONFIG_SHELL=$(CONFIG_EMBTK_SHELL)					\
+	$(__embtk_pkg_configureenv) $(__embtk_pkg_scanbuild)			\
+	$(CONFIG_EMBTK_SHELL) $(__embtk_pkg_srcdir)/configure			\
+	--build=$(HOST_BUILD) --host=$(STRICT_GNU_TARGET)			\
+	--target=$(STRICT_GNU_TARGET) --libdir=/usr/$(LIBDIR)			\
+	--prefix=/usr --sysconfdir=/etc --localstatedir=/var --disable-rpath	\
+	$(__embtk_pkg_configureopts)
+	$(Q)$(call __embtk_setconfigured_pkg,$(1))
+	$(Q)$(call __embtk_kill_lt_rpath,$(__embtk_pkg_builddir))
+endef
+
+#
+# A macro which runs configure script (conpatible with autotools configure)
+# for a package for host development machine and sets environment variables
+# correctly.
+# Usage:
+# $(call embtk_configure_hostpkg,PACKAGE)
+#
+__embtk_hostpkg_rpathldflags	= "-Wl,-rpath,$(embtk_htools)/usr/lib"
+__embtk_hostpkg_rpath		= $(strip $(if $(__embtk_pkg_setrpath),		\
+					$(__embtk_hostpkg_rpathldflags)))
+
+__embtk_hostpkg_ldflags		= -L$(embtk_htools)/usr/lib $(__embtk_hostpkg_rpath)
+__embtk_hostpkg_cppflags	= -I$(embtk_htools)/usr/include
+define embtk_configure_hostpkg
+	$(if $(EMBTK_BUILDSYS_DEBUG),
+	$(call embtk_pinfo,"Configure $(__embtk_pkg_package) for host..."))
+	$(call __embtk_configure_autoreconfpkg,$(1))
+	$(if $(CONFIG_EMBTK_CLIB_MUSL),$(call __embtk_fixgconfigsfor_pkg,$(1)))
+	$(Q)test -e $(__embtk_pkg_srcdir)/configure || exit 1
+	$(call __embtk_print_configure_opts,$(__embtk_pkg_configureopts))
+	$(Q)cd $(__embtk_pkg_builddir);						\
+	CPPFLAGS="$(__embtk_hostpkg_cppflags)"					\
+	LDFLAGS="$(__embtk_hostpkg_ldflags)"					\
+	PKG_CONFIG="$(PKGCONFIG_BIN)"						\
+	PKG_CONFIG_PATH="$(EMBTK_HOST_PKG_CONFIG_PATH)"				\
+	$(if $(call __embtk_streq,$(PKGV),CCACHE_HOST),,CC=$(HOSTCC_CACHED))	\
+	$(if $(call __embtk_streq,$(PKGV),CCACHE_HOST),,CXX=$(HOSTCXX_CACHED))	\
+	CONFIG_SHELL=$(CONFIG_EMBTK_SHELL)					\
+	$(__embtk_pkg_configureenv)						\
+	$(CONFIG_EMBTK_SHELL) $(__embtk_pkg_srcdir)/configure			\
+	--build=$(HOST_BUILD) --host=$(HOST_ARCH)				\
+	--prefix=$(strip $(if $(__embtk_pkg_prefix),				\
+				$(__embtk_pkg_prefix),$(embtk_htools)/usr))	\
+	$(__embtk_pkg_configureopts)
+	$(Q)$(call __embtk_setconfigured_pkg,$(1))
+endef
diff --git a/core/mk/pkg-macros/download.mk b/core/mk/pkg-macros/download.mk
new file mode 100644
index 0000000..6300f4f
--- /dev/null
+++ b/core/mk/pkg-macros/download.mk
@@ -0,0 +1,207 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         download.mk
+# \briefd	download.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         January 2014
+################################################################################
+
+#
+# wget wrapper
+# usage: $(call embtk_wget,$(OUTPUT_FILE),$(SITE),$(FOREIGN_FILE))
+#
+__wget_outfile		= $(patsubst %/,%,$(embtk_dldir))/$(strip $(1))
+__wget_remotesite	= $(patsubst %/,%,$(strip $(2)))
+__wget_foreignfiles	= $(strip $(3))
+__wget_opts		:= --tries=5 --timeout=10 --waitretry=5
+__wget_opts		+= --no-check-certificate
+
+define embtk_wget
+	wget $(__wget_opts) -O $(__wget_outfile)				\
+	$(__wget_remotesite)/$(__wget_foreignfiles) ||				\
+	wget $(__wget_opts) --no-passive-ftp -O $(__wget_outfile)		\
+	$(__wget_remotesite)/$(__wget_foreignfiles)
+endef
+
+#
+# A macro which downloads a package.
+# Usage:
+# $(call embtk_download_pkg,PACKAGE)
+#
+
+__embtk_pkg_depof = $(strip $(foreach p,$(__embtk_pkgs_all-y) toolchain toolchain_addons,\
+		$(if $(findstring $(pkgv),$($(call PKGV,$(p)_deps))),$(p))))
+
+__embtk_pkg_needpatch_yesno = $(if $(__embtk_pkg_needpatch),Yes,No)
+
+define __embtk_download_pkg_patches
+	$(if $(__embtk_pkg_needpatch),						\
+	test -e	$(__embtk_pkg_patch_f) ||					\
+	$(call embtk_wget,							\
+		$(__embtk_pkg_name)-$(__embtk_pkg_version).patch,		\
+		$(__embtk_pkg_patch_site),					\
+		$(__embtk_pkg_name)-$(__embtk_pkg_version)-*.patch),true)
+endef
+
+define __embtk_download_pkg_exitfailure
+	($(call embtk_perror,"On $(notdir $(1)) download!");			\
+		$(if $(notdir $(1)),rm -rf $(1);)				\
+		exit 1)
+endef
+
+define __embtk_svncheckout_pkg
+	svn co $(__embtk_pkg_svnsite)/$(__embtk_pkg_svnbranch)			\
+			-r$(__embtk_pkg_svnrev)	$(__embtk_pkg_localsvn)
+endef
+define __embtk_download_pkg_from_svn
+	$(call embtk_echo_blue,"$(__embtk_pkg_name) using SVN")
+	$(call embtk_echo_blue,"\tBranch        : $(notdir $(__embtk_pkg_svnbranch))")
+	$(call embtk_echo_blue,"\tRevision      : $(__embtk_pkg_svnrev)")
+	$(call embtk_echo_blue,"\tIn            : $(or $(__embtk_pkg_refspec),src)")
+	$(call embtk_echo_blue,"\tCheckout URL  : $(__embtk_pkg_svnsite)")
+	$(call embtk_echo_blue,"\tPatched       : $(__embtk_pkg_needpatch_yesno)")
+	$(call embtk_echo_blue,"\tDependency of : $(or $(__embtk_pkg_depof),N/A)")
+	test -e $(__embtk_pkg_localsvn) ||					\
+	$(call __embtk_svncheckout_pkg,$(1)) ||					\
+	$(call __embtk_download_pkg_exitfailure,$(__embtk_pkg_package_f))
+	$(call __embtk_download_pkg_patches,$(1)) ||				\
+	$(call __embtk_download_pkg_exitfailure,$(__embtk_pkg_patch_f))
+	$(call __embtk_applypatch_pkg,$(1))
+
+endef
+
+define __embtk_gitclone_pkg
+	(git clone $(__embtk_pkg_gitsite) $(__embtk_pkg_localgit) &&		\
+	$(if $(findstring master,$(__embtk_pkg_gitbranch)),,			\
+		cd $(__embtk_pkg_localgit);					\
+		git checkout -b $(__embtk_pkg_gitbranch)			\
+					origin/$(__embtk_pkg_gitbranch) &&)	\
+	$(if $(findstring HEAD,$(__embtk_pkg_gitrev)),,				\
+		cd $(__embtk_pkg_localgit);					\
+		git reset --hard $(__embtk_pkg_gitrev) &&)			\
+	true)
+endef
+
+define __embtk_download_pkg_from_git
+	$(call embtk_echo_blue,"$(__embtk_pkg_name) using GIT")
+	$(call embtk_echo_blue,"\tBranch        : $(__embtk_pkg_gitbranch)")
+	$(call embtk_echo_blue,"\tRevision      : $(__embtk_pkg_gitrev)")
+	$(call embtk_echo_blue,"\tIn            : $(or $(__embtk_pkg_refspec),src)")
+	$(call embtk_echo_blue,"\tClone URL     : $(__embtk_pkg_gitsite)")
+	$(call embtk_echo_blue,"\tPatched       : $(__embtk_pkg_needpatch_yesno)")
+	$(call embtk_echo_blue,"\tDependency of : $(or $(__embtk_pkg_depof),N/A)")
+	test -e $(__embtk_pkg_localgit) || $(call __embtk_gitclone_pkg,$(1))
+endef
+
+define __embtk_download_pkg_from_tarball
+	$(call embtk_echo_blue,"$(__embtk_pkg_name) using tarball")
+	$(call embtk_echo_blue,"\tVersion       : $(__embtk_pkg_version)")
+	$(call embtk_echo_blue,"\tFrom          : $(__embtk_pkg_site)")
+	$(call embtk_echo_blue,"\tIn            : $(__embtk_pkg_package_f)")
+	$(call embtk_echo_blue,"\tPatched       : $(__embtk_pkg_needpatch_yesno)")
+	$(call embtk_echo_blue,"\tDependency of : $(or $(__embtk_pkg_depof),N/A)")
+	test -e $(__embtk_pkg_package_f) ||					\
+	$(call embtk_wget,							\
+		$(__embtk_pkg_package),						\
+		$(__embtk_pkg_site),						\
+		$(__embtk_pkg_package)) ||					\
+	$(if $(__embtk_pkg_mirror1),						\
+		$(call embtk_wget,						\
+			$(__embtk_pkg_package),					\
+			$(__embtk_pkg_mirror1),					\
+			$(__embtk_pkg_package)),false) ||			\
+	$(if $(__embtk_pkg_mirror2),						\
+		$(call embtk_wget,						\
+			$(__embtk_pkg_package),					\
+			$(__embtk_pkg_mirror2),					\
+			$(__embtk_pkg_package)),false) ||			\
+	$(if $(__embtk_pkg_mirror3),						\
+		$(call embtk_wget,						\
+			$(__embtk_pkg_package),					\
+			$(__embtk_pkg_mirror3),					\
+			$(__embtk_pkg_package)),false) ||			\
+	$(if $(__embtk_pkg_mirror),						\
+		$(call embtk_wget,						\
+			$(__embtk_pkg_package),					\
+			$(__embtk_pkg_mirror),					\
+			$(__embtk_pkg_package)),false) ||			\
+	$(call __embtk_download_pkg_exitfailure,$(__embtk_pkg_package_f))
+	$(call __embtk_download_pkg_patches,$(1)) ||				\
+	 $(call __embtk_download_pkg_exitfailure,$(__embtk_pkg_patch_f))
+endef
+
+__embtk_pkgdl_src = $(or $(__embtk_pkg_usegit),$(__embtk_pkg_usesvn),tarball)
+define embtk_download_pkg
+	$(if $(EMBTK_BUILDSYS_DEBUG),
+		$(call embtk_pinfo,"Download $(__embtk_pkg_name) if needed..."))
+	$(call __embtk_download_pkg_from_$(call __embtk_pkgdl_src,$(1)),$(1))
+endef
+
+#
+# A macro to decompress packages tarball intended to run on target.
+# Usage:
+# $(call embtk_decompress_pkg,pkgname)
+#
+
+__embtk_applypatch_pkg =							\
+	$(if $(__embtk_pkg_needpatch),						\
+		if [ ! -e $(__embtk_pkg_dotpatched_f) ]; then			\
+			cd $(__embtk_pkg_srcdir);				\
+			patch -p1 --silent < $(__embtk_pkg_patch_f);		\
+			$(call __embtk_setpatched_pkg,$(1));			\
+		fi,true;)
+
+__embtk_decompress_pkg_exitfailure =						\
+	$(call embtk_perror,"!Compression unknown for $(__embtk_pkg_name)!");	\
+	exit 1
+
+__embtk_decompress_pkg =							\
+	case $(__embtk_pkg_package_f) in					\
+		*.tar.bz2 | *.tbz2)						\
+			tar -C $(dir $(__embtk_pkg_srcdir)) -xjf		\
+						$(__embtk_pkg_package_f)	\
+			;;							\
+		*.tar.gz | *.tgz)						\
+			tar -C $(dir $(__embtk_pkg_srcdir)) -xzf		\
+						$(__embtk_pkg_package_f)	\
+			;;							\
+		*.tar.xz)							\
+			tar -C $(dir $(__embtk_pkg_srcdir)) -xJf		\
+						$(__embtk_pkg_package_f)	\
+			;;							\
+		*.tar)								\
+			tar -C $(dir $(__embtk_pkg_srcdir)) -xf			\
+						$(__embtk_pkg_package_f)	\
+			;;							\
+		*)								\
+			$(call __embtk_decompress_pkg_exitfailure,$(1))		\
+			;;							\
+	esac
+
+__embtk_decompress_pkg_msg = $(call embtk_pinfo,"Decrompressing $(__embtk_pkg_package) ...")
+define embtk_decompress_pkg
+	$(if $(__embtk_pkg_usegit)$(__embtk_pkg_usesvn),true,
+		$(if $(EMBTK_BUILDSYS_DEBUG),$(__embtk_decompress_pkg_msg))
+		if [ ! -e $(__embtk_pkg_dotdecompressed_f) ]; then		\
+			$(call __embtk_decompress_pkg,$(1)) &&			\
+			$(call __embtk_setdecompressed_pkg,$(1)) &&		\
+			$(call __embtk_applypatch_pkg,$(1))			\
+		fi)
+endef
diff --git a/core/mk/pkg-macros/incl.mk b/core/mk/pkg-macros/incl.mk
new file mode 100644
index 0000000..3a8cc5a
--- /dev/null
+++ b/core/mk/pkg-macros/incl.mk
@@ -0,0 +1,90 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         include.mk
+# \brief	include.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         January 2014
+################################################################################
+
+#
+# Macros to include a package in the build system
+#	$(1): pkgname => pkgname/pkgname.mk should exist (required)
+#	$(2): kconfig: package specific kconfig symbol name used in .kconfig
+#	      This parameter is optional.
+define embtk_include_pkg
+	$(eval $(call __embtk_include_pkg,$(1),$(2)))
+endef
+define __embtk_include_pkg
+	$(eval __embtk_inc_pkgname	:= $(or $(2),$(PKGV)))
+	$(eval __embtk_incmk		:= $(embtk_pkgincdir)/$(pkgv)/$(pkgv).mk)
+	$(eval __embtk_incinstalled-y	:= $(if $(wildcard $(__embtk_pkg_dotinstalled_f)),y))
+	$(eval __embtk_incenabled-y	:= $(CONFIG_EMBTK_HAVE_$(__embtk_inc_pkgname)))
+	$(eval __embtk_incmk-y		:= $(if $(__embtk_incenabled-y)$(__embtk_incinstalled-y),y))
+	# Is it necessary to include the .mk file?
+	$(eval __embtk_incmk-y		:= $(if $(findstring $(__embtk_incmk),$(MAKEFILE_LIST)),,$(__embtk_incmk-y)))
+	ifeq (x$(__embtk_incmk-y),xy)
+		include $(__embtk_incmk)
+	endif
+	ifeq (x$(__embtk_incenabled-y),xy)
+		ROOTFS_COMPONENTS-y		+= $(pkgv)_install
+		# also include old package kconfig entries if any
+		-include $(__embtk_pkg_dotkconfig_f)
+	else ifeq (x$(__embtk_incinstalled-y),xy)
+		ROOTFS_COMPONENTS-		+= $(pkgv)_install
+	endif
+	# Preset build system installed variable for this packages, if installed
+	ifeq (x$(__embtk_incinstalled-y),xy)
+		__embtk_$(pkgv)_installed = y
+	else
+		__embtk_$(pkgv)_installed =
+	endif
+endef
+
+define embtk_include_hostpkg
+	$(eval $(call __embtk_include_hostpkg,$(1),$(2)))
+endef
+define __embtk_include_hostpkg
+	$(eval __embtk_inc_pkgname	:= $(or $(2),$(PKGV)))
+	# Case where foo and foo_host are in the same .mk file
+	$(eval __embtk_incmk0		:= $(embtk_pkgincdir)/$(pkgv)/$(pkgv).mk)
+	$(eval __embtk_incmk1		:= $(embtk_pkgincdir)/$(patsubst %_host,%,$(pkgv))/$(patsubst %_host,%,$(pkgv)).mk)
+	$(eval __embtk_incmk		:= $(or $(wildcard $(__embtk_incmk0)),$(wildcard $(__embtk_incmk1)),$(wildcard $(__embtk_incmk0))))
+	$(eval __embtk_incinstalled-y	:= $(if $(wildcard $(__embtk_pkg_dotinstalled_f)),y))
+	$(eval __embtk_incenabled-y	:= $(CONFIG_EMBTK_HOST_HAVE_$(patsubst %_HOST,%,$(__embtk_inc_pkgname))))
+	$(eval __embtk_incmk-y		:= $(if $(__embtk_incenabled-y)$(__embtk_incinstalled-y),y))
+	# Is it necessary to include the .mk file?
+	$(eval __embtk_incmk-y		:= $(if $(findstring $(__embtk_incmk),$(MAKEFILE_LIST)),,$(__embtk_incmk-y)))
+	ifeq (x$(__embtk_incmk-y),xy)
+		include $(__embtk_incmk)
+	endif
+	ifeq (x$(__embtk_incenabled-y),xy)
+		HOSTTOOLS_COMPONENTS-y		+= $(pkgv)_install
+		# also include old package kconfig entries if any
+		-include $(__embtk_pkg_dotkconfig_f)
+	else ifeq (x$(__embtk_incinstalled-y),xy)
+		HOSTTOOLS_COMPONENTS-		+= $(pkgv)_install
+	endif
+	# Preset build system installed variable for this packages, if installed
+	ifeq (x$(__embtk_incinstalled-y),xy)
+		__embtk_$(pkgv)_installed = y
+	else
+		__embtk_$(pkgv)_installed =
+	endif
+endef
diff --git a/core/mk/pkg-macros/install.mk b/core/mk/pkg-macros/install.mk
new file mode 100644
index 0000000..b80caca
--- /dev/null
+++ b/core/mk/pkg-macros/install.mk
@@ -0,0 +1,327 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         install.mk
+# \brief	install.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         January 2014
+################################################################################
+
+#
+# Define here which make program to use in MAKE.
+# FIXME: On some systems, gnu make is named gmake (ie FreeBSD)
+#
+__embtk_make_cmd	:= make
+ifeq ($(findstring bsd,$(HOST_ARCH)),bsd)
+__embtk_make_cmd	:= gmake
+endif
+
+__embtk_make_env	:= $(if $(V),MAKEFLAGS="",MAKEFLAGS="--no-print-directory --silent")
+MAKE			= $(__embtk_make_env) $(__embtk_pkg_scanbuild) $(__embtk_make_cmd)
+
+
+# Some embtoolkit internal files for packages
+__embtk_pkg_dotdecompressed_f	= $(__embtk_pkg_srcdir)/.embtk.decompressed
+__embtk_pkg_dotpatched_f	= $(__embtk_pkg_srcdir)/.embtk.patched
+__embtk_pkg_dotconfigured_f	= $(__embtk_pkg_statedir)/.embtk.configured
+__embtk_pkg_dotinstalled_f	= $(__embtk_pkg_statedir)/.embtk.installed
+__embtk_pkg_dotkconfig_f	= $(__embtk_pkg_statedir)/.embtk.kconfig
+
+__embtk_setdecompressed_pkg	= touch $(__embtk_pkg_dotdecompressed_f)
+__embtk_unsetdecompressed_pkg	= rm -rf $(__embtk_pkg_dotdecompressed_f)
+__embtk_setpatched_pkg		= touch $(__embtk_pkg_dotpatched_f)
+__embtk_unsetpatched_pkg	= rm -rf $(__embtk_pkg_dotpatched_f)
+__embtk_setconfigured_pkg	= mkdir -p $(__embtk_pkg_statedir) && touch $(__embtk_pkg_dotconfigured_f)
+__embtk_unsetconfigured_pkg	= rm -rf $(__embtk_pkg_dotconfigured_f)
+__embtk_setinstalled_pkg	= mkdir -p $(__embtk_pkg_statedir) && touch $(__embtk_pkg_dotinstalled_f)
+__embtk_unsetinstalled_pkg	= rm -rf $(__embtk_pkg_dotinstalled_f)
+__embtk_setkconfigured_pkg	= mkdir -p $(__embtk_pkg_statedir) && touch $(__embtk_pkg_dotkconfig_f)
+__embtk_unsetkconfigured_pkg	= rm -rf $(__embtk_pkg_dotkconfig_f)
+
+ifeq ($(CONFIG_EMBTK_WIPEOUTWORKSPACES),y)
+define __embtk_wipeoutworkspace_pkg
+	$(if $(__embtk_pkg_usegit)$(__embtk_pkg_usesvn)$(__embtk_pkg_nowipeworkspace),,
+		rm -rf $(__embtk_pkg_builddir)
+		rm -rf $(__embtk_pkg_srcdir))
+endef
+endif
+
+# Some useful macros about packages
+__embtk_rootfs_pkgs-y		= $(patsubst %_install,%,$(ROOTFS_COMPONENTS-y))
+__embtk_rootfs_nrpkgs-y		= $(words $(__embtk_rootfs_pkgs-y))
+
+__embtk_hosttools_pkgs-y	= $(patsubst %_install,%,$(HOSTTOOLS_COMPONENTS-y))
+__embtk_hosttools_nrpkgs-y	= $(words $(__embtk_hosttools_pkgs-y))
+
+__embtk_rootfs_pkgs-n		= $(patsubst %_install,%,$(ROOTFS_COMPONENTS-))
+__embtk_rootfs_nrpkgs-n		= $(words $(__embtk_rootfs_pkgs-n))
+
+__embtk_hosttools_pkgs-n	= $(patsubst %_install,%,$(HOSTTOOLS_COMPONENTS-))
+__embtk_hosttools_nrpkgs-n	= $(words $(__embtk_hosttools_pkgs-n))
+
+__embtk_pkgs_all-y		= $(__embtk_rootfs_pkgs-y) $(__embtk_hosttools_pkgs-y)
+__embtk_pkgs_nrall-y		= $(words $(__embtk_pkgs_all-y))
+
+#
+# A macro to get packages version from .config file.
+# usage: $(call embtk_get_pkgversion,PACKAGE)
+#
+embtk_get_pkgversion = $(call __embtk_mk_uquote,$(CONFIG_EMBTK_$(PKGV)_VERSION_STRING))
+
+
+#
+# A macro to test if a package is already decompressed.
+#
+__embtk_pkg_decompressed-y	= $(call __embtk_mk_pathexist,$(__embtk_pkg_dotdecompressed_f))
+__embtk_pkg_notdecompressed-y	= $(call __embtk_mk_pathnotexist,$(__embtk_pkg_dotdecompressed_f))
+
+#
+# A macro to test if a package is already patched.
+#
+__embtk_pkg_patched-y		= $(call __embtk_mk_pathexist,$(__embtk_pkg_dotpatched_f))
+__embtk_pkg_notpatched-y	= $(call __embtk_mk_pathnotexist,$(__embtk_pkg_dotpatched_f))
+
+#
+# A macro to test if a package is already configured using autotools configure
+# script.
+#
+__embtk_pkg_configured-y	= $(call __embtk_mk_pathexist,$(__embtk_pkg_dotconfigured_f))
+__embtk_pkg_notconfigured-y	= $(call __embtk_mk_pathnotexist,$(__embtk_pkg_dotconfigured_f))
+
+#
+# A macro to generate a package __embtk_pkg_dotkconfig_f file.
+#
+define __embtk_pkg_gen_dotkconfig_f
+	echo '__embtk_$(pkgv)_okconfigs := $(__embtk_pkg_kconfigs_all_v)' > $(__embtk_pkg_dotkconfig_f)
+endef
+
+#
+# A macro to test if a package build recipe needs to be run or not.
+#
+__embtk_pkg_runrecipe-y		= $(or $(__embtk_pkg_ninstalled-y),$(__embtk_pkg_confchanged-y))
+__embtk_pkg_installed-y		= $(or $(__embtk_$(pkgv)_installed),$(wildcard $(__embtk_pkg_dotinstalled_f)))
+__embtk_pkg_ninstalled-y	= $(if $(__embtk_pkg_installed-y),,y)
+__embtk_pkg_confchanged-y	= $(call __embtk_strneq,$(__embtk_pkg_kconfigs_all_v),$(__embtk_$(pkgv)_okconfigs))
+
+#
+# Various helpers macros for different steps while installing packages.
+#
+__embtk_multi_make = $(foreach builddir,$(__embtk_pkg_makedirs),		\
+			$(__embtk_pkg_makeenv)					\
+			$(MAKE) -C $(__embtk_pkg_builddir)/$(builddir)		\
+			$(J) $(__embtk_pkg_makeopts);)
+
+__embtk_single_make = $(__embtk_pkg_makeenv)					\
+			$(MAKE) -C $(__embtk_pkg_builddir)			\
+			$(J) $(__embtk_pkg_makeopts)
+
+
+__embtk_multi_make_install = $(foreach builddir,$(__embtk_pkg_makedirs),	\
+	$(__embtk_pkg_makeenv) $(filter-out $(__embtk_pkg_scanbuild),$(MAKE))	\
+		 -C $(__embtk_pkg_builddir)/$(builddir)				\
+	$(if $(__embtk_pkg_nodestdir),,						\
+		DESTDIR=$(embtk_sysroot)$(if $(__embtk_pkg_sysrootsuffix),/$(__embtk_pkg_sysrootsuffix))) \
+	$(__embtk_pkg_makeopts) install;)
+
+__embtk_single_make_install = $(__embtk_pkg_makeenv)				\
+	$(filter-out $(__embtk_pkg_scanbuild),$(MAKE))				\
+		-C $(__embtk_pkg_builddir)					\
+	$(if $(__embtk_pkg_nodestdir),,						\
+		DESTDIR=$(embtk_sysroot)$(if $(__embtk_pkg_sysrootsuffix),/$(__embtk_pkg_sysrootsuffix))) \
+	$(__embtk_pkg_makeopts) install
+
+__embtk_multi_make_hostinstall = $(foreach builddir,$(__embtk_pkg_makedirs),	\
+	$(__embtk_pkg_makeenv)							\
+	$(MAKE) -C $(__embtk_pkg_builddir)/$(builddir)				\
+	$(if $(__embtk_pkg_destdir),DESTDIR=$(__embtk_pkg_destdir))		\
+	$(__embtk_pkg_makeopts) install;)
+
+__embtk_single_make_hostinstall = $(__embtk_pkg_makeenv)			\
+	$(MAKE) -C $(__embtk_pkg_builddir)					\
+	$(if $(__embtk_pkg_destdir),DESTDIR=$(__embtk_pkg_destdir))		\
+	$(__embtk_pkg_makeopts) install
+
+__embtk_autotoolspkg-y=$(2)
+define __embtk_install_pkg_make
+	$(foreach dep,$(__embtk_pkg_depspkgv),$(call embtk_install_xpkg,$(dep)))
+	$(call embtk_pinfo,"Compile/Install $(__embtk_pkg_name)-$(__embtk_pkg_version) in your root filesystem...")
+	$(call embtk_download_pkg,$(1))
+	$(call embtk_decompress_pkg,$(1))
+	$(if $(embtk_beforeinstall_$(pkgv)),$(embtk_beforeinstall_$(pkgv)))
+	$(if $(__embtk_autotoolspkg-y),$(call embtk_configure_pkg,$(1)))
+	$(if $(__embtk_pkg_makedirs),						\
+		$(__embtk_multi_make),						\
+		$(__embtk_single_make))
+	$(if $(__embtk_pkg_makedirs),						\
+		$(__embtk_multi_make_install),					\
+		$(__embtk_single_make_install))
+	$(if $(__embtk_autotoolspkg-y)$(__embtk_pkg_pkgconfigs),
+		$(call __embtk_fix_libtool_files)
+		$(call __embtk_fix_pkgconfig_files))
+	$(call __embtk_setinstalled_pkg,$(1))
+	$(call __embtk_pkg_gen_dotkconfig_f,$(1))
+	$(eval __embtk_$(pkgv)_installed = y)
+endef
+define __embtk_install_hostpkg_make
+	$(Q)$(if $(__embtk_pkg_deps),$(MAKE) $(__embtk_pkg_deps))
+	$(call embtk_pinfo,"Compile/Install $(__embtk_pkg_name)-$(__embtk_pkg_version) for host...")
+	$(call embtk_download_pkg,$(1))
+	$(call embtk_decompress_pkg,$(1))
+	$(if $(embtk_beforeinstall_$(pkgv)),$(embtk_beforeinstall_$(pkgv)))
+	$(if $(__embtk_autotoolspkg-y),$(call embtk_configure_hostpkg,$(1)))
+	$(if $(__embtk_pkg_makedirs),						\
+		$(__embtk_multi_make),						\
+		$(__embtk_single_make))
+	$(if $(__embtk_pkg_makedirs),						\
+		$(__embtk_multi_make_hostinstall),				\
+		$(__embtk_single_make_hostinstall))
+	$(call __embtk_setinstalled_pkg,$(1))
+	$(call __embtk_pkg_gen_dotkconfig_f,$(1))
+	$(eval __embtk_$(pkgv)_installed = y)
+endef
+
+#
+# A macro to exit with error when needed package variables not define.
+# Usage:
+# $(call __embtk_install_paramsfailure,pkgname)
+#
+define __embtk_install_paramsfailure
+	$(call embtk_perror,"!Not all needed variables defined for $(1)!")
+	$(call embtk_echo_red,"Summary of variables and their current values")
+	$(call embtk_echo_red,"$(PKGV)_NAME                             (needed) = $(or $(__embtk_pkg_name),not set)")
+	$(call embtk_echo_red,"$(PKGV)_SITE                  (needed if tarball) = $(or $(__embtk_pkg_site),not set)")
+	$(call embtk_echo_red,"$(PKGV)_VERSION               (needed if tarball) = $(or $(__embtk_pkg_version),not set)")
+	$(call embtk_echo_red,"$(PKGV)_PACKAGE               (needed if tarball) = $(or $(__embtk_pkg_package),not set)")
+	$(call embtk_echo_red,"$(PKGV)_GIT_SITE                  (needed if git) = $(or $(__embtk_pkg_gitsite),not set)")
+	$(call embtk_echo_red,"CONFIG_EMBTK_$(PKGV)_VERSION_GIT  (needed if git) = $(or $(__embtk_pkg_usegit),not set)")
+	$(call embtk_echo_red,"CONFIG_EMBTK_$(PKGV)_GIT_REVISION (needed if git) = $(or $(__embtk_pkg_gitrev),not set)")
+	$(call embtk_echo_red,"CONFIG_EMBTK_$(PKGV)_GIT_BRANCH   (needed if git) = $(or $(__embtk_pkg_gitbranch),not set)")
+	$(call embtk_echo_red,"$(PKGV)_SVN_SITE                  (needed if svn) = $(or $(__embtk_pkg_svnsite),not set)")
+	$(call embtk_echo_red,"CONFIG_EMBTK_$(PKGV)_VERSION_SVN (needed if svn)  = $(or $(__embtk_pkg_usesvn),not set)")
+	$(call embtk_echo_red,"CONFIG_EMBTK_$(PKGV)_SVN_REVISION (needed if svn) = $(or $(__embtk_pkg_svnrev),not set)")
+	$(call embtk_echo_red,"CONFIG_EMBTK_$(PKGV)_SVN_BRANCH   (needed if svn) = $(or $(__embtk_pkg_svnbranch),not set)")
+	$(call embtk_echo_red,"$(PKGV)_SRC_DIR               (needed if tarball) = $(or $(__embtk_pkg_srcdir),not set)")
+	$(call embtk_echo_red,"$(PKGV)_BUILD_DIR                      (optional) = $(or $(__embtk_pkg_builddir),not set)")
+
+	exit 1
+endef
+
+__embtk_xinstall_xgitpkg_allvarset-y	= 					\
+		$(strip $(if $(__embtk_pkg_usegit),$(__embtk_pkg_gitsite)))
+
+__embtk_xinstall_xsvnpkg_allvarset-y	= $(strip 				\
+	$(if $(__embtk_pkg_usesvn),						\
+		$(and $(__embtk_pkg_svnsite),$(__embtk_pkg_svnbranch),		\
+			$(__embtk_pkg_svnrev))))
+
+__embtk_xinstall_xtarbpkg_allvarset-y	= $(strip				\
+	$(if $(__embtk_pkg_usegit)$(__embtk_pkg_usesvn),,			\
+		$(and $(__embtk_pkg_site),$(__embtk_pkg_version),		\
+			$(__embtk_pkg_package))))
+
+__embtk_xinstall_xpkg_allvarset-y = $(and $(__embtk_pkg_name),			\
+	$(__embtk_pkg_srcdir),$(__embtk_pkg_builddir),				\
+	$(or $(__embtk_xinstall_xgitpkg_allvarset-y),				\
+		$(__embtk_xinstall_xtarbpkg_allvarset-y),			\
+		$(__embtk_xinstall_xsvnpkg_allvarset-y)))
+
+#
+# A macro to install automatically a package, using autotools scripts, intended
+# to run on the target
+# Usage:
+# $(call embtk_install_pkg,package)
+#
+define __embtk_install_pkg
+	$(if $(__embtk_pkg_runrecipe-y),
+		$(Q)mkdir -p $(__embtk_pkg_builddir)
+		$(Q)$(call __embtk_install_pkg_make,$(1),autotools)
+		$(embtk_postinstallonce_$(pkgv))
+		$(call __embtk_wipeoutworkspace_pkg,$(1)))
+	$(call __embtk_wipeoutworkspace_pkg,$(1))
+	$(embtk_postinstall_$(pkgv))
+endef
+
+define embtk_install_pkg
+	$(if $(__embtk_xinstall_xpkg_allvarset-y),
+		$(or $(embtk_install_$(pkgv)),$(call __embtk_install_pkg,$(1))),
+		$(call __embtk_install_paramsfailure,$(1)))
+endef
+
+#
+# A macro to install automatically a package, using simple Makefile and an
+# install target, intented to run on the target.
+# Usage:
+# $(call embtk_makeinstall_pkg,package)
+#
+define embtk_makeinstall_pkg
+	$(if $(__embtk_xinstall_xpkg_allvarset-y),
+		$(if $(__embtk_pkg_runrecipe-y),
+			$(Q)mkdir -p $(__embtk_pkg_builddir)
+			$(Q)$(call __embtk_install_pkg_make,$(1))
+			$(embtk_postinstallonce_$(pkgv))
+			$(call __embtk_wipeoutworkspace_pkg,$(1)))
+		$(embtk_postinstall_$(pkgv)),
+		$(call __embtk_install_paramsfailure,$(1)))
+endef
+
+#
+# A macro to install automatically a package, using autotools scripts, intended
+# to run on the host development machine.
+# Usage:
+# $(call embtk_install_hostpkg,package)
+#
+
+define __embtk_install_hostpkg
+	$(if $(__embtk_pkg_runrecipe-y),
+		$(Q)mkdir -p $(__embtk_pkg_builddir)
+		$(Q)$(call __embtk_install_hostpkg_make,$(1),autotools)
+		$(embtk_postinstallonce_$(pkgv))
+		$(call __embtk_wipeoutworkspace_pkg,$(1)))
+	$(embtk_postinstall_$(pkgv))
+endef
+define embtk_install_hostpkg
+	$(if $(__embtk_xinstall_xpkg_allvarset-y),
+		$(or $(embtk_install_$(pkgv)),$(call __embtk_install_hostpkg,$(1))),
+		$(call __embtk_install_paramsfailure,$(1)))
+endef
+
+#
+# A macro to install automatically a package, using simple Makefile and an
+# install target, intended to run on the host development machine.
+# Usage:
+# $(call embtk_makeinstall_hostpkg,package)
+#
+define embtk_makeinstall_hostpkg
+	$(if $(__embtk_xinstall_xpkg_allvarset-y),
+		$(if $(__embtk_pkg_runrecipe-y),
+			$(Q)mkdir -p $(__embtk_pkg_builddir)
+			$(Q)$(call __embtk_install_hostpkg_make,$(1))
+			$(embtk_postinstallonce_$(pkgv))
+			$(call __embtk_wipeoutworkspace_pkg,$(1)))
+		$(embtk_postinstall_$(pkgv)),
+		$(call __embtk_install_paramsfailure,$(1)))
+endef
+
+#
+# A wrapper macro for embtk_install_hostpkg and embtk_install_pkg, based on
+# package name (xxxx or xxxx_host).
+#
+define embtk_install_xpkg
+	$(call embtk_install_$(findstring host,$(1))pkg,$(1))
+endef
diff --git a/core/mk/pkg-macros/libtool.mk b/core/mk/pkg-macros/libtool.mk
new file mode 100644
index 0000000..029d934
--- /dev/null
+++ b/core/mk/pkg-macros/libtool.mk
@@ -0,0 +1,54 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         libtool.mk
+# \brief	libtool.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         January 2014
+################################################################################
+
+#Macro to adapt libtool files (*.la) for cross compiling
+__ltlibdirold		= libdir='\/usr\/$(LIBDIR)\(.*\)'
+__ltlibdirnew		= libdir='$(embtk_sysroot)\/usr\/$(LIBDIR)\1'
+__lt_usr/lib		= $(embtk_space)\/usr\/$(LIBDIR)\/
+__lt_sysroot/usr/lib	= $(embtk_space)$(embtk_sysroot)\/usr\/$(LIBDIR)\/
+__lt_path		= $(addprefix $(embtk_sysroot)/usr/,$(or $(1),$(LIBDIR)))
+define __embtk_fix_libtool_files
+	__lt_las=$$(find $(__lt_path) -name '*.la');				\
+	for la in $$__lt_las; do						\
+		sed -e "s;$(__ltlibdirold);$(__ltlibdirnew);"			\
+			-e "s;$(__lt_usr/lib);$(__lt_sysroot/usr/lib);g"	\
+			 < $$la > $$la.new;					\
+		mv $$la.new $$la;						\
+	done
+endef
+libtool_files_adapt:
+	$(Q)$(call __embtk_fix_libtool_files)
+
+#A macro to remove rpath in packages that use libtool -rpath
+define __embtk_kill_lt_rpath
+	cd $(strip $(1));								\
+	LOCAL_LT_FILES=`find . -type f -name libtool`;					\
+	for i in $$LOCAL_LT_FILES; do							\
+		sed -e 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g'	\
+			-e 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g'	\
+			< $$i > $$i.new;						\
+		mv $$i.new $$i;								\
+	done
+endef
diff --git a/core/mk/pkg-macros/pkg-config.mk b/core/mk/pkg-macros/pkg-config.mk
new file mode 100644
index 0000000..8fe591d
--- /dev/null
+++ b/core/mk/pkg-macros/pkg-config.mk
@@ -0,0 +1,63 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         pkg-config.mk
+# \brief	pkg-config.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         January 2014
+################################################################################
+
+#
+# embtk_pkgconfig-libs:
+# A macro to get pkg-config libs entry for a target package
+# Usage: $(call embtk_pkgconfig_getlibs,pkgname)
+#
+define embtk_pkgconfig-libs
+	$(shell									\
+		PKG_CONFIG_PATH=$(EMBTK_PKG_CONFIG_PATH)			\
+		PKG_CONFIG_LIBDIR="$(EMBTK_PKG_CONFIG_LIBDIR)"			\
+		$(PKGCONFIG_BIN) $(strip $(1)) --libs)
+endef
+
+#
+# embtk_pkgconfig-cflags:
+# A macro to get pkg-config cflags entry for a target package
+# Usage: $(call embtk_pkgconfig_getcflags,pkgname)
+#
+define embtk_pkgconfig-cflags
+	$(shell									\
+		PKG_CONFIG_PATH=$(EMBTK_PKG_CONFIG_PATH)			\
+		PKG_CONFIG_LIBDIR="$(EMBTK_PKG_CONFIG_LIBDIR)"			\
+		$(PKGCONFIG_BIN) $(strip $(1)) --cflags)
+endef
+
+# Macro to adapt pkg-config files for cross compiling
+__pkgconfig_includedir	= includedir=$(embtk_sysroot)/usr/include
+__pkgconfig_prefix	= prefix=$(embtk_sysroot)/usr
+__pkgconfig_libdir	= libdir=$(embtk_sysroot)/usr/$(LIBDIR)
+define __embtk_fix_pkgconfig_files
+	__conf_files0=$$(find $(embtk_sysroot)/usr/$(LIBDIR)/pkgconfig -name *.pc);	\
+	__conf_files1=$$(find $(embtk_sysroot)/usr/share/pkgconfig -name *.pc);	\
+	for i in $$__conf_files0 $$__conf_files1; do				\
+		sed -e 's;prefix=.*;$(__pkgconfig_prefix);'			\
+		-e 's;includedir=$${prefix}/include;$(__pkgconfig_includedir);'	\
+		-e 's;libdir=.*;$(__pkgconfig_libdir);' < $$i > $$i.new;	\
+		mv $$i.new $$i;							\
+	done
+endef
diff --git a/core/mk/pkg-macros/vars.mk b/core/mk/pkg-macros/vars.mk
new file mode 100644
index 0000000..e7e1a6e
--- /dev/null
+++ b/core/mk/pkg-macros/vars.mk
@@ -0,0 +1,124 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         vars.mk
+# \brief	vars.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         January 2014
+################################################################################
+
+#
+# Some helper variables
+#
+embtk_ftp			:= ftp://ftp.embtoolkit.org/embtoolkit.org
+embtk_ftp/packages-mirror	:= $(embtk_ftp)/packages-mirror
+embtk_toolchain_use_llvm-y	:= $(or $(CONFIG_EMBTK_LLVM_ONLY_TOOLCHAIN),$(CONFIG_EMBTK_LLVM_DEFAULT_TOOLCHAIN))
+embtk_toolchain_has_llvm-y	:= $(or $(CONFIG_EMBTK_GCC_AND_LLVM_TOOLCHAIN),$(embtk_toolchain_use_llvm-y))
+
+__embtk_hostcc-v		:= $(shell outv=$$($(HOSTCC) -v 2>&1); echo $$outv)
+embtk_hostcc_clang-y		:= $(if $(findstring clang,$(__embtk_hostcc-v)),y)
+
+embtk_host_uname		:= $(shell uname -s -r -p)
+
+#
+# Get passed package variables prefix and set some helpers macros.
+#
+PKGV				= $(call embtk_ucase,$(1))
+pkgv				= $(call embtk_lcase,$(1))
+__embtk_pkg_name		= $(or $(strip $($(PKGV)_NAME)),$(patsubst %_host,%,$(pkgv)))
+__embtk_pkg_needpatch		= $(CONFIG_EMBTK_$(PKGV)_NEED_PATCH)
+__embtk_pkg_site		= $(strip $($(PKGV)_SITE))
+__embtk_patch_site		= $(embtk_ftp)
+__embtk_patch_url		= $(__embtk_patch_site)/$(__embtk_pkg_name)/$(__embtk_pkg_version)
+__embtk_pkg_patch_site		= $(strip $(or $($(PKGV)_PATCH_SITE),$(__embtk_patch_url)))
+__embtk_pkg_patch_f		= $(strip $(embtk_dldir))/$(__embtk_pkg_name)-$(__embtk_pkg_version).patch
+__embtk_pkg_mirror		= $(embtk_ftp/packages-mirror)
+__embtk_pkg_mirror1		= $(strip $($(PKGV)_MIRROR1))
+__embtk_pkg_mirror2		= $(strip $($(PKGV)_MIRROR2))
+__embtk_pkg_mirror3		= $(strip $($(PKGV)_MIRROR3))
+__embtk_pkg_package		= $(strip $($(PKGV)_PACKAGE))
+
+__embtk_pkg_refspec		= $(call __embtk_mk_uquote,$(CONFIG_EMBTK_$(PKGV)_REFSPEC))
+
+__embtk_pkg_usesvn		= $(if $(CONFIG_EMBTK_$(PKGV)_VERSION_SVN),svn)
+__embtk_pkg_svnsite		= $(or $(call __embtk_mk_uquote,$(CONFIG_EMBTK_$(PKGV)_SVN_SITE)),$(strip $($(PKGV)_SVN_SITE)))
+__embtk_pkg_svnbranch		= $(call __embtk_mk_uquote,$(CONFIG_EMBTK_$(PKGV)_SVN_BRANCH))
+__embtk_pkg_svnrev		= $(call __embtk_mk_uquote,$(CONFIG_EMBTK_$(PKGV)_SVN_REVISION))
+__embtk_pkg_localsvn		= $(strip $(if $(__embtk_pkg_usesvn),		\
+	$(EMBTK_ROOT)/src/$(__embtk_pkg_refspec)/$(__embtk_pkg_name)-$(notdir $(__embtk_pkg_svnbranch)).svn))
+
+__embtk_pkg_usegit		= $(if $(CONFIG_EMBTK_$(PKGV)_VERSION_GIT),git)
+__embtk_pkg_gitsite		= $(or $(call __embtk_mk_uquote,$(CONFIG_EMBTK_$(PKGV)_GIT_SITE)),$(strip $($(PKGV)_GIT_SITE)))
+__embtk_pkg_gitbranch		= $(or $(call __embtk_mk_uquote,$(CONFIG_EMBTK_$(PKGV)_GIT_BRANCH)),master)
+__embtk_pkg_gitrev		= $(or $(call __embtk_mk_uquote,$(CONFIG_EMBTK_$(PKGV)_GIT_REVISION)),HEAD)
+__embtk_pkg_localgit		= $(strip $(if $(__embtk_pkg_usegit),		\
+	$(EMBTK_ROOT)/src/$(__embtk_pkg_refspec)/$(__embtk_pkg_name).git))
+
+# FIXME: __embtk_pkg_versionsvn: hack for eglibc, should work just as git
+__embtk_pkg_versionsvn		= $(if $(__embtk_pkg_usesvn),$(or $(CONFIG_EMBTK_$(PKGV)_VERSION_STRING),$(__embtk_pkg_usesvn)))
+__embtk_pkg_version		= $(or $(__embtk_pkg_usegit),$(__embtk_pkg_versionsvn),$(strip $($(PKGV)_VERSION)))
+
+__embtk_pkg_package_f		= $(strip $(embtk_dldir))/$(__embtk_pkg_package)
+__embtk_pkg_srcdir		= $(or $(__embtk_pkg_localgit),$(__embtk_pkg_localsvn),$(patsubst %/,%,$(strip $($(PKGV)_SRC_DIR))))
+__embtk_pkg_builddir		= $(patsubst %/,%,$(strip $($(PKGV)_BUILD_DIR)))
+__embtk_pkg_nowipeworkspace	= $(strip $($(PKGV)_KEEP_SRC_DIR))
+# State dir: where build system stores package states: installed, patched, etc.
+__embtk_pkg_x0statedir		= $(if $(__embtk_pkg_builddir),$(dir $(__embtk_pkg_builddir)))
+__embtk_pkg_hoststatedir	= $(if $(strip $(wildcard $(embtk_toolsb)/.embtk-$(pkgv))),$(embtk_toolsb))
+__embtk_pkg_targetstatedir	= $(if $(strip $(wildcard $(embtk_pkgb)/.embtk-$(pkgv))),$(embtk_pkgb))
+__embtk_pkg_gitstatedir		= $(dir $(wildcard $(EMBTK_ROOT)/src/*/$(__embtk_pkg_name).git))
+__embtk_pkg_svnstatedir		= $(dir $(wildcard $(EMBTK_ROOT)/src/*/$(__embtk_pkg_name)*.svn))
+__embtk_pkg_gitsvnstatedir	= $(or $(__embtk_pkg_gitstatedir),$(__embtk_pkg_svnstatedir))
+___embtk_pkg_statedir		= $(or $(__embtk_pkg_x0statedir),$(__embtk_pkg_targetstatedir),$(__embtk_pkg_hoststatedir),$(__embtk_pkg_gitsvnstatedir))
+__embtk_pkg_statedir		= $(if $(___embtk_pkg_statedir),$(___embtk_pkg_statedir)/.embtk-$(pkgv))
+
+__embtk_pkg_etc			= $(strip $($(PKGV)_ETC))
+__embtk_pkg_bins		= $(strip $($(PKGV)_BINS))
+__embtk_pkg_sbins		= $(strip $($(PKGV)_SBINS))
+__embtk_pkg_includes		= $(strip $($(PKGV)_INCLUDES))
+__embtk_pkg_libs		= $(strip $($(PKGV)_LIBS))
+__embtk_pkg_libexecs		= $(strip $($(PKGV)_LIBEXECS))
+__embtk_pkg_pkgconfigs		= $(strip $($(PKGV)_PKGCONFIGS))
+__embtk_pkg_shares		= $(strip $($(PKGV)_SHARES))
+
+__embtk_pkg_configureenv 	= $(strip $($(PKGV)_CONFIGURE_ENV))
+__embtk_pkg_setrpath		= $(strip $($(PKGV)_SET_RPATH))
+__embtk_pkg_configureopts	= $(strip $($(PKGV)_CONFIGURE_OPTS))
+__embtk_pkg_sysrootsuffix	= $(strip $($(PKGV)_SYSROOT_SUFFIX))
+__embtk_pkg_prefix		= $(strip $($(PKGV)_PREFIX))
+__embtk_pkg_destdir		= $(strip $($(PKGV)_DESTDIR))
+__embtk_pkg_nodestdir		= $(strip $($(PKGV)_NODESTDIR))
+__embtk_pkg_deps		= $(strip $($(PKGV)_DEPS))
+__embtk_pkg_depspkgv		= $(sort $(patsubst %_install,%,$(__embtk_pkg_deps)))
+___embtk_pkg_kconfigsname	= $(strip $(or $($(PKGV)_KCONFIGS_NAME),$(PKGV)))
+__embtk_pkg_kconfigsname	= $(patsubst %_HOST,%,$(___embtk_pkg_kconfigsname))
+__embtk_pkg_kconfigs		= $(sort $(filter CONFIG_EMBTK_$(__embtk_pkg_kconfigsname)_%,$(.VARIABLES)))
+__embtk_pkg_kconfigs_v		= $(foreach k,$(__embtk_pkg_kconfigs),$(k)=$($(k)))
+__embtk_pkg_deps_kconfigs_v	= $(foreach d,$(__embtk_pkg_depspkgv),$(call __embtk_pkg_kconfigs_v,$(d)))
+__embtk_pkg_kconfigs_all_v	= $(strip $(__embtk_pkg_kconfigs_v) $(__embtk_pkg_deps_kconfigs_v))
+__embtk_pkg_cflags		= $(strip $($(PKGV)_CFLAGS))
+__embtk_pkg_cppflags		= $(strip $($(PKGV)_CPPFLAGS))
+__embtk_pkg_cxxflags		= $(strip $($(PKGV)_CXXFLAGS))
+__embtk_pkg_ldflags		= $(strip $($(PKGV)_LDFLAGS))
+
+__embtk_pkg_makedirs		= $(strip $($(PKGV)_MAKE_DIRS))
+__embtk_pkg_makeenv		= $(strip $($(PKGV)_MAKE_ENV))
+__embtk_pkg_makeopts		= $(strip $($(PKGV)_MAKE_OPTS))
+__embtk_pkg_scanbuild-y		= $(and $(CONFIG_EMBTK_$(PKGV)_USE_SCANBUILD),$(embtk_toolchain_has_llvm-y))
+__embtk_pkg_scanbuild		= $(if $(__embtk_pkg_scanbuild-y),$(TARGETSCANBUILD) -o $(__embtk_pkg_srcdir)-scanbuild-results)
diff --git a/core/mk/rootfs/README.busybox.inittab b/core/mk/rootfs/README.busybox.inittab
new file mode 100644
index 0000000..b9eb1e9
--- /dev/null
+++ b/core/mk/rootfs/README.busybox.inittab
@@ -0,0 +1,6 @@
+# Format for each entry: <id>:<runlevels>:<action>:<process>
+#
+# id        == tty to run on, or empty for /dev/console
+# runlevels == ignored
+# action    == one of sysinit, respawn, askfirst, wait, and once
+# process   == program to run
diff --git a/core/mk/rootfs/fs.mk b/core/mk/rootfs/fs.mk
new file mode 100644
index 0000000..e1500e3
--- /dev/null
+++ b/core/mk/rootfs/fs.mk
@@ -0,0 +1,100 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2012 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         fs.mk
+# \brief	fs.mk of Embtoolkit, macros for sereval filesystems build.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         August 2009
+################################################################################
+
+#
+# TAR.BZ2 rootfs macro
+#
+__embtk_tarbz2_rootdir	= $(strip $(1))
+__embtk_tarbz2_rootfs	= $(strip $(2))
+define embtk_rootfs_mktarbz2
+	$(call embtk_pinfo,"Generating TAR.BZ2 file of the rootfs...")
+	cd $(__embtk_tarbz2_rootdir);						\
+	$(FAKEROOT_BIN) -i $(FAKEROOT_ENV_FILE) --				\
+	tar cjf $(__embtk_tarbz2_rootfs) *;					\
+	mv $(__embtk_tarbz2_rootfs) $(embtk_generated)/
+endef
+
+#
+# JFFS2 rootfs macro
+#
+__embtk_mkjffs2			:= $(embtk_htools)/usr/sbin/mkfs.jffs2
+__embtk_sumtool			:= $(embtk_htools)/usr/sbin/sumtool
+__embtk_jffs2_eraseblksz	:= $(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2_ERASEBLOCKSIZE)
+__embtk_jffs2_pad		:= $(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2_ERASEBLOCKSIZE)
+__embtk_jffs2_pagesz		:= $(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2_PAGESIZE)
+__embtk_jffs2_cleanmarkersz	:= $(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2_CLEANMARKERSIZE)
+__embtk_jffs2_rootdir		= $(strip $(1))
+__embtk_jffs2_rootfs		= $(strip $(2))
+define embtk_rootfs_mkjffs2
+	$(call embtk_pinfo,"Generating JFFS2 rootfs..")
+	$(FAKEROOT_BIN) -i $(FAKEROOT_ENV_FILE) --				\
+	$(__embtk_mkjffs2)							\
+		--eraseblock=$(__embtk_jffs2_eraseblksz)			\
+		--pad=$(__embtk_jffs2_pad)					\
+		--pagesize=$(__embtk_jffs2_pagesz)				\
+		--cleanmarker=$(__embtk_jffs2_cleanmarkersz)			\
+		$(if $(CONFIG_EMBTK_TARGET_ARCH_LITTLE_ENDIAN),			\
+					--little-endian,--big-endian)		\
+		-n --root=$(__embtk_jffs2_rootdir)				\
+		-o $(__embtk_jffs2_rootfs).temp
+	$(__embtk_sumtool)							\
+		--eraseblock=$(__embtk_jffs2_eraseblksz)			\
+		--cleanmarker=$(__embtk_jffs2_cleanmarkersz)			\
+		$(if $(CONFIG_EMBTK_TARGET_ARCH_LITTLE_ENDIAN),			\
+					--littleendian,--bigendian)		\
+		-n -p -i $(__embtk_jffs2_rootfs).temp -o $(__embtk_jffs2_rootfs)
+	rm -rf $(__embtk_jffs2_rootfs).temp
+endef
+
+#
+# SQUASHFS rootfs macro
+#
+__embtk_mksquashfs		:= $(MKSQUASHFS_BIN)
+__embtk_squashfs_rootdir	= $(strip $(1))
+__embtk_squashfs_rootfs		= $(strip $(2))
+define embtk_rootfs_mksquashfs
+	$(call embtk_pinfo,"Generating SQUASHFS rootfs...")
+	$(FAKEROOT_BIN) -i $(FAKEROOT_ENV_FILE) --				\
+	$(__embtk_mksquashfs)							\
+		$(__embtk_squashfs_rootdir) $(__embtk_squashfs_rootfs)		\
+		$(if $(CONFIG_EMBTK_SQUASHFS_TOOLS_VERSION_3_4),		\
+			$(if $(CONFIG_EMBTK_TARGET_ARCH_LITTLE_ENDIAN),-le,-be))\
+		-all-root
+endef
+
+#
+# CPIO (initramfs) rootfs macro
+#
+__embtk_mkinitramfs		:= $(EMBTK_ROOT)/scripts/mkinitramfs
+__embtk_initramfs_rootdir	= $(strip $(1))
+__embtk_initramfs_rootfs	= $(strip $(2))
+define embtk_rootfs_mkinitramfs
+	$(call embtk_pinfo,"Generating INITRAMFS rootfs...")
+	$(FAKEROOT_BIN) -i $(FAKEROOT_ENV_FILE) --				\
+	$(__embtk_mkinitramfs)							\
+		$(__embtk_initramfs_rootdir)					\
+		$(if $(EMBTK_ROOTFS_HAVE_INITRAMFS_CPIO_GZIPED),gzip,bzip2)	\
+		$(__embtk_initramfs_rootfs)
+endef
diff --git a/core/mk/rootfs/rootfs.mk b/core/mk/rootfs/rootfs.mk
new file mode 100644
index 0000000..255e0b3
--- /dev/null
+++ b/core/mk/rootfs/rootfs.mk
@@ -0,0 +1,194 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2012 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         rootfs.mk
+# \brief	rootfs.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         June 2009
+################################################################################
+
+ifeq ($(CONFIG_EMBTK_HAVE_ROOTFS),y)
+
+# Include various filesystems macros
+include core/mk/rootfs/fs.mk
+
+ROOTFS_JFFS2		:= $(embtk_generated)/rootfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)-$(embtk_clib).jffs2
+ROOTFS_TARBZ2		:= rootfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)-$(embtk_clib).tar.bz2
+ROOTFS_SQUASHFS		:= $(embtk_generated)/rootfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)-$(embtk_clib).squashfs
+ROOTFS_INITRAMFS	:= $(embtk_generated)/rootfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)-$(embtk_clib).initramfs
+
+HOSTTOOLS_COMPONENTS-y += makedevs_install
+HOSTTOOLS_COMPONENTS-$(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2) += mtdutils_host_install
+HOSTTOOLS_COMPONENTS-$(CONFIG_EMBTK_ROOTFS_HAVE_SQUASHFS) += squashfs_tools_install
+
+# Files to strip if requested
+
+__embtk_rootfs/libso		= $(shell [ -d $(embtk_rootfs)/lib ] && find $(embtk_rootfs)/lib -type f -name *.so*)
+__embtk_rootfs/lib32so		= $(shell [ -d $(embtk_rootfs)/lib32 ] && find $(embtk_rootfs)/lib32 -type f -name *.so*)
+__embtk_rootfs/usr/libso	= $(shell [ -d $(embtk_rootfs)/usr/lib ] && find $(embtk_rootfs)/usr/lib -type f -name *.so*)
+__embtk_rootfs/usr/lib32so	= $(shell [ -d $(embtk_rootfs)/usr/lib32 ] && find $(embtk_rootfs)/usr/lib32 -type f -name *.so*)
+__embtk_rootfs/usr/libexec	= $(shell [ -d $(embtk_rootfs)/usr/libexec ] && find $(embtk_rootfs)/usr/libexec -type f)
+__embtk_rootfs/bins		= $(shell [ -d $(embtk_rootfs)/bin ] && find $(embtk_rootfs)/bin -type f)
+__embtk_rootfs/sbins		= $(shell [ -d $(embtk_rootfs)/sbin ] && find $(embtk_rootfs)/sbin -type f)
+__embtk_rootfs/usr/bins		= $(shell [ -d $(embtk_rootfs)/usr/bin ] && find $(embtk_rootfs)/usr/bin -type f)
+__embtk_rootfs/usr/sbins	= $(shell [ -d $(embtk_rootfs)/usr/sbin ] && find $(embtk_rootfs)/usr/sbin -type f)
+
+define __embtk_rootfs_strip_f
+	-$(FAKEROOT_BIN) -i $(FAKEROOT_ENV_FILE) --				\
+					$(TARGETSTRIP) $(1) >/dev/null 2>&1
+endef
+
+define __embtk_rootfs_components_strip
+	$(call embtk_pinfo,"Stripping binaries as specified...")
+	$(if $(__embtk_rootfs/libso),
+		$(foreach bin,$(__embtk_rootfs/libso),
+				$(call __embtk_rootfs_strip_f,$(bin)) &&:))
+	$(if $(__embtk_rootfs/lib32so),
+		$(foreach bin,$(__embtk_rootfs/lib32so),
+				$(call __embtk_rootfs_strip_f,$(bin)) &&:))
+	$(if $(__embtk_rootfs/usr/libso),
+		$(foreach bin,$(__embtk_rootfs/usr/libso),
+				$(call __embtk_rootfs_strip_f,$(bin)) &&:))
+	$(if $(__embtk_rootfs/usr/lib32so),
+		$(foreach bin,$(__embtk_rootfs/usr/lib32so),
+				$(call __embtk_rootfs_strip_f,$(bin)) &&:))
+	$(if $(__embtk_rootfs/usr/libexec),
+		$(foreach bin,$(__embtk_rootfs/usr/libexec),
+				$(call __embtk_rootfs_strip_f,$(bin)) &&:))
+	$(if $(__embtk_rootfs/bins),
+		$(foreach bin,$(__embtk_rootfs/bins),
+				$(call __embtk_rootfs_strip_f,$(bin)) &&:))
+	$(if $(__embtk_rootfs/sbins),
+		$(foreach bin,$(__embtk_rootfs/sbins),
+				$(call __embtk_rootfs_strip_f,$(bin)) &&:))
+	$(if $(__embtk_rootfs/usr/bins),
+		$(foreach bin,$(__embtk_rootfs/usr/bins),
+				$(call __embtk_rootfs_strip_f,$(bin)) &&:))
+	$(if $(__embtk_rootfs/usr/sbins),
+		$(foreach bin,$(__embtk_rootfs/usr/sbins),
+				$(call __embtk_rootfs_strip_f,$(bin)) &&:))
+endef
+
+define __embtk_rootfs_mkdevnodes
+	$(call embtk_pinfo,"Populating devices nodes of the rootfs...")
+	$(FAKEROOT_BIN) -s $(FAKEROOT_ENV_FILE) -- $(MAKEDEVS_BIN)		\
+				-d $(EMBTK_ROOT)/src/devices_table.txt $(embtk_rootfs)
+endef
+
+define __embtk_rootfs_cleanup
+	$(foreach pkg-n,$(__embtk_rootfs_pkgs-n),
+		$(call __embtk_cleanup_pkg,$(pkg-n)) &&:)
+	rm -rf $(embtk_generated)/rootfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)*
+endef
+
+define __embtk_rootfs_mkinitpath
+	mkdir -p $(embtk_rootfs)
+	cp -Rp $(EMBTK_ROOT)/src/rootfs_skel/* $(embtk_rootfs)
+	mkdir -p $(embtk_pkgb)
+	$(if $(CONFIG_EMBTK_64BITS_FS_COMPAT32),
+		mkdir -p $(embtk_rootfs)/lib32
+		mkdir -p $(embtk_rootfs)/usr/lib32)
+endef
+
+define __embtk_rootfs_components_install
+	mkdir -p $(embtk_rootfs)/$(LIBDIR)
+	mkdir -p $(embtk_rootfs)/lib
+	mkdir -p $(embtk_rootfs)/usr
+	mkdir -p $(embtk_rootfs)/usr/$(LIBDIR)
+	mkdir -p $(embtk_rootfs)/usr/lib
+	$(if $(CONFIG_EMBTK_64BITS_FS),
+		cd $(embtk_rootfs); ln -s lib lib64
+		cd $(embtk_rootfs)/usr; ln -s lib lib64)
+	$(if $(CONFIG_EMBTK_64BITS_FS_COMPAT32),
+		cd $(embtk_rootfs); ln -s lib lib64
+		cd $(embtk_rootfs)/usr; ln -s lib lib64)
+	-(cd $(embtk_sysroot)/lib/ && tar -cf - *.so*)				\
+		| tar -xf - -C $(embtk_rootfs)/lib/
+	-(cd $(embtk_sysroot)/usr/lib/ && tar -cf - *.so*)			\
+		| tar -xf - -C $(embtk_rootfs)/usr/lib/
+	-cp -R $(embtk_sysroot)/usr/libexec $(embtk_rootfs)/usr/
+	rm -rf $(embtk_rootfs)/lib/libgcc_s.so
+	rm -rf $(embtk_rootfs)/usr/lib/libc.so
+	$(if $(CONFIG_EMBTK_64BITS_FS_COMPAT32),
+		-(cd $(embtk_sysroot)/lib32/ && tar -cf - *.so*)		\
+			| tar -xf - -C $(embtk_rootfs)/lib32/
+		-(cd $(embtk_sysroot)/usr/lib32/ && tar -cf - *.so*)		\
+			| tar -xf - -C $(embtk_rootfs)/usr/lib32/
+		rm -rf $(embtk_rootfs)/lib32/libgcc_s.so
+		rm -rf $(embtk_rootfs)/usr/lib32/libc.so)
+	-cp -R $(embtk_sysroot)/bin/* $(embtk_rootfs)/bin/ >/dev/null 2>/dev/null
+	-cp -R $(embtk_sysroot)/usr/bin/* $(embtk_rootfs)/usr/bin/
+	-cp -R $(embtk_sysroot)/sbin/* $(embtk_rootfs)/sbin/ >/dev/null 2>/dev/null
+	-cp -R $(embtk_sysroot)/usr/sbin/* $(embtk_rootfs)/usr/sbin/
+	-cp -R $(embtk_sysroot)/etc/* $(embtk_rootfs)/etc/ >/dev/null 2>/dev/null
+	-rm -rf $$(find $(embtk_rootfs) -type f -name '.empty')
+	cp -R $(embtk_sysroot)/root $(embtk_rootfs)/
+	-$(FAKEROOT_BIN) -i $(FAKEROOT_ENV_FILE) -- 				\
+				rm -rf `find $(embtk_rootfs) -type f -name *.la`
+endef
+
+define __embtk_rootfs_fs_generate
+	$(call embtk_rootfs_mktarbz2,$(embtk_rootfs),$(ROOTFS_TARBZ2))
+	$(if $(CONFIG_EMBTK_ROOTFS_HAVE_INITRAMFS_CPIO),
+		$(call embtk_rootfs_mkinitramfs,$(embtk_rootfs),$(ROOTFS_INITRAMFS)))
+	$(if $(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2),
+		$(call embtk_rootfs_mkjffs2,$(embtk_rootfs),$(ROOTFS_JFFS2)))
+	$(if $(CONFIG_EMBTK_ROOTFS_HAVE_SQUASHFS),
+		$(call embtk_rootfs_mksquashfs,$(embtk_rootfs),$(ROOTFS_SQUASHFS)))
+	rm -rf $(embtk_rootfs)
+endef
+
+__rootfs_build_msg:
+	$(call embtk_pinfo,"Building selected filesystems - please wait...")
+
+__rootfs_clean:
+	$(Q)$(__embtk_rootfs_cleanup)
+
+__rootfs_mkinitpath:
+	$(Q)$(__embtk_rootfs_mkinitpath)
+
+__rootfs_components_build: $(ROOTFS_COMPONENTS-y)
+	true
+
+__rootfs_mkdevnodes:
+	$(Q)$(__embtk_rootfs_mkdevnodes)
+
+__rootfs_components_install:
+	$(Q)$(__embtk_rootfs_components_install)
+
+__rootfs_components_strip:
+	$(__embtk_rootfs_components_strip)
+
+__rootfs_prebuild_targets := __rootfs_build_msg
+__rootfs_prebuild_targets += __rootfs_clean
+__rootfs_prebuild_targets += __rootfs_mkinitpath
+__rootfs_prebuild_targets += __rootfs_components_build
+__rootfs_prebuild_targets += __rootfs_mkdevnodes
+__rootfs_prebuild_targets += __rootfs_components_install
+__rootfs_prebuild_targets += $(strip $(if $(CONFIG_EMBTK_TARGET_STRIPPED),	\
+						__rootfs_components_strip))
+
+rootfs_build: toolchain_install host_packages_build $(__rootfs_prebuild_targets)
+	$(Q)$(__embtk_rootfs_fs_generate)
+	$(call embtk_pinfo,"Selected root filesystems built successfully!")
+else
+# Build of root file system not selected
+rootfs_build:
+	$(call embtk_pinfo,"Build of root filesystem not selected")
+endif
diff --git a/core/mk/squashfs.mk b/core/mk/squashfs.mk
new file mode 100644
index 0000000..6b046bf
--- /dev/null
+++ b/core/mk/squashfs.mk
@@ -0,0 +1,59 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2012 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         squashfs.mk
+# \brief	squashfs.mk of Embtoolkit.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         August 2009
+################################################################################
+
+SQUASHFS_TOOLS_NAME		:= squashfs
+SQUASHFS_TOOLS_VERSION		:= $(call embtk_get_pkgversion,squashfs_tools)
+SQUASHFS_TOOLS_SITE		:= http://sourceforge.net/projects/squashfs/files/squashfs/squashfs$(SQUASHFS_TOOLS_VERSION)
+SQUASHFS_TOOLS_PACKAGE		:= squashfs$(SQUASHFS_TOOLS_VERSION).tar.gz
+SQUASHFS_TOOLS_SRC_DIR		:= $(embtk_toolsb)/squashfs$(SQUASHFS_TOOLS_VERSION)
+SQUASHFS_TOOLS_BUILD_DIR	:= $(SQUASHFS_TOOLS_SRC_DIR)/squashfs-tools
+
+MKSQUASHFS_BIN	:= $(embtk_htools)/usr/bin/mksquashfs
+UNSQUASHFS_BIN	:= $(embtk_htools)/usr/bin/unsquashfs
+
+SQUASHFS_TOOLS_DEPS		:= zlib_host_install
+
+# Build cppflags
+__embtk_squashfs_cppflags	:= -I$(embtk_htools)/usr/include
+ifneq ($(embtk_buildhost_os),linux)
+__embtk_squashfs_cppflags	+= -DFNM_EXTMATCH=0
+endif
+
+SQUASHFS_TOOLS_MAKE_ENV		:= CC=$(HOSTCC_CACHED)
+SQUASHFS_TOOLS_MAKE_ENV		+= CPPFLAGS="$(__embtk_squashfs_cppflags)"
+SQUASHFS_TOOLS_MAKE_ENV 	+= LDFLAGS="-L$(embtk_htools)/usr/lib"
+SQUASHFS_TOOLS_MAKE_ENV		+= EXTRA_CFLAGS="-include sys/stat.h"
+
+SQUASHFS_TOOLS_MAKE_OPTS	:= XATTR_SUPPORT=0
+SQUASHFS_TOOLS_MAKE_OPTS	+= INSTALL_DIR="$(embtk_htools)/usr/bin"
+
+
+define embtk_install_squashfs_tools
+	$(call embtk_makeinstall_hostpkg,squashfs_tools)
+endef
+
+define embtk_cleanup_squashfs_tools
+	rm -rf $(SQUASHFS_TOOLS_SRC_DIR)
+endef
diff --git a/core/mk/strace.mk b/core/mk/strace.mk
new file mode 100644
index 0000000..b2d57cc
--- /dev/null
+++ b/core/mk/strace.mk
@@ -0,0 +1,33 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2013 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         strace.mk
+# \brief	strace.mk of Embtoolkit.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         August 2009
+################################################################################
+
+STRACE_NAME		:= strace
+STRACE_VERSION		:= $(call embtk_get_pkgversion,strace)
+STRACE_SITE		:= http://downloads.sourceforge.net/project/strace/strace/$(STRACE_VERSION)
+STRACE_PACKAGE		:= strace-$(STRACE_VERSION).tar.bz2
+STRACE_SRC_DIR		:= $(embtk_pkgb)/strace-$(STRACE_VERSION)
+STRACE_BUILD_DIR	:= $(embtk_pkgb)/strace-build
+
+STRACE_BINS		:= strace strace-graph
diff --git a/core/mk/target-mcu.mk b/core/mk/target-mcu.mk
new file mode 100644
index 0000000..7e7ace4
--- /dev/null
+++ b/core/mk/target-mcu.mk
@@ -0,0 +1,33 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2012 Abdoulaye Walsimou GAYE <awg@embtoolkit.org>.
+#
+# This program is free software; you can distribute it and/or modify it
+# under the terms of the GNU General Public License
+# (Version 2 or later) published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         target-mcu.mk
+# \brief	target-mcu.mk of Embtoolkit.
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         May 2009
+################################################################################
+
+# ARM
+ifeq ($(CONFIG_EMBTK_ARCH_ARM),y)
+include core/mk/arch/arm/arm.mk
+endif
+
+# MIPS
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS),y)
+include core/mk/arch/mips/mips.mk
+endif
diff --git a/core/mk/targetsys.mk b/core/mk/targetsys.mk
new file mode 100644
index 0000000..093fb7b
--- /dev/null
+++ b/core/mk/targetsys.mk
@@ -0,0 +1,56 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2012 Abdoulaye Walsimou GAYE <awg@embtoolkit.org>.
+#
+# This program is free software; you can distribute it and/or modify it
+# under the terms of the GNU General Public License
+# (Version 2 or later) published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         targetsys.mk
+# \brief	This file defines system environment of the target
+# \brief	(os, clib, etc.).
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         October 2012
+################################################################################
+
+embtk_os-$(CONFIG_EMBTK_OS_LINUX)	:= linux
+embtk_os				:= $(or $(embtk_os-y),invalid-os)
+
+embtk_clib-$(CONFIG_EMBTK_CLIB_EGLIBC)	:= eglibc
+embtk_clib-$(CONFIG_EMBTK_CLIB_GLIBC)	:= glibc
+embtk_clib-$(CONFIG_EMBTK_CLIB_MUSL)	:= musl
+embtk_clib-$(CONFIG_EMBTK_CLIB_UCLIBC)	:= uclibc
+embtk_clib				:= $(or $(embtk_clib-y),invalid-clib)
+embtk_clib_version			:= $(call embtk_get_pkgversion,$(embtk_clib))
+
+#
+# Host development machine info
+#
+ifeq ($(findstring linux,$(HOST_ARCH)),linux)
+embtk_buildhost_os			:= linux
+embtk_buildhost_os_type			:= linux
+else ifeq ($(findstring freebsd,$(HOST_ARCH)),freebsd)
+embtk_buildhost_os			:= freebsd
+embtk_buildhost_os_type			:= bsd
+else ifeq ($(findstring netbsd,$(HOST_ARCH)),netbsd)
+embtk_buildhost_os			:= netbsd
+embtk_buildhost_os_type			:= bsd
+else ifeq ($(findstring openbsd,$(HOST_ARCH)),openbsd)
+embtk_buildhost_os			:= openbsd
+embtk_buildhost_os_type			:= bsd
+else ifeq ($(findstring apple,$(HOST_ARCH)),apple)
+embtk_buildhost_os			:= macos
+embtk_buildhost_os_type			:= bsd
+else
+embtk_buildhost_os			:= unknown-host-os
+endif
diff --git a/core/mk/uclibc.mk b/core/mk/uclibc.mk
new file mode 100755
index 0000000..2aa63ab
--- /dev/null
+++ b/core/mk/uclibc.mk
@@ -0,0 +1,145 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2014 Abdoulaye Walsimou GAYE.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+#
+# \file         uclibc.mk
+# \brief	uclibc.mk of Embtoolkit
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         August 2009
+################################################################################
+
+UCLIBC_NAME		:= uClibc
+UCLIBC_VERSION		:= $(call embtk_get_pkgversion,uClibc)
+UCLIBC_SITE		:= http://www.uclibc.org/downloads
+UCLIBC_GIT_SITE		:= git://git.busybox.net/uClibc
+UCLIBC_PACKAGE		:= uClibc-$(UCLIBC_VERSION).tar.bz2
+UCLIBC_SRC_DIR		:= $(embtk_toolsb)/uClibc-$(UCLIBC_VERSION)
+UCLIBC_BUILD_DIR	:= $(call __embtk_pkg_srcdir,uClibc)
+
+UCLIBC_HEADERS_NAME		:= uClibc_headers
+UCLIBC_HEADERS_VERSION		:= $(UCLIBC_VERSION)
+UCLIBC_HEADERS_SITE		:= $(UCLIBC_SITE)
+UCLIBC_HEADERS_GIT_SITE		:= $(UCLIBC_GIT_SITE)
+UCLIBC_HEADERS_PACKAGE		:= $(UCLIBC_PACKAGE)
+UCLIBC_HEADERS_SRC_DIR		:= $(UCLIBC_SRC_DIR)
+UCLIBC_HEADERS_BUILD_DIR	:= $(UCLIBC_BUILD_DIR)
+UCLIBC_HEADERS_KCONFIGS_NAME	:= UCLIBC
+
+UCLIBC_DOTCONFIG	:= $(UCLIBC_BUILD_DIR)/.config
+EMBTK_UCLIBC_CFLAGS	:= $(filter-out $(__clang_cflags),$(TARGET_CFLAGS))
+EMBTK_UCLIBC_CFLAGS	+= $(EMBTK_TARGET_MCPU)
+EMBTK_UCLIBC_CFLAGS	+= $(EMBTK_TARGET_ABI) $(EMBTK_TARGET_FLOAT_CFLAGS)
+EMBTK_UCLIBC_CFLAGS	+= $(EMBTK_TARGET_MARCH) -pipe
+
+#
+# uClibc libraries make options.
+#
+
+UCLIBC_MAKE_OPTS	:= PREFIX="$(embtk_sysroot)/"
+UCLIBC_MAKE_OPTS	+= CROSS_COMPILER_PREFIX="$(CROSS_COMPILE)"
+UCLIBC_MAKE_OPTS	+= MULTILIB_DIR="/$(LIBDIR)/"
+UCLIBC_MAKE_OPTS	+= RUNTIME_PREFIX="/" DEVEL_PREFIX="/usr/"
+UCLIBC_MAKE_OPTS	+= KERNEL_HEADERS="$(embtk_sysroot)/usr/include/"
+UCLIBC_MAKE_OPTS	+= UCLIBC_EXTRA_CFLAGS="$(EMBTK_UCLIBC_CFLAGS)"
+
+# FIXME: unset incorrect variables in uClibc (mainline) Rules.mak for MIPS
+ifeq ($(CONFIG_EMBTK_ARCH_MIPS),y)
+UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_1=""
+UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_2=""
+UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_3=""
+UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_4=""
+UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_MIPS32=""
+UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_MIPS32R2=""
+UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_ISA_MIPS64=""
+UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_N64_ABI=""
+UCLIBC_MAKE_OPTS	+= CONFIG_MIPS_N32_ABI=""
+endif
+
+#
+# Install dummy uClibc needed to build gcc stage 2
+#
+define __embtk_install_uclibc_dummy
+	$(TARGETGCC) -nostdlib -nostartfiles -shared -x c /dev/null		\
+				-o $(embtk_sysroot)/$(LIBDIR)/libc.so.0
+	echo '/* GNU ld script - Dummy uClibc linker script. */'		\
+		> $(embtk_sysroot)/usr/$(LIBDIR)/libc.so
+	$(TARGETGCC) -Wl,--verbose 2>&1 | sed -n '/OUTPUT_FORMAT/,/)/p'		\
+		>> $(embtk_sysroot)/usr/$(LIBDIR)/libc.so
+	echo 'GROUP(AS_NEEDED(libc.so.0))'					\
+		>> $(embtk_sysroot)/usr/$(LIBDIR)/libc.so
+endef
+
+#
+# uClibc libraries install
+#
+define embtk_install_uclibc
+	$(call embtk_makeinstall_pkg,uclibc)
+endef
+
+#
+# Uclibc headers install
+#
+define __embtk_install_uclibc_headers
+	$(call embtk_pinfo,"Install uClibc-$(UCLIBC_VERSION) headers ...")
+	$(call embtk_download_pkg,uClibc)
+	$(call embtk_decompress_pkg,uClibc)
+	$(MAKE) -C $(UCLIBC_BUILD_DIR) distclean
+	$(embtk_configure_uclibc)
+	$(MAKE) -C $(UCLIBC_BUILD_DIR) silentoldconfig
+	$(MAKE) -C $(UCLIBC_BUILD_DIR) $(UCLIBC_MAKE_OPTS) install_headers
+	$(MAKE) -C $(UCLIBC_BUILD_DIR) $(UCLIBC_MAKE_OPTS) install_startfiles
+	$(__embtk_install_uclibc_dummy)
+	$(call __embtk_setinstalled_pkg,uclibc_headers)
+	$(eval __embtk_uclibc_headers_installed := y)
+endef
+
+define embtk_install_uclibc_headers
+	$(if $(call __embtk_pkg_runrecipe-y,uclubc_headers),$(__embtk_install_uclibc_headers))
+endef
+
+#
+# Clean up macros
+#
+define __embtk_cleanup_uclibc
+	$(MAKE) -C $(UCLIBC_BUILD_DIR) distclean &&				\
+	$(call __embtk_unsetinstalled_pkg,uclibc) &&				\
+	$(call __embtk_unsetinstalled_pkg,uclibc_headers)
+endef
+define embtk_cleanup_uclibc
+	[ -e $(UCLIBC_BUILD_DIR)/Makefile ] && $(__embtk_cleanup_uclibc) ||:
+endef
+
+define embtk_cleanup_uclibc_headers
+	$(embtk_cleanup_uclibc)
+endef
+
+#
+# uClibc configuration macros and target
+#
+__embtk_get_uclibc_config=grep "CONFIG_KEMBTK_UCLIBC_" $(EMBTK_DOTCONFIG)
+__embtk_set_uclibc_config=sed -e 's/CONFIG_KEMBTK_UCLIBC_*//g' > $(UCLIBC_DOTCONFIG)
+define embtk_configure_uclibc
+	$(call embtk_pinfo,"Configure uClibc")
+	$(__embtk_get_uclibc_config) | $(__embtk_set_uclibc_config)
+endef
+
+#
+# downloads
+#
+download_uclibc download_uclibc_headers:
+	$(call embtk_download_pkg,uclibc)