Toolchain: linux headers: give ability use a git repository or and custom tarball source tree

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

7 files changed, 386 insertions, 225 deletions

diff --git a/core/kconfig/linux-custom.kconfig b/core/kconfig/linux-custom.kconfig
new file mode 100644
index 0000000..76e810d
--- /dev/null
+++ b/core/kconfig/linux-custom.kconfig
@@ -0,0 +1,87 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2015 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-generic.kconfig
+# \brief	linux kernel custom kconfig
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         December 2014
+################################################################################
+
+choice
+	prompt "Custom linux kernel source from"
+
+	config EMBTK_LINUX_SRC_CUSTOM_TARBALL
+		bool "tarball archive"
+		help
+		 Download a remote tarball and uncompress it.
+		 Note: If if the tarball is in the format linux-x.y.tar.gz,
+		 the uncompressed source tree is assumed to be linux-x.y
+
+	config EMBTK_LINUX_SRC_CUSTOM_GIT
+		bool "Git repository"
+		select EMBTK_LINUX_VERSION_GIT
+		help
+		 Use linux kernel source tree from a git repository.
+endchoice
+
+#
+# Custom tarball options
+#
+config EMBTK_LINUX_SRC_CUSTOM_URL
+	string "tarball URL (mandatory)"
+	depends on EMBTK_LINUX_SRC_CUSTOM_TARBALL
+	default "https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.14.27.tar.xz"
+	help
+	 Full URL of the tarball to download.
+
+config EMBTK_LINUX_VERSION_STRING
+	string
+	depends on EMBTK_LINUX_SRC_CUSTOM_TARBALL
+	default "custom"
+
+#
+# GIT repository options
+#
+config EMBTK_LINUX_VERSION_GIT
+	bool
+
+config EMBTK_LINUX_GIT_SITE
+	string "Repository URL (mandatory)"
+	depends on EMBTK_LINUX_VERSION_GIT
+	default "git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git"
+	help
+	 The the git repository URL to use.
+
+config EMBTK_LINUX_GIT_BRANCH
+	string "Branch to use"
+	depends on EMBTK_LINUX_VERSION_GIT
+	default "master"
+	help
+	 The branch of the git repository to use, the default is master.
+
+config EMBTK_LINUX_GIT_REVISION
+	string "Checkout a specific revision instead of the latest"
+	depends on EMBTK_LINUX_VERSION_GIT
+	help
+	 Chechout a specific revision instead of the latest.
+
+config EMBTK_LINUX_REFSPEC
+	string
+	depends on EMBTK_LINUX_VERSION_GIT
+	default "toolchain"
diff --git a/core/kconfig/linux-generic.kconfig b/core/kconfig/linux-generic.kconfig
new file mode 100644
index 0000000..a25e559
--- /dev/null
+++ b/core/kconfig/linux-generic.kconfig
@@ -0,0 +1,242 @@
+################################################################################
+# Embtoolkit
+# Copyright(C) 2009-2015 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-generic.kconfig
+# \brief	linux kernel generic kconfig
+# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
+# \date         December 2014
+################################################################################
+
+choice
+	prompt "Generic linux version to use"
+	help
+	 Here you can choose which Linux kernel headers you want to use.
+
+	config EMBTK_LINUX_VERSION_3_16_X
+		bool "linux-3.16.x"
+		help
+		 Use a linux-3.16.x version.
+	config EMBTK_LINUX_VERSION_3_15_X
+		bool "linux-3.15.x"
+		help
+		 Use a linux-3.15.x version.
+	config EMBTK_LINUX_VERSION_3_14_X
+		bool "linux-3.14.x"
+		help
+		 Use a linux-3.14.x version.
+	config EMBTK_LINUX_VERSION_3_13_X
+		bool "linux-3.13.x"
+		help
+		 Use a linux-3.13.x version.
+	config EMBTK_LINUX_VERSION_3_12_X
+		bool "linux-3.12.x"
+		help
+		 Use a linux-3.12.x version.
+	config EMBTK_LINUX_VERSION_3_11_X
+		bool "linux-3.11.x"
+		help
+		 Use a linux-3.11.x version.
+	config EMBTK_LINUX_VERSION_3_10_X
+		bool "linux-3.10.x"
+		help
+		 Use a linux-3.10.x version.
+	config EMBTK_LINUX_VERSION_3_9_X
+		bool "linux-3.9.x"
+		help
+		 Use a linux-3.9.x version.
+	config EMBTK_LINUX_VERSION_3_8_X
+		bool "linux-3.8.x"
+		help
+		 Use a linux-3.8.x version.
+	config EMBTK_LINUX_VERSION_3_7_X
+		bool "linux-3.7.x"
+		help
+		 Use a linux-3.7.x version.
+	config EMBTK_LINUX_VERSION_3_6_X
+		bool "linux-3.6.x"
+		help
+		 Use a linux-3.6.x version.
+	config EMBTK_LINUX_VERSION_3_5_X
+		bool "linux-3.5.x"
+		help
+		 Use a linux-3.5.x version.
+	config EMBTK_LINUX_VERSION_3_4_X
+		bool "linux-3.4.x"
+		help
+		 Use a linux-3.4.x version.
+	config EMBTK_LINUX_VERSION_3_3_X
+		bool "linux-3.3.x"
+		help
+		 Use a linux-3.3.x version.
+	config EMBTK_LINUX_VERSION_3_2_X
+		bool "linux-3.2.x"
+		help
+		 Use a linux-3.2.x version.
+	config EMBTK_LINUX_VERSION_3_1_X
+		bool "linux-3.1.x"
+		help
+		 Use a linux-3.1.x version.
+	config EMBTK_LINUX_VERSION_3_0_X
+		bool "linux-3.0.x"
+		help
+		 Use a linux-3.0.x version.
+	config EMBTK_LINUX_VERSION_2_6_39_X
+		bool "linux-2.6.39.x"
+		help
+		 Use a linux-2.6.39.x version.
+	config EMBTK_LINUX_VERSION_2_6_38_X
+		bool "linux-2.6.38.x"
+		help
+		 Use a linux-2.6.38.x version.
+	config EMBTK_LINUX_VERSION_2_6_37_X
+		bool "linux-2.6.37.x"
+		help
+		 Use a linux-2.6.37.x version.
+	config EMBTK_LINUX_VERSION_2_6_36_X
+		bool "linux-2.6.36.x"
+		help
+		 Use a linux-2.6.36.x version.
+	config EMBTK_LINUX_VERSION_2_6_35_X
+		bool "linux-2.6.35.x"
+		help
+		 Use a linux-2.6.35.x version.
+	config EMBTK_LINUX_VERSION_2_6_34_X
+		bool "linux-2.6.34.x"
+		help
+		 Use a linux-2.6.34.x version.
+	config EMBTK_LINUX_VERSION_2_6_33_X
+		bool "linux-2.6.33.x"
+		help
+		 Use a linux-2.6.33.x version.
+	config EMBTK_LINUX_VERSION_2_6_32_X
+		bool "linux-2.6.32.x"
+		help
+		 Use a linux-2.6.32.x version.
+endchoice
+
+if EMBTK_LINUX_VERSION_3_16_X
+source core/kconfig/linux-kconfigs/linux-3.16.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_15_X
+source core/kconfig/linux-kconfigs/linux-3.15.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_14_X
+source core/kconfig/linux-kconfigs/linux-3.14.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_13_X
+source core/kconfig/linux-kconfigs/linux-3.13.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_12_X
+source core/kconfig/linux-kconfigs/linux-3.12.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_11_X
+source core/kconfig/linux-kconfigs/linux-3.11.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_10_X
+source core/kconfig/linux-kconfigs/linux-3.10.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_9_X
+source core/kconfig/linux-kconfigs/linux-3.9.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_8_X
+source core/kconfig/linux-kconfigs/linux-3.8.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_7_X
+source core/kconfig/linux-kconfigs/linux-3.7.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_6_X
+source core/kconfig/linux-kconfigs/linux-3.6.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_5_X
+source core/kconfig/linux-kconfigs/linux-3.5.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_4_X
+source core/kconfig/linux-kconfigs/linux-3.4.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_3_X
+source core/kconfig/linux-kconfigs/linux-3.3.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_2_X
+source core/kconfig/linux-kconfigs/linux-3.2.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_1_X
+source core/kconfig/linux-kconfigs/linux-3.1.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_3_0_X
+source core/kconfig/linux-kconfigs/linux-3.0.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_2_6_39_X
+source core/kconfig/linux-kconfigs/linux-2.6.39.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_2_6_38_X
+source core/kconfig/linux-kconfigs/linux-2.6.38.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_2_6_37_X
+source core/kconfig/linux-kconfigs/linux-2.6.37.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_2_6_36_X
+source core/kconfig/linux-kconfigs/linux-2.6.36.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_2_6_35_X
+source core/kconfig/linux-kconfigs/linux-2.6.35.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_2_6_34_X
+source core/kconfig/linux-kconfigs/linux-2.6.34.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_2_6_33_X
+source core/kconfig/linux-kconfigs/linux-2.6.33.kconfig
+endif
+
+if EMBTK_LINUX_VERSION_2_6_32_X
+source core/kconfig/linux-kconfigs/linux-2.6.32.kconfig
+endif
+
+config EMBTK_LINUX_HAVE_MIRROR
+	bool "Use a linux mirror"
+	help
+	 specify an alternate location where to download linux sources.
+config EMBTK_LINUX_HAVE_MIRROR_SITE
+	depends on EMBTK_LINUX_HAVE_MIRROR
+	string "Mirror site"
+	default "ftp://ftp.embtoolkit.org/embtoolkit.org/packages-mirror"
+	help
+	 specify an alternate location where to download linux sources
diff --git a/core/kconfig/linux.kconfig b/core/kconfig/linux.kconfig
index abefb70..7abcb95 100644
--- a/core/kconfig/linux.kconfig
+++ b/core/kconfig/linux.kconfig
@@ -1,6 +1,6 @@
 #################################################################################
 # Embtoolkit
-# Copyright(C) 2009-2014 Abdoulaye Walsimou GAYE.
+# Copyright(C) 2009-2015 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
@@ -24,222 +24,28 @@
 ################################################################################
 
 choice
-	prompt "Linux series to use"
+	prompt "Linux kernel source"
 	help
-	 Here you can choose which Linux kernel headers you want to use.
+	 Which linux kernel to use and where to find it.
 
-	config EMBTK_LINUX_VERSION_3_16_X
-		bool "linux-3.16.x"
+	config EMBTK_LINUX_SRC_GENERIC
+		bool "Generic"
 		help
-		 Use a linux-3.16.x version.
-	config EMBTK_LINUX_VERSION_3_15_X
-		bool "linux-3.15.x"
+		 To build the toolchain, use generic kernel source tree from
+		 kernel.org.
+	config EMBTK_LINUX_SRC_CUSTOM
+		bool "Custom"
 		help
-		 Use a linux-3.15.x version.
-	config EMBTK_LINUX_VERSION_3_14_X
-		bool "linux-3.14.x"
-		help
-		 Use a linux-3.14.x version.
-	config EMBTK_LINUX_VERSION_3_13_X
-		bool "linux-3.13.x"
-		help
-		 Use a linux-3.13.x version.
-	config EMBTK_LINUX_VERSION_3_12_X
-		bool "linux-3.12.x"
-		help
-		 Use a linux-3.12.x version.
-	config EMBTK_LINUX_VERSION_3_11_X
-		bool "linux-3.11.x"
-		help
-		 Use a linux-3.11.x version.
-	config EMBTK_LINUX_VERSION_3_10_X
-		bool "linux-3.10.x"
-		help
-		 Use a linux-3.10.x version.
-	config EMBTK_LINUX_VERSION_3_9_X
-		bool "linux-3.9.x"
-		help
-		 Use a linux-3.9.x version.
-	config EMBTK_LINUX_VERSION_3_8_X
-		bool "linux-3.8.x"
-		help
-		 Use a linux-3.8.x version.
-	config EMBTK_LINUX_VERSION_3_7_X
-		bool "linux-3.7.x"
-		help
-		 Use a linux-3.7.x version.
-	config EMBTK_LINUX_VERSION_3_6_X
-		bool "linux-3.6.x"
-		help
-		 Use a linux-3.6.x version.
-	config EMBTK_LINUX_VERSION_3_5_X
-		bool "linux-3.5.x"
-		help
-		 Use a linux-3.5.x version.
-	config EMBTK_LINUX_VERSION_3_4_X
-		bool "linux-3.4.x"
-		help
-		 Use a linux-3.4.x version.
-	config EMBTK_LINUX_VERSION_3_3_X
-		bool "linux-3.3.x"
-		help
-		 Use a linux-3.3.x version.
-	config EMBTK_LINUX_VERSION_3_2_X
-		bool "linux-3.2.x"
-		help
-		 Use a linux-3.2.x version.
-	config EMBTK_LINUX_VERSION_3_1_X
-		bool "linux-3.1.x"
-		help
-		 Use a linux-3.1.x version.
-	config EMBTK_LINUX_VERSION_3_0_X
-		bool "linux-3.0.x"
-		help
-		 Use a linux-3.0.x version.
-	config EMBTK_LINUX_VERSION_2_6_39_X
-		bool "linux-2.6.39.x"
-		help
-		 Use a linux-2.6.39.x version.
-	config EMBTK_LINUX_VERSION_2_6_38_X
-		bool "linux-2.6.38.x"
-		help
-		 Use a linux-2.6.38.x version.
-	config EMBTK_LINUX_VERSION_2_6_37_X
-		bool "linux-2.6.37.x"
-		help
-		 Use a linux-2.6.37.x version.
-	config EMBTK_LINUX_VERSION_2_6_36_X
-		bool "linux-2.6.36.x"
-		help
-		 Use a linux-2.6.36.x version.
-	config EMBTK_LINUX_VERSION_2_6_35_X
-		bool "linux-2.6.35.x"
-		help
-		 Use a linux-2.6.35.x version.
-	config EMBTK_LINUX_VERSION_2_6_34_X
-		bool "linux-2.6.34.x"
-		help
-		 Use a linux-2.6.34.x version.
-	config EMBTK_LINUX_VERSION_2_6_33_X
-		bool "linux-2.6.33.x"
-		help
-		 Use a linux-2.6.33.x version.
-	config EMBTK_LINUX_VERSION_2_6_32_X
-		bool "linux-2.6.32.x"
-		help
-		 Use a linux-2.6.32.x version.
+		 Use your own custom linux kernel source tree.
 endchoice
 
-if EMBTK_LINUX_VERSION_3_16_X
-source core/kconfig/linux-kconfigs/linux-3.16.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_15_X
-source core/kconfig/linux-kconfigs/linux-3.15.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_14_X
-source core/kconfig/linux-kconfigs/linux-3.14.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_13_X
-source core/kconfig/linux-kconfigs/linux-3.13.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_12_X
-source core/kconfig/linux-kconfigs/linux-3.12.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_11_X
-source core/kconfig/linux-kconfigs/linux-3.11.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_10_X
-source core/kconfig/linux-kconfigs/linux-3.10.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_9_X
-source core/kconfig/linux-kconfigs/linux-3.9.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_8_X
-source core/kconfig/linux-kconfigs/linux-3.8.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_7_X
-source core/kconfig/linux-kconfigs/linux-3.7.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_6_X
-source core/kconfig/linux-kconfigs/linux-3.6.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_5_X
-source core/kconfig/linux-kconfigs/linux-3.5.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_4_X
-source core/kconfig/linux-kconfigs/linux-3.4.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_3_X
-source core/kconfig/linux-kconfigs/linux-3.3.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_2_X
-source core/kconfig/linux-kconfigs/linux-3.2.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_1_X
-source core/kconfig/linux-kconfigs/linux-3.1.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_3_0_X
-source core/kconfig/linux-kconfigs/linux-3.0.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_2_6_39_X
-source core/kconfig/linux-kconfigs/linux-2.6.39.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_2_6_38_X
-source core/kconfig/linux-kconfigs/linux-2.6.38.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_2_6_37_X
-source core/kconfig/linux-kconfigs/linux-2.6.37.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_2_6_36_X
-source core/kconfig/linux-kconfigs/linux-2.6.36.kconfig
+if EMBTK_LINUX_SRC_GENERIC
+source "core/kconfig/linux-generic.kconfig"
 endif
 
-if EMBTK_LINUX_VERSION_2_6_35_X
-source core/kconfig/linux-kconfigs/linux-2.6.35.kconfig
+if EMBTK_LINUX_SRC_CUSTOM
+source "core/kconfig/linux-custom.kconfig"
 endif
 
-if EMBTK_LINUX_VERSION_2_6_34_X
-source core/kconfig/linux-kconfigs/linux-2.6.34.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_2_6_33_X
-source core/kconfig/linux-kconfigs/linux-2.6.33.kconfig
-endif
-
-if EMBTK_LINUX_VERSION_2_6_32_X
-source core/kconfig/linux-kconfigs/linux-2.6.32.kconfig
-endif
-
-config EMBTK_LINUX_HAVE_MIRROR
-	bool "Use a linux mirror"
-	help
-	 specify an alternate location where to download linux sources.
-config EMBTK_LINUX_HAVE_MIRROR_SITE
-	depends on EMBTK_LINUX_HAVE_MIRROR
-	string "Mirror site"
-	default "ftp://ftp.embtoolkit.org/embtoolkit.org/packages-mirror"
-	help
-	 specify an alternate location where to download linux sources
-
 config EMBTK_LINUX_NEED_PATCH
 	bool
diff --git a/core/mk/pkg-macros/vars.mk b/core/mk/pkg-macros/vars.mk
index 0dcbf2f..e622c1c 100644
--- a/core/mk/pkg-macros/vars.mk
+++ b/core/mk/pkg-macros/vars.mk
@@ -1,6 +1,6 @@
 ################################################################################
 # Embtoolkit
-# Copyright(C) 2014 Abdoulaye Walsimou GAYE.
+# Copyright(C) 2009-2015 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
@@ -64,6 +64,20 @@ __embtk_pkg_mirror2		= $(strip $($(PKGV)_MIRROR2))
 __embtk_pkg_mirror3		= $(strip $($(PKGV)_MIRROR3))
 __embtk_pkg_package		= $(strip $($(PKGV)_PACKAGE))
 __embtk_pkg_package_remote	= $(or $(strip $($(PKGV)_PACKAGE_REMOTE)),$(__embtk_pkg_package))
+__embtk_pkg_tarball_fmt		= $(or $(__embtk_pkg_tarball_targz),\
+					$(__embtk_pkg_tarball_tgz),\
+					$(__embtk_pkg_tarball_tarbz2),\
+					$(__embtk_pkg_tarball_tbz2),\
+					$(__embtk_pkg_tarball_tarxz),\
+					$(__embtk_pkg_tarball_txz),\
+					$(__embtk_pkg_tarball_tar))
+__embtk_pkg_tarball_targz	= $(if $(filter %.tar.gz,$(__embtk_pkg_package)),tar.gz)
+__embtk_pkg_tarball_tgz		= $(if $(filter %.tgz,$(__embtk_pkg_package)),tgz)
+__embtk_pkg_tarball_tarbz2	= $(if $(filter %.tar.bz2,$(__embtk_pkg_package)),tar.bz2)
+__embtk_pkg_tarball_tbz2	= $(if $(filter %.tbz2,$(__embtk_pkg_package)),tbz2)
+__embtk_pkg_tarball_tarxz	= $(if $(filter %.tar.xz,$(__embtk_pkg_package)),tar.xz)
+__embtk_pkg_tarball_txz		= $(if $(filter %.txz,$(__embtk_pkg_package)),txz)
+__embtk_pkg_tarball_tar		= $(if $(filter %.tar,$(__embtk_pkg_package)),tar)
 
 __embtk_pkg_refspec		= $(or $(call __embtk_mk_uquote,$(CONFIG_EMBTK_$(PKGV)_REFSPEC)),$(__embtk_$(pkgv)_category))
 
@@ -144,3 +158,4 @@ __embtk_pkg_usewaf-y		= $(CONFIG_EMBTK_$(PKGV)_USE_WAF)
 # Variables/macros defined here exported for use externally
 #
 embtk_pkg_srcdir                = $(__embtk_pkg_srcdir)
+embtk_pkg_tarball_fmt		= $(__embtk_pkg_tarball_fmt)
diff --git a/core/toolchain/linux/common.mk b/core/toolchain/linux/common.mk
index 61c8917..7b3accb 100644
--- a/core/toolchain/linux/common.mk
+++ b/core/toolchain/linux/common.mk
@@ -1,6 +1,6 @@
 ################################################################################
 # Embtoolkit
-# Copyright(C) 2009-2014 Abdoulaye Walsimou GAYE.
+# Copyright(C) 2009-2015 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
@@ -23,19 +23,28 @@
 # \date         May 2009
 ################################################################################
 
-pembtk_linux_site        = $(or $(pembtk_linux_site_mirror),$(pembtk_linux_site_full))
-pembtk_linux_site_mirror = $(call embtk_uquote,$(CONFIG_EMBTK_LINUX_HAVE_MIRROR))
-pembtk_linux_site_full   = $(pembtk_linux_site_base)/$(LINUX_MAJORV)$(pembtk_linux_longterm_v)
-pembtk_linux_site_base   = http://ftp.kernel.org/pub/linux/kernel
-pembtk_linux_longterm_v  = $(if $(LINUX_LONGTERMV),/longterm/$(LINUX_LONGTERMV))
+pembtk_linux_site            = $(or $(pembtk_linux_site_mirror),$(pembtk_linux_site_custom),$(pembtk_linux_site_full))
+pembtk_linux_site_mirror     = $(call embtk_uquote,$(CONFIG_EMBTK_LINUX_HAVE_MIRROR))
+pembtk_linux_site_custom     = $(dir $(call embtk_uquote,$(CONFIG_EMBTK_LINUX_SRC_CUSTOM_URL)))
+pembtk_linux_site_full       = $(pembtk_linux_site_base)/$(LINUX_MAJORV)$(pembtk_linux_longterm_v)
+pembtk_linux_site_base       = http://ftp.kernel.org/pub/linux/kernel
+pembtk_linux_longterm_v      = $(if $(LINUX_LONGTERMV),/longterm/$(LINUX_LONGTERMV))
+
+pembtk_linux_package         = $(or $(pembtk_linux_package_custom),$(pembtk_linux_package_generic))
+pembtk_linux_package_custom  = $(notdir $(call embtk_uquote,$(CONFIG_EMBTK_LINUX_SRC_CUSTOM_URL)))
+pembtk_linux_package_generic = linux-$(LINUX_VERSION).tar.xz
+
+pembtk_commonlinux_srcdir    = $(or $(pembtk_linux_srcdir_custom),$(pembtk_linux_srcdir_generic))
+pembtk_linux_srcdir_custom   = $(patsubst %.$(call embtk_pkg_tarball_fmt,linux),%,$(pembtk_linux_package_custom))
+pembtk_linux_srcdir_generic  = linux-$(LINUX_VERSION)
 
 LINUX_NAME	:= linux
 LINUX_MAJORV	:= $(call embtk_pkg_version,linux_major)
 LINUX_LONGTERMV	:= $(call embtk_pkg_version,linux_longterm)
 LINUX_VERSION	:= $(call embtk_pkg_version,linux)
 LINUX_SITE	:= $(pembtk_linux_site)
-LINUX_PACKAGE	:= linux-$(LINUX_VERSION).tar.xz
-LINUX_SRC_DIR	:= $(embtk_toolsb)/linux-$(LINUX_VERSION)
+LINUX_PACKAGE	:= $(pembtk_linux_package)
+LINUX_SRC_DIR	:= $(embtk_toolsb)/$(pembtk_commonlinux_srcdir)
 LINUX_BUILD_DIR	:= $(call embtk_pkg_srcdir,linux)
 
 LINUX_KEEP_SRC_DIR := $(CONFIG_EMBTK_BUILD_LINUX_KERNEL)
diff --git a/core/toolchain/linux/headers.mk b/core/toolchain/linux/headers.mk
index 866d039..0a4518b 100644
--- a/core/toolchain/linux/headers.mk
+++ b/core/toolchain/linux/headers.mk
@@ -1,6 +1,6 @@
 ################################################################################
 # Embtoolkit
-# Copyright(C) 2009-2014 Abdoulaye Walsimou GAYE.
+# Copyright(C) 2009-2015 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
@@ -27,8 +27,9 @@ LINUX_HEADERS_NAME	:= linux
 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_SRC_DIR	:= $(call embtk_pkg_srcdir,linux)
+LINUX_HEADERS_BUILD_DIR	:= $(call embtk_pkg_srcdir,linux)
+
 LINUX_HEADERS_KEEP_SRC_DIR  := $(LINUX_KEEP_SRC_DIR)
 LINUX_HEADERS_KCONFIGS_NAME := LINUX
 
@@ -48,5 +49,5 @@ define embtk_install_linux_headers
 endef
 
 define embtk_cleanup_linux_headers
-	[ -d $(LINUX_BUILD_DIR) ] && $(call __embtk_unsetinstalled_pkg,linux_headers) ||:
+	[ -d $(LINUX_HEADERS_BUILD_DIR) ] && $(call __embtk_unsetinstalled_pkg,linux_headers) ||:
 endef
diff --git a/core/toolchain/linux/linux.mk b/core/toolchain/linux/linux.mk
index 1fe8fcc..d3d2ede 100644
--- a/core/toolchain/linux/linux.mk
+++ b/core/toolchain/linux/linux.mk
@@ -1,6 +1,6 @@
 #################################################################################
 # Embtoolkit
-# Copyright(C) 2009-2014 Abdoulaye Walsimou GAYE.
+# Copyright(C) 2009-2015 Abdoulaye Walsimou GAYE.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -64,7 +64,7 @@ endef
 ifeq ($(embtk_buildhost_os),macos)
 define embtk_beforeinstall_linux
 	cp $(EMBTK_ROOT)/scripts/unifdef.c					\
-		$(LINUX_SRC_DIR)/scripts/unifdef.c
+		$(pembtk_linux_srcdir)/scripts/unifdef.c
 endef
 endif
 
@@ -114,8 +114,9 @@ LINUX_MODULES_NAME	:= linux
 LINUX_MODULES_VERSION	:= $(LINUX_VERSION)
 LINUX_MODULES_SITE	:= $(LINUX_SITE)
 LINUX_MODULES_PACKAGE	:= $(LINUX_PACKAGE)
-LINUX_MODULES_SRC_DIR	:= $(LINUX_SRC_DIR)
-LINUX_MODULES_BUILD_DIR	:= $(LINUX_BUILD_DIR)
+LINUX_MODULES_SRC_DIR	:= $(pembtk_linux_srcdir)
+LINUX_MODULES_BUILD_DIR	:= $(pembtk_linux_srcdir)
+
 LINUX_MODULES_KCONFIGS_NAME := LINUX
 LINUX_MODULES_KEEP_SRC_DIR  := $(LINUX_KEEP_SRC_DIR)