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################################################################################
# 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
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_HEADERS_KEEP_SRC_DIR := y
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)"
UCLIBC_MAKE_OPTS += HOSTCC="$(HOSTCC)"
# FIXME: unset incorrect variables in uClibc (mainline) Rules.mak for MIPS
ifeq ($(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
ifeq ($(embtk_buildhost_os),macos)
define embtk_beforeinstall_uclibc
cp $(EMBTK_ROOT)/scripts/unifdef.c \
$(UCLIBC_BUILD_DIR)/extra/scripts/unifdef.c
endef
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
$(MAKE) -C $(UCLIBC_BUILD_DIR) distclean
$(embtk_configure_uclibc)
$(MAKE) -C $(UCLIBC_BUILD_DIR) $(UCLIBC_MAKE_OPTS) 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)
endef
define embtk_install_uclibc_headers
$(embtk_beforeinstall_uclibc)
$(__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)
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