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9eaad202f1
buildrootschalter/toolchain/gcc/gcc-uclibc-4.x.mk
Thomas Petazzoni 9eaad202f1 toolchain: rework thread options 
The selection of linuxthreads, linuxthreads old or NPTL doesn't make a
lot of sense for external toolchains. So, instead, we :

 * Introduce an hidden BR2_TOOLCHAIN_HAS_THREADS option, which must be
   selected by toolchain specific options when thread support is
   available. Package needing to test thread support should use this
   option.

 * Move the none/linuxthreads/linuxthreads old/NPTL selection to
   Buildroot internal toolchain configuration.

 * Add an option in external toolchain to tell if thread support is
   available or not in the external toolchain. We assume that glibc
   without threads is not possible, as Ulrich Drepper said in
   http://sourceware.org/ml/libc-alpha/2005-08/msg00091.html

ffmpeg, dmalloc and openvpn are fixed to use the new
BR2_TOOLCHAIN_HAS_THREADS option. For openvpn, --enable-threads=posix
is no longer used, as the configure script doesn't even understand
this option.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-12-13 22:26:41 +01:00

578 lines
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Makefile
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# Makefile for to build a gcc/uClibc toolchain
#
# Copyright (C) 2002-2003 Erik Andersen <andersen@uclibc.org>
# Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.org>
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
ifneq ($(GCC_SNAP_DATE),)
GCC_SITE:=ftp://sources.redhat.com/pub/gcc/snapshots/$(GCC_VERSION)
else ifeq ($(findstring avr32,$(GCC_VERSION)),avr32)
GCC_SITE:=ftp://www.at91.com/pub/buildroot/
else
GCC_SITE:=$(BR2_GNU_MIRROR)/gcc/gcc-$(GCC_VERSION)
endif
ifneq ($(filter xtensa%,$(ARCH)),)
include target/xtensa/patch.in
GCC_PATCH_EXTRA:=$(call XTENSA_PATCH,gcc,$(GCC_PATCH_DIR),. ..)
endif
GCC_SOURCE:=gcc-$(GCC_VERSION).tar.bz2
GCC_PATCH_DIR:=toolchain/gcc/$(GCC_VERSION)
GCC_DIR:=$(TOOLCHAIN_DIR)/gcc-$(GCC_VERSION)
GCC_CAT:=$(BZCAT)
GCC_STRIP_HOST_BINARIES:=nope
GCC_SRC_DIR:=$(GCC_DIR)
# Branding works on >= 4.3
ifneq ($(findstring x4.2.,x$(GCC_VERSION)),x4.2.)
EXTRA_GCC_CONFIG_OPTIONS+=--with-pkgversion="Buildroot $(BR2_VERSION_FULL)" \
--with-bugurl="http://bugs.buildroot.net/"
endif
# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43810
# Workaround until it's fixed in 4.5.2 or later
ifeq ($(ARCH),powerpc)
ifeq ($(findstring x4.5.,x$(GCC_VERSION)),x4.5.)
GCC_OPTSPACE=--disable-target-optspace
endif
else
GCC_OPTSPACE=--enable-target-optspace
endif
GCC_TARGET_PREREQ=
GCC_STAGING_PREREQ=
#############################################################
#
# Setup some initial stuff
#
#############################################################
GCC_STAGING_PREREQ+=$(STAGING_DIR)/usr/lib/libc.a
GCC_TARGET_LANGUAGES:=c
GCC_CROSS_LANGUAGES:=c
ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),c++
endif
ifeq ($(BR2_GCC_CROSS_FORTRAN),y)
GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),fortran
endif
ifeq ($(BR2_GCC_CROSS_JAVA),y)
GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),java
endif
ifeq ($(BR2_GCC_CROSS_OBJC),y)
GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),objc
endif
GCC_COMMON_PREREQ=$(wildcard $(BR2_DEPENDS_DIR)/br2/install/libstdcpp*)\
$(wildcard $(BR2_DEPENDS_DIR)/br2/install/libgcj*)\
$(wildcard $(BR2_DEPENDS_DIR)/br2/install/objc*)\
$(wildcard $(BR2_DEPENDS_DIR)/br2/install/fortran*)\
$(wildcard $(BR2_DEPENDS_DIR)/br2/prefer/ima*)\
$(wildcard $(BR2_DEPENDS_DIR)/br2/toolchain/sysroot*)\
$(wildcard $(BR2_DEPENDS_DIR)/br2/use/sjlj/exceptions*)\
$(wildcard $(BR2_DEPENDS_DIR)/br2/gcc/shared/libgcc*)
GCC_TARGET_PREREQ+=$(GCC_COMMON_PREREQ) \
$(wildcard $(BR2_DEPENDS_DIR)/br2/extra/target/gcc/config/options*)
GCC_STAGING_PREREQ+=$(GCC_COMMON_PREREQ) \
$(wildcard $(BR2_DEPENDS_DIR)/br2/extra/gcc/config/options*)\
$(wildcard $(BR2_DEPENDS_DIR)/br2/gcc/cross/*)
ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),c++
endif
ifeq ($(BR2_INSTALL_LIBGCJ),y)
GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),java
endif
ifeq ($(BR2_INSTALL_OBJC),y)
GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),objc
endif
GCC_WITH_HOST_GMP=--with-gmp=$(GMP_HOST_DIR)
GCC_WITH_HOST_MPFR=--with-mpfr=$(MPFR_HOST_DIR)
HOST_SOURCE += host-libgmp-source host-libmpfr-source
ifeq ($(findstring x4.5.,x$(GCC_VERSION)),x4.5.)
GCC_WITH_HOST_MPC=--with-mpc=$(MPC_HOST_DIR)
HOST_SOURCE += host-libmpc-source
endif
ifeq ($(BR2_INSTALL_FORTRAN),y)
GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),fortran
#GCC_TARGET_PREREQ+=$(TARGET_DIR)/usr/lib/libmpfr.so $(TARGET_DIR)/usr/lib/libgmp.so
#GCC_STAGING_PREREQ+=$(TOOLCHAIN_DIR)/mpfr/lib/libmpfr.so
GCC_WITH_TARGET_GMP=--with-gmp="$(GMP_TARGET_DIR)"
GCC_WITH_TARGET_MPFR=--with-mpfr="$(MPFR_TARGET_DIR)"
ifeq ($(findstring x4.5.,x$(GCC_VERSION)),x4.5.)
GCC_WITH_TARGET_MPC=--with-mpc="$(MPC_TARGET_DIR)"
endif
endif
ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
GCC_SHARED_LIBGCC:=--enable-shared
else
GCC_SHARED_LIBGCC:=--disable-shared
endif
ifeq ($(BR2_GCC_ENABLE_TLS),y)
GCC_TLS:=--enable-tls
else
GCC_TLS:=--disable-tls
endif
ifeq ($(BR2_PTHREADS_NONE),y)
THREADS:=--disable-threads
else
THREADS:=--enable-threads
endif
ifeq ($(BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE),y)
GCC_DECIMAL_FLOAT:=--disable-decimal-float
endif
# gcc version < 4.2.0 don't have -Wno-overlength-strings and the configure
# script has problems detecting it, so help it
ifeq ($(shell test $(HOSTCC_VERSION) -lt 420 && echo OLD),OLD)
GCC_CONF_ENV:=acx_cv_prog_cc_pedantic__Wno_long_long__Wno_variadic_macros_____________Wno_overlength_strings=no \
acx_cv_prog_cc_warning__Wno_overlength_strings=no
endif
HOST_SOURCE+=gcc-source
$(DL_DIR)/$(GCC_SOURCE):
mkdir -p $(DL_DIR)
$(call DOWNLOAD,$(GCC_SITE),$(GCC_SOURCE))
gcc-unpacked: $(GCC_DIR)/.patched
$(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE)
mkdir -p $(TOOLCHAIN_DIR)
rm -rf $(GCC_DIR)
$(GCC_CAT) $(DL_DIR)/$(GCC_SOURCE) | tar -C $(TOOLCHAIN_DIR) $(TAR_OPTIONS) -
$(CONFIG_UPDATE) $(@D)
touch $@
gcc-patched: $(GCC_DIR)/.patched
$(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked
# Apply any files named gcc-*.patch from the source directory to gcc
ifneq ($(wildcard $(GCC_PATCH_DIR)),)
toolchain/patch-kernel.sh $(GCC_DIR) $(GCC_PATCH_DIR) \*.patch $(GCC_PATCH_EXTRA)
endif
# Note: The soft float situation has improved considerably with gcc 3.4.x.
# We can dispense with the custom spec files, as well as libfloat for the arm case.
# However, we still need a patch for arm. There's a similar patch for gcc 3.3.x
# which needs to be integrated so we can kill of libfloat for good, except for
# anyone (?) who might still be using gcc 2.95. mjn3
ifeq ($(BR2_SOFT_FLOAT),y)
ifeq ("$(strip $(ARCH))","arm")
toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
endif
ifeq ("$(strip $(ARCH))","armeb")
toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
endif
endif
ifeq ($(ARCH)-$(BR2_GCC_SHARED_LIBGCC),powerpc-y)
ifneq ($(BR2_SOFT_FLOAT),)
toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) powerpc-link-with-math-lib.patch.conditional
endif
endif
touch $@
#############################################################
#
# build the first pass gcc compiler
#
#############################################################
GCC_BUILD_DIR1:=$(TOOLCHAIN_DIR)/gcc-$(GCC_VERSION)-initial
# The --without-headers option stopped working with gcc 3.0 and has never been
# fixed, so we need to actually have working C library header files prior to
# the step or libgcc will not build...
$(GCC_BUILD_DIR1)/.configured: $(GCC_DIR)/.patched
mkdir -p $(GCC_BUILD_DIR1)
(cd $(GCC_BUILD_DIR1); rm -rf config.cache; \
$(HOST_CONFIGURE_OPTS) \
$(GCC_DIR)/configure $(QUIET) \
--prefix=$(STAGING_DIR)/usr \
--build=$(GNU_HOST_NAME) \
--host=$(GNU_HOST_NAME) \
--target=$(REAL_GNU_TARGET_NAME) \
--enable-languages=c \
$(BR2_CONFIGURE_DEVEL_SYSROOT) \
--disable-__cxa_atexit \
$(GCC_OPTSPACE) \
--with-gnu-ld \
--disable-shared \
--disable-libssp \
--without-headers \
--with-newlib \
--disable-multilib \
$(GCC_TLS) \
$(GCC_WITH_HOST_GMP) \
$(GCC_WITH_HOST_MPFR) \
$(GCC_WITH_HOST_MPC) \
$(DISABLE_NLS) \
$(THREADS) \
$(GCC_DECIMAL_FLOAT) \
$(SOFT_FLOAT_CONFIG_OPTION) \
$(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) $(GCC_WITH_CPU) \
$(EXTRA_GCC_CONFIG_OPTIONS) \
$(EXTRA_GCC1_CONFIG_OPTIONS) \
$(QUIET) \
)
touch $@
$(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured
# gcc >= 4.3.0 have to also build all-target-libgcc
ifeq ($(BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE),y)
$(GCC_CONF_ENV) $(MAKE) -C $(GCC_BUILD_DIR1) all-gcc
else
$(MAKE) -C $(GCC_BUILD_DIR1) all-gcc
endif
touch $@
gcc_initial=$(GCC_BUILD_DIR1)/.installed
$(gcc_initial) $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc: $(GCC_BUILD_DIR1)/.compiled
# gcc >= 4.3.0 have to also install install-target-libgcc
ifeq ($(BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE),y)
PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) install-gcc
else
PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) install-gcc
endif
touch $(gcc_initial)
gcc_initial: binutils $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc
gcc_initial-clean:
rm -rf $(GCC_BUILD_DIR1)
gcc_initial-dirclean:
rm -rf $(GCC_BUILD_DIR1) $(GCC_DIR)
#############################################################
#
# build the second pass gcc compiler
#
#############################################################
GCC_BUILD_DIR2:=$(TOOLCHAIN_DIR)/gcc-$(GCC_VERSION)-intermediate
# The --without-headers option stopped working with gcc 3.0 and has never been
# fixed, so we need to actually have working C library header files prior to
# the step or libgcc will not build...
$(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched
mkdir -p $(GCC_BUILD_DIR2)
-rmdir $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
mkdir -p $(STAGING_DIR)/lib
ln -snf ../../lib $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
$(if $(BR2_ARCH_IS_64),mkdir -p $(STAGING_DIR)/lib64)
$(if $(BR2_ARCH_IS_64),ln -snf ../../lib64 $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib64)
(cd $(GCC_BUILD_DIR2); rm -rf config.cache; \
$(HOST_CONFIGURE_OPTS) \
$(GCC_DIR)/configure $(QUIET) \
--prefix=$(STAGING_DIR)/usr \
--build=$(GNU_HOST_NAME) \
--host=$(GNU_HOST_NAME) \
--target=$(REAL_GNU_TARGET_NAME) \
--enable-languages=c \
$(BR2_CONFIGURE_DEVEL_SYSROOT) \
--disable-__cxa_atexit \
$(GCC_OPTSPACE) \
--with-gnu-ld \
--enable-shared \
--disable-libssp \
--disable-multilib \
$(GCC_TLS) \
$(GCC_WITH_HOST_GMP) \
$(GCC_WITH_HOST_MPFR) \
$(GCC_WITH_HOST_MPC) \
$(DISABLE_NLS) \
$(THREADS) \
$(MULTILIB) \
$(GCC_DECIMAL_FLOAT) \
$(SOFT_FLOAT_CONFIG_OPTION) \
$(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) $(GCC_WITH_CPU) \
$(EXTRA_GCC_CONFIG_OPTIONS) \
$(EXTRA_GCC2_CONFIG_OPTIONS) \
$(QUIET) \
)
touch $@
$(GCC_BUILD_DIR2)/.compiled: $(GCC_BUILD_DIR2)/.configured
# gcc >= 4.3.0 have to also build all-target-libgcc
ifeq ($(BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE),y)
$(GCC_CONF_ENV) $(MAKE) -C $(GCC_BUILD_DIR2) all-gcc all-target-libgcc
else
$(MAKE) -C $(GCC_BUILD_DIR2) all-gcc
endif
touch $@
gcc_intermediate=$(GCC_BUILD_DIR2)/.installed
$(gcc_intermediate): $(GCC_BUILD_DIR2)/.compiled
# gcc >= 4.3.0 have to also install install-target-libgcc
ifeq ($(BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE),y)
PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) install-gcc install-target-libgcc
else
PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) install-gcc
endif
touch $(gcc_intermediate)
gcc_intermediate: uclibc-configured $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc
gcc_intermediate-clean:
rm -rf $(GCC_BUILD_DIR2)
gcc_intermediate-dirclean:
rm -rf $(GCC_BUILD_DIR2) $(GCC_DIR)
#############################################################
#
# third pass compiler build. Build the compiler targeting
# the newly built shared uClibc library.
#
#############################################################
#
# Sigh... I had to rework things because using --with-gxx-include-dir
# causes issues with include dir search order for g++. This seems to
# have something to do with "path translations" and possibly doesn't
# affect gcc-target. However, I haven't tested gcc-target yet so no
# guarantees. mjn3
GCC_BUILD_DIR3:=$(TOOLCHAIN_DIR)/gcc-$(GCC_VERSION)-final
$(GCC_BUILD_DIR3)/.configured: $(GCC_SRC_DIR)/.patched $(GCC_STAGING_PREREQ)
mkdir -p $(GCC_BUILD_DIR3)
# Important! Required for limits.h to be fixed.
ln -snf ../include/ $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include
(cd $(GCC_BUILD_DIR3); rm -rf config.cache; \
$(HOST_CONFIGURE_OPTS) \
$(GCC_SRC_DIR)/configure $(QUIET) \
--prefix=$(STAGING_DIR)/usr \
--build=$(GNU_HOST_NAME) \
--host=$(GNU_HOST_NAME) \
--target=$(REAL_GNU_TARGET_NAME) \
--enable-languages=$(GCC_CROSS_LANGUAGES) \
$(BR2_CONFIGURE_STAGING_SYSROOT) \
$(BR2_CONFIGURE_BUILD_TOOLS) \
--disable-__cxa_atexit \
$(GCC_OPTSPACE) \
--with-gnu-ld \
--disable-libssp \
--disable-multilib \
$(GCC_TLS) \
$(GCC_SHARED_LIBGCC) \
$(GCC_WITH_HOST_GMP) \
$(GCC_WITH_HOST_MPFR) \
$(GCC_WITH_HOST_MPC) \
$(DISABLE_NLS) \
$(THREADS) \
$(GCC_DECIMAL_FLOAT) \
$(SOFT_FLOAT_CONFIG_OPTION) \
$(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) $(GCC_WITH_CPU) \
$(DISABLE_LARGEFILE) \
$(EXTRA_GCC_CONFIG_OPTIONS) \
$(EXTRA_GCC2_CONFIG_OPTIONS) \
)
touch $@
$(GCC_BUILD_DIR3)/.compiled: $(GCC_BUILD_DIR3)/.configured
$(GCC_CONF_ENV) $(MAKE) -C $(GCC_BUILD_DIR3) all
touch $@
$(GCC_BUILD_DIR3)/.installed: $(GCC_BUILD_DIR3)/.compiled
PATH=$(TARGET_PATH) $(MAKE) \
-C $(GCC_BUILD_DIR3) install
if [ -d "$(STAGING_DIR)/lib64" ]; then \
if [ ! -e "$(STAGING_DIR)/lib" ]; then \
mkdir -p "$(STAGING_DIR)/lib"; \
fi; \
mv "$(STAGING_DIR)/lib64/"* "$(STAGING_DIR)/lib/"; \
rmdir "$(STAGING_DIR)/lib64"; \
rm "$(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib64";\
fi
# Strip the host binaries
ifeq ($(GCC_STRIP_HOST_BINARIES),true)
strip --strip-all -R .note -R .comment $(filter-out %-gccbug %-embedspu,$(wildcard $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-*))
endif
# Make sure we have 'cc'.
if [ ! -e $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-cc ]; then \
ln -snf $(REAL_GNU_TARGET_NAME)-gcc \
$(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-cc; \
fi
if [ ! -e $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/bin/cc ]; then \
ln -snf gcc $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/bin/cc; \
fi
# Set up the symlinks to enable lying about target name.
set -e; \
(cd $(STAGING_DIR)/usr; \
ln -snf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
cd bin; \
for app in $(REAL_GNU_TARGET_NAME)-*; do \
ln -snf $${app} \
$(GNU_TARGET_NAME)$${app##$(REAL_GNU_TARGET_NAME)}; \
done; \
)
mkdir -p $(TARGET_DIR)/usr/lib $(TARGET_DIR)/usr/sbin
touch $@
$(STAMP_DIR)/gcc_libs_target_installed: $(GCC_BUILD_DIR3)/.installed
ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
# These are in /lib, so...
rm -rf $(TARGET_DIR)/usr/lib/libgcc_s*.so*
-cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib*/libgcc_s* \
$(TARGET_DIR)/lib/
-$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/lib/libgcc_s*
endif
ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
mkdir -p $(TARGET_DIR)/usr/lib
-cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib*/libstdc++.so* \
$(TARGET_DIR)/usr/lib/
-$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/usr/lib/libstdc++.so*
endif
endif
ifeq ($(BR2_INSTALL_LIBGCJ),y)
cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib*/libgcj.so* $(TARGET_DIR)/usr/lib/
mkdir -p $(TARGET_DIR)/usr/lib/security
cp -dpf $(STAGING_DIR)/usr/lib/security/classpath.security \
$(TARGET_DIR)/usr/lib/security/
-$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/usr/lib/libgcj.so*
endif
mkdir -p $(@D)
touch $@
cross_compiler:=$(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc
cross_compiler gcc: gcc_intermediate \
$(LIBFLOAT_TARGET) uclibc $(GCC_BUILD_DIR3)/.installed \
$(STAMP_DIR)/gcc_libs_target_installed \
$(GCC_TARGETS)
gcc-source: $(DL_DIR)/$(GCC_SOURCE)
gcc-clean:
rm -rf $(GCC_BUILD_DIR3)
for prog in cpp gcc gcc-[0-9]* protoize unprotoize gcov gccbug cc; do \
rm -f $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-$$prog; \
rm -f $(STAGING_DIR)/usr/bin/$(GNU_TARGET_NAME)-$$prog; \
done
gcc-dirclean: gcc_initial-dirclean
rm -rf $(GCC_BUILD_DIR3)
#############################################################
#
# Next build target gcc compiler
#
#############################################################
GCC_BUILD_DIR4:=$(BUILD_DIR)/gcc-$(GCC_VERSION)-target
$(GCC_BUILD_DIR4)/.prepared: $(STAMP_DIR)/gcc_libs_target_installed $(GCC_TARGET_PREREQ)
mkdir -p $(GCC_BUILD_DIR4)
touch $@
$(GCC_BUILD_DIR4)/.configured: $(GCC_BUILD_DIR4)/.prepared
(cd $(GCC_BUILD_DIR4); rm -rf config.cache; \
$(TARGET_CONFIGURE_OPTS) \
$(TARGET_CONFIGURE_ARGS) \
CFLAGS_FOR_TARGET="$(TARGET_CFLAGS) $(TARGET_SOFT_FLOAT)" \
CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS) $(TARGET_SOFT_FLOAT)" \
CFLAGS="$(TARGET_CFLAGS) $(TARGET_SOFT_FLOAT)" \
BOOT_CFLAGS="$(TARGET_CFLAGS) $(TARGET_SOFT_FLOAT)" \
GCC_FOR_TARGET="$(TARGET_CC)" \
CC_FOR_TARGET="$(TARGET_CC)" \
CXX_FOR_TARGET="$(TARGET_CXX)" \
$(GCC_SRC_DIR)/configure $(QUIET) \
--prefix=/usr \
--build=$(GNU_HOST_NAME) \
--host=$(REAL_GNU_TARGET_NAME) \
--target=$(REAL_GNU_TARGET_NAME) \
--enable-languages=$(GCC_TARGET_LANGUAGES) \
--with-gxx-include-dir=/usr/include/c++ \
--disable-__cxa_atexit \
--with-gnu-ld \
--disable-libssp \
--disable-multilib \
$(GCC_TLS) \
$(GCC_SHARED_LIBGCC) \
$(GCC_WITH_TARGET_GMP) \
$(GCC_WITH_TARGET_MPFR) \
$(GCC_WITH_TARGET_MPC) \
$(DISABLE_NLS) \
$(THREADS) \
$(GCC_DECIMAL_FLOAT) \
$(SOFT_FLOAT_CONFIG_OPTION) \
$(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) $(GCC_WITH_CPU) \
$(DISABLE_LARGEFILE) \
$(EXTRA_GCC_CONFIG_OPTIONS) \
$(EXTRA_TARGET_GCC_CONFIG_OPTIONS) \
$(EXTRA_GCC4_CONFIG_OPTIONS) \
)
touch $@
$(GCC_BUILD_DIR4)/.compiled: $(GCC_BUILD_DIR4)/.configured
PATH=$(TARGET_PATH) \
$(MAKE) -C $(GCC_BUILD_DIR4) all
touch $@
GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
ifeq ($(findstring x4.2,x$(GCC_VERSION)),x4.2)
GCC_INCLUDE_DIR:=include
else
GCC_INCLUDE_DIR:=include-fixed
endif
$(TARGET_DIR)/usr/bin/gcc: $(GCC_BUILD_DIR4)/.compiled
PATH=$(TARGET_PATH) DESTDIR=$(TARGET_DIR) \
$(MAKE1) -C $(GCC_BUILD_DIR4) install
# Remove broken specs file (cross compile flag is set).
rm -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/specs
# Remove useless copies of gcc, c++, g++
rm -f $(TARGET_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc*
rm -f $(TARGET_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-g++*
rm -f $(TARGET_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-c++*
# Work around problem of missing syslimits.h
if [ ! -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/$(GCC_INCLUDE_DIR)/syslimits.h ]; then \
echo "warning: working around missing syslimits.h"; \
cp -f $(STAGING_DIR)/$(GCC_LIB_SUBDIR)/$(GCC_INCLUDE_DIR)/syslimits.h \
$(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/$(GCC_INCLUDE_DIR)/; \
fi
# Make sure we have 'cc'.
if [ ! -e $(TARGET_DIR)/usr/bin/cc ]; then \
ln -snf gcc $(TARGET_DIR)/usr/bin/cc; \
fi
# These are in /lib, so...
#rm -rf $(TARGET_DIR)/usr/lib/libgcc_s*.so*
touch -c $@
gcc_target: uclibc_target binutils_target $(TARGET_DIR)/usr/bin/gcc
gcc_target-clean:
rm -rf $(GCC_BUILD_DIR4)
rm -f $(TARGET_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)*
gcc_target-dirclean:
rm -rf $(GCC_BUILD_DIR4)
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