6a1274705d
This reverts commit 2dcab526a9.
Now that gcc correctly propagates CXXFLAGS_FOR_TARGET for libstdc++
build this is no longer needed.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
199 lines
6.3 KiB
Makefile
199 lines
6.3 KiB
Makefile
################################################################################
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#
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# gcc-final
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#
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################################################################################
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GCC_FINAL_VERSION = $(GCC_VERSION)
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GCC_FINAL_SITE = $(GCC_SITE)
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GCC_FINAL_SOURCE = $(GCC_SOURCE)
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HOST_GCC_FINAL_DEPENDENCIES = \
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$(HOST_GCC_COMMON_DEPENDENCIES) \
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$(BR_LIBC)
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HOST_GCC_FINAL_EXCLUDES = $(HOST_GCC_EXCLUDES)
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HOST_GCC_FINAL_POST_EXTRACT_HOOKS += HOST_GCC_FAKE_TESTSUITE
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ifneq ($(call qstrip, $(BR2_XTENSA_CORE_NAME)),)
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HOST_GCC_FINAL_POST_EXTRACT_HOOKS += HOST_GCC_XTENSA_OVERLAY_EXTRACT
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endif
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HOST_GCC_FINAL_POST_PATCH_HOOKS += HOST_GCC_APPLY_PATCHES
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# gcc doesn't support in-tree build, so we create a 'build'
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# subdirectory in the gcc sources, and build from there.
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HOST_GCC_FINAL_SUBDIR = build
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HOST_GCC_FINAL_PRE_CONFIGURE_HOOKS += HOST_GCC_CONFIGURE_SYMLINK
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# We want to always build the static variants of all the gcc libraries,
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# of which libstdc++, libgomp, libmudflap...
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# To do so, we can not just pass --enable-static to override the generic
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# --disable-static flag, otherwise gcc fails to build some of those
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# libraries, see;
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# http://lists.busybox.net/pipermail/buildroot/2013-October/080412.html
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#
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# So we must completely override the generic commands and provide our own.
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#
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define HOST_GCC_FINAL_CONFIGURE_CMDS
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(cd $(HOST_GCC_FINAL_SRCDIR) && rm -rf config.cache; \
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$(HOST_CONFIGURE_OPTS) \
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CFLAGS="$(HOST_CFLAGS)" \
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LDFLAGS="$(HOST_LDFLAGS)" \
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$(HOST_GCC_FINAL_CONF_ENV) \
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./configure \
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--prefix="$(HOST_DIR)/usr" \
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--sysconfdir="$(HOST_DIR)/etc" \
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--enable-static \
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$(QUIET) $(HOST_GCC_FINAL_CONF_OPTS) \
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)
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endef
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# Languages supported by the cross-compiler
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GCC_FINAL_CROSS_LANGUAGES-y = c
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GCC_FINAL_CROSS_LANGUAGES-$(BR2_INSTALL_LIBSTDCPP) += c++
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GCC_FINAL_CROSS_LANGUAGES-$(BR2_TOOLCHAIN_BUILDROOT_FORTRAN) += fortran
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GCC_FINAL_CROSS_LANGUAGES = $(subst $(space),$(comma),$(GCC_FINAL_CROSS_LANGUAGES-y))
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HOST_GCC_FINAL_CONF_OPTS = \
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$(HOST_GCC_COMMON_CONF_OPTS) \
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--enable-languages=$(GCC_FINAL_CROSS_LANGUAGES) \
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--with-build-time-tools=$(HOST_DIR)/usr/$(GNU_TARGET_NAME)/bin
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HOST_GCC_FINAL_GCC_LIB_DIR = $(HOST_DIR)/usr/$(GNU_TARGET_NAME)/lib*
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# The kernel wants to use the -m4-nofpu option to make sure that it
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# doesn't use floating point operations.
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ifeq ($(BR2_sh4)$(BR2_sh4eb),y)
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HOST_GCC_FINAL_CONF_OPTS += "--with-multilib-list=m4,m4-nofpu"
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HOST_GCC_FINAL_GCC_LIB_DIR = $(HOST_DIR)/usr/$(GNU_TARGET_NAME)/lib/!m4*
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endif
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ifeq ($(BR2_sh4a)$(BR2_sh4aeb),y)
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HOST_GCC_FINAL_CONF_OPTS += "--with-multilib-list=m4a,m4a-nofpu"
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HOST_GCC_FINAL_GCC_LIB_DIR = $(HOST_DIR)/usr/$(GNU_TARGET_NAME)/lib/!m4*
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endif
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# Disable shared libs like libstdc++ if we do static since it confuses linking
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ifeq ($(BR2_STATIC_LIBS),y)
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HOST_GCC_FINAL_CONF_OPTS += --disable-shared
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else
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HOST_GCC_FINAL_CONF_OPTS += --enable-shared
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endif
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ifeq ($(BR2_GCC_ENABLE_OPENMP),y)
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HOST_GCC_FINAL_CONF_OPTS += --enable-libgomp
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else
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HOST_GCC_FINAL_CONF_OPTS += --disable-libgomp
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endif
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# End with user-provided options, so that they can override previously
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# defined options.
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HOST_GCC_FINAL_CONF_OPTS += \
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$(call qstrip,$(BR2_EXTRA_GCC_CONFIG_OPTIONS))
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HOST_GCC_FINAL_CONF_ENV = \
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$(HOST_GCC_COMMON_CONF_ENV)
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HOST_GCC_FINAL_MAKE_OPTS += $(HOST_GCC_COMMON_MAKE_OPTS)
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# Make sure we have 'cc'
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define HOST_GCC_FINAL_CREATE_CC_SYMLINKS
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if [ ! -e $(HOST_DIR)/usr/bin/$(GNU_TARGET_NAME)-cc ]; then \
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ln -f $(HOST_DIR)/usr/bin/$(GNU_TARGET_NAME)-gcc \
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$(HOST_DIR)/usr/bin/$(GNU_TARGET_NAME)-cc; \
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fi
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endef
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HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_FINAL_CREATE_CC_SYMLINKS
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HOST_GCC_FINAL_TOOLCHAIN_WRAPPER_ARGS += $(HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS)
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HOST_GCC_FINAL_POST_BUILD_HOOKS += TOOLCHAIN_BUILD_WRAPPER
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# Note: this must be done after CREATE_CC_SYMLINKS, otherwise the
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# -cc symlink to the wrapper is not created.
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HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_INSTALL_WRAPPER_AND_SIMPLE_SYMLINKS
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# In gcc 4.7.x, the ARM EABIhf library loader path for (e)glibc was not
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# correct, so we create a symbolic link to make things work
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# properly. eglibc installs the library loader as ld-linux-armhf.so.3,
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# but gcc creates binaries that reference ld-linux.so.3.
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ifeq ($(BR2_arm)$(BR2_ARM_EABIHF)$(BR2_GCC_VERSION_4_7_X)$(BR2_TOOLCHAIN_USES_GLIBC),yyyy)
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define HOST_GCC_FINAL_LD_LINUX_LINK
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ln -sf ld-linux-armhf.so.3 $(TARGET_DIR)/lib/ld-linux.so.3
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ln -sf ld-linux-armhf.so.3 $(STAGING_DIR)/lib/ld-linux.so.3
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endef
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HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_FINAL_LD_LINUX_LINK
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endif
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# Cannot use the HOST_GCC_FINAL_USR_LIBS mechanism below, because we want
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# libgcc_s to be installed in /lib and not /usr/lib.
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define HOST_GCC_FINAL_INSTALL_LIBGCC
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-cp -dpf $(HOST_GCC_FINAL_GCC_LIB_DIR)/libgcc_s* \
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$(STAGING_DIR)/lib/
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-cp -dpf $(HOST_GCC_FINAL_GCC_LIB_DIR)/libgcc_s* \
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$(TARGET_DIR)/lib/
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endef
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HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_FINAL_INSTALL_LIBGCC
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define HOST_GCC_FINAL_INSTALL_LIBATOMIC
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-cp -dpf $(HOST_GCC_FINAL_GCC_LIB_DIR)/libatomic* \
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$(STAGING_DIR)/lib/
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-cp -dpf $(HOST_GCC_FINAL_GCC_LIB_DIR)/libatomic* \
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$(TARGET_DIR)/lib/
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endef
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HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_FINAL_INSTALL_LIBATOMIC
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# Handle the installation of libraries in /usr/lib
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HOST_GCC_FINAL_USR_LIBS =
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ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
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HOST_GCC_FINAL_USR_LIBS += libstdc++
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endif
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ifeq ($(BR2_TOOLCHAIN_BUILDROOT_FORTRAN),y)
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HOST_GCC_FINAL_USR_LIBS += libgfortran
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endif
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ifeq ($(BR2_GCC_ENABLE_OPENMP),y)
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HOST_GCC_FINAL_USR_LIBS += libgomp
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endif
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ifeq ($(BR2_GCC_ENABLE_LIBMUDFLAP),y)
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ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
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HOST_GCC_FINAL_USR_LIBS += libmudflapth
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else
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HOST_GCC_FINAL_USR_LIBS += libmudflap
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endif
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endif
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ifneq ($(HOST_GCC_FINAL_USR_LIBS),)
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define HOST_GCC_FINAL_INSTALL_STATIC_LIBS
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for i in $(HOST_GCC_FINAL_USR_LIBS) ; do \
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cp -dpf $(HOST_GCC_FINAL_GCC_LIB_DIR)/$${i}.a \
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$(STAGING_DIR)/usr/lib/ ; \
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done
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endef
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ifeq ($(BR2_STATIC_LIBS),)
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define HOST_GCC_FINAL_INSTALL_SHARED_LIBS
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for i in $(HOST_GCC_FINAL_USR_LIBS) ; do \
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cp -dpf $(HOST_GCC_FINAL_GCC_LIB_DIR)/$${i}.so* \
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$(STAGING_DIR)/usr/lib/ ; \
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cp -dpf $(HOST_GCC_FINAL_GCC_LIB_DIR)/$${i}.so* \
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$(TARGET_DIR)/usr/lib/ ; \
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done
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endef
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endif
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define HOST_GCC_FINAL_INSTALL_USR_LIBS
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mkdir -p $(TARGET_DIR)/usr/lib
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$(HOST_GCC_FINAL_INSTALL_STATIC_LIBS)
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$(HOST_GCC_FINAL_INSTALL_SHARED_LIBS)
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endef
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HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_FINAL_INSTALL_USR_LIBS
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endif
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$(eval $(host-autotools-package))
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