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git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-31 14:04:26 -04:00
91 lines
2.5 KiB
Makefile
91 lines
2.5 KiB
Makefile
GCC_VARIANT:=final
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include ../common.mk
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GCC_CONFIGURE += \
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--with-headers=$(TOOLCHAIN_DIR)/include \
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--enable-languages=$(TARGET_LANGUAGES) \
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--enable-shared \
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--enable-threads \
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--with-slibdir=$(TOOLCHAIN_DIR)/lib \
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--enable-lto \
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--with-libelf=$(TOPDIR)/staging_dir/host
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ifndef CONFIG_USE_GLIBC
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GCC_CONFIGURE += --disable-libsanitizer
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endif
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ifdef CONFIG_USE_MUSL
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GCC_MAKE += gcc_cv_libc_provides_ssp=yes
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endif
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ifneq ($(CONFIG_SJLJ_EXCEPTIONS),)
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GCC_CONFIGURE += \
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--enable-sjlj-exceptions
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endif
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define CleanupToolchain
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$(INSTALL_DIR) $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)
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# Important! Required for limits.h to be fixed.
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rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
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ln -sf ../include $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
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rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
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ln -sf ../lib $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
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$(if $(CONFIG_ARCH_64BIT),ln -sf ../lib64 $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib64)
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endef
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define Host/Configure
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$(CleanupToolchain)
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mkdir -p $(GCC_BUILD_DIR)
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(cd $(GCC_BUILD_DIR) && rm -f config.cache; \
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$(GCC_CONFIGURE) \
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);
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endef
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ifeq ($(CONFIG_USE_GLIBC)$(CONFIG_INSTALL_GCCGO),yy)
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define FixGogccCrt
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# link crtX.o for gotools
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mkdir -p $(GCC_BUILD_DIR)/gotools
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$(foreach crt, i 1 n, ln -sf ../../glibc-dev/lib/crt$(crt).o $(GCC_BUILD_DIR)/gotools/ ; )
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endef
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endif
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define Host/Compile
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$(FixGogccCrt)
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+$(GCC_MAKE) $(HOST_JOBS) -C $(GCC_BUILD_DIR) all
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endef
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define SetupExtraArch
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for app in $(TOOLCHAIN_DIR)/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \
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[ -e $$$$app ] || continue; \
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old_base=$$$$(basename $$$$app); \
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new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \
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sed -e "s/@CC_BASE@/$$$$old_base/" \
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-e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \
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../files/alternate-arch-cc.in > \
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$(TOOLCHAIN_DIR)/bin/$$$$new_base; \
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chmod a+x $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
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done
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endef
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define Host/Install
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$(CleanupToolchain)
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+$(GCC_MAKE) $(HOST_JOBS) -C $(GCC_BUILD_DIR) install
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# Set up the symlinks to enable lying about target name.
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set -e; \
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(cd $(TOOLCHAIN_DIR); \
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ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
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cd bin; \
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for app in $(REAL_GNU_TARGET_NAME)-* ; do \
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ln -sf $$$${app} \
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$(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \
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done; \
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);
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$(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch))
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$(RM) $(TOOLCHAIN_DIR)/lib/libiberty.a
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$(SCRIPT_DIR)/patch-specs.sh "$(TOOLCHAIN_DIR)"
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endef
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$(eval $(call HostBuild))
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