1GCC_VARIANT:=final 2 3include ../common.mk 4 5GCC_CONFIGURE += \ 6 --with-headers=$(TOOLCHAIN_DIR)/include \ 7 --disable-libsanitizer \ 8 --enable-languages=$(TARGET_LANGUAGES) \ 9 --enable-shared \ 10 --enable-threads \ 11 --with-slibdir=$(TOOLCHAIN_DIR)/lib \ 12 --enable-lto \ 13 --with-libelf=$(TOPDIR)/staging_dir/host 14 15ifdef CONFIG_USE_MUSL 16 GCC_MAKE += gcc_cv_libc_provides_ssp=yes 17endif 18 19ifneq ($(CONFIG_SJLJ_EXCEPTIONS),) 20 GCC_CONFIGURE += \ 21 --enable-sjlj-exceptions 22endif 23 24define CleanupToolchain 25 $(INSTALL_DIR) $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME) 26 # Important! Required for limits.h to be fixed. 27 rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include 28 ln -sf ../include $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include 29 rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib 30 ln -sf ../lib $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib 31 $(if $(CONFIG_ARCH_64BIT),ln -sf ../lib64 $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib64) 32endef 33 34define Host/Configure 35 $(CleanupToolchain) 36 mkdir -p $(GCC_BUILD_DIR) 37 (cd $(GCC_BUILD_DIR) && rm -f config.cache; \ 38 $(GCC_CONFIGURE) \ 39 ); 40endef 41 42define Host/Compile 43 +$(GCC_MAKE) $(HOST_JOBS) -C $(GCC_BUILD_DIR) all 44endef 45 46define SetupExtraArch 47 for app in $(TOOLCHAIN_DIR)/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \ 48 [ -e $$$$app ] || continue; \ 49 old_base=$$$$(basename $$$$app); \ 50 new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \ 51 sed -e "s/@CC_BASE@/$$$$old_base/" \ 52 -e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \ 53 ../files/alternate-arch-cc.in > \ 54 $(TOOLCHAIN_DIR)/bin/$$$$new_base; \ 55 chmod a+x $(TOOLCHAIN_DIR)/bin/$$$$new_base; \ 56 done 57endef 58 59define Host/Install 60 $(CleanupToolchain) 61 $(_SINGLE)$(GCC_MAKE) -C $(GCC_BUILD_DIR) install 62 # Set up the symlinks to enable lying about target name. 63 set -e; \ 64 (cd $(TOOLCHAIN_DIR); \ 65 ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \ 66 cd bin; \ 67 for app in $(REAL_GNU_TARGET_NAME)-* ; do \ 68 ln -sf $$$${app} \ 69 $(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \ 70 done; \ 71 ); 72 $(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch)) 73 $(RM) $(TOOLCHAIN_DIR)/lib/libiberty.a 74 $(SCRIPT_DIR)/patch-specs.sh "$(TOOLCHAIN_DIR)" 75endef 76 77$(eval $(call HostBuild)) 78 79