[toolchain] provide a cleaner way to specify a biarch toolchain build

[openwrt.git] / toolchain / gcc / Makefile

diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile
index bae9220..875c375 100644 (file)
--- a/toolchain/gcc/Makefile
+++ b/toolchain/gcc/Makefile
@@ -40,6 +40,8 @@ BUILD_DIR2:=$(BUILD_DIR_HOST)/gcc-$(PKG_VERSION)-final
 SEP:=,
 TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)"
 
+EXTRA_TARGET=$(if $(CONFIG_EXTRA_TARGET_ARCH),--enable-biarch --enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-uclibc)
+
 define Stage1/Configure
        $(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk
        $(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(PKG_VERSION),' $(TOOLCHAIN_DIR)/info.mk
@@ -59,6 +61,10 @@ define Stage1/Configure
                --with-gnu-ld \
                --disable-nls \
                --disable-libmudflap \
+               --disable-multilib \
+               $(EXTRA_TARGET) \
+               $(SOFT_FLOAT_CONFIG_OPTION) \
+               $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
        );
 endef
 define Stage1/Compile
@@ -89,6 +95,10 @@ define Stage2/Configure
                --with-gnu-ld \
                --disable-nls \
                --disable-libmudflap \
+               --disable-multilib \
+               $(EXTRA_TARGET) \
+               $(SOFT_FLOAT_CONFIG_OPTION) \
+               $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
        );
 endef
 
@@ -96,6 +106,19 @@ define Stage2/Compile
        export SHELL="\$(BASH)"; \$(MAKE) -C \$(BUILD_DIR2) all
 endef
 
+define SetupExtraArch
+       for app in $(TOOLCHAIN_DIR)/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \
+               [ -e $$$$app ] || continue; \
+               old_base=$$$$(basename $$$$app); \
+               new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \
+               sed -e "s/@CC_BASE@/$$$$old_base/" \
+                       -e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \
+                        ./files/alternate-arch-cc.in > \
+                        $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
+               chmod a+x $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
+       done
+endef
+
 define Stage2/Install
        $(MAKE) -C $(BUILD_DIR2) \
                SHELL="$(BASH)" \
@@ -110,6 +133,7 @@ define Stage2/Install
                        $(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \
                done; \
        );
+       $(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch))
 endef
 
 define Build/Prepare