Commit 4687e008 authored by Bernhard Reutner-Fischer's avatar Bernhard Reutner-Fischer
Browse files

- for the native target gcc, drop --enable-optspace in favour of using the... 

- for the native target gcc, drop --enable-optspace in favour of using the configured flags (that default to -Os anyway).
  Saves about 20% size without additional configure args:
   text    data     bss     dec     hex filename
4685000   17280  566360 5268640  5064a0 optspace/i586-linux-uclibc/4.2.0/cc1
3630655   15184  562172 4208011  40358b usrflags/i586-linux-uclibc/4.2.0/cc1
4853646   23532  568528 5445706  53184a optspace/i586-linux-uclibc/4.2.0/f951
3772121   21292  564148 4357561  427db9 usrflags/i586-linux-uclibc/4.2.0/f951
parent 9e6af6c0

toolchain/gcc/Makefile.in

+13 −1
Original line number Diff line number Diff line
@@ -30,18 +30,30 @@ SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft 
else

SOFT_FLOAT_CONFIG_OPTION:=--without-float

endif



# again... there must be a better way

ifeq ($(findstring 4.,$(GCC_VERSION)),4.)

SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft

ifeq ($(BR2_SOFT_FLOAT_FP),y)

TARGET_SOFT_FLOAT:=-mfloat-abi=softfp

else # no fp at all

TARGET_SOFT_FLOAT:=-mfloat-abi=soft

endif

else # not gcc-4.x

TARGET_SOFT_FLOAT:=-msoft-float

endif

ARCH_FPU_SUFFIX:=_nofpu

else

else # no softfloat support

SOFT_FLOAT_CONFIG_OPTION:=

TARGET_SOFT_FLOAT:=

ARCH_FPU_SUFFIX:=

endif



TARGET_GCC_FLAGS= 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)"



ifeq ($(strip $(BR2_PACKAGE_GCC_TARGET)),y)

TARGETS+=gcc_target

endif

toolchain/gcc/gcc-uclibc-3.x.mk

+5 −4
Original line number Diff line number Diff line
@@ -333,7 +333,8 @@ $(GCC_BUILD_DIR3)/.configured: $(GCC_BUILD_DIR3)/.prepared 
	(cd $(GCC_BUILD_DIR3); rm -rf config.cache ; \

		PATH=$(TARGET_PATH) \

		CC_FOR_BUILD="$(HOSTCC)" \

		BOOT_CFLAGS="$(TARGET_CFLAGS)" \

		CFLAGS_FOR_BUILD="-g -O2" \

		$(TARGET_GCC_FLAGS) \

		$(GCC_DIR)/configure \

		--prefix=/usr \

		--build=$(GNU_HOST_NAME) \
@@ -342,7 +343,6 @@ $(GCC_BUILD_DIR3)/.configured: $(GCC_BUILD_DIR3)/.prepared 
		--enable-languages=$(GCC_TARGET_LANGUAGES) \

		--with-gxx-include-dir=/usr/include/c++ \

		--disable-__cxa_atexit \

		--enable-target-optspace \

		--with-gnu-ld \

		$(GCC_SHARED_LIBGCC) \

		$(GCC_WITH_TARGET_GMP) \
@@ -354,12 +354,13 @@ $(GCC_BUILD_DIR3)/.configured: $(GCC_BUILD_DIR3)/.prepared 
		$(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \

		$(GCC_USE_SJLJ_EXCEPTIONS) \

		$(DISABLE_LARGEFILE) \

		$(EXTRA_GCC_CONFIG_OPTIONS));

		$(EXTRA_GCC_CONFIG_OPTIONS) \

		$(EXTRA_TARGET_GCC_CONFIG_OPTIONS));

	touch $@



$(GCC_BUILD_DIR3)/.compiled: $(GCC_BUILD_DIR3)/.configured

	PATH=$(TARGET_PATH) \

	$(MAKE) $(TARGET_GCC_ARGS) -C $(GCC_BUILD_DIR3) all

	$(MAKE) -C $(GCC_BUILD_DIR3) all

	touch $@



#