makefile.in

用于生成linux操作系统下的交叉编译工具链和嵌入式linux系统的根文件系统,支持x86、arm、powerpc等处理器

GCC_VERSION:=$(strip $(subst ",, $(BR2_GCC_VERSION)))
#"
GCC_USE_SJLJ_EXCEPTIONS:=$(strip $(subst ",, $(BR2_GCC_USE_SJLJ_EXCEPTIONS)))
#"
TARGET_OPTIMIZATION:=$(strip $(subst ",, $(BR2_TARGET_OPTIMIZATION)))
#""


ifeq ($(BR2_SOFT_FLOAT),y)
# gcc 3.4.x soft float configuration is different than previous versions.
ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
else
SOFT_FLOAT_CONFIG_OPTION:=--without-float
endif
TARGET_SOFT_FLOAT:=-msoft-float
ARCH_FPU_SUFFIX:=_nofpu
else
SOFT_FLOAT_CONFIG_OPTION:=
TARGET_SOFT_FLOAT:=
ARCH_FPU_SUFFIX:=
endif

ifeq ($(strip $(BR2_PACKAGE_GCC_TARGET)),y)
TARGETS+=gcc_target
endif