diff options
Diffstat (limited to 'misc/buildroot/toolchain/gcc/Makefile.in')
| -rw-r--r-- | misc/buildroot/toolchain/gcc/Makefile.in | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/misc/buildroot/toolchain/gcc/Makefile.in b/misc/buildroot/toolchain/gcc/Makefile.in index 7ae07cfe8..0329c199f 100644 --- a/misc/buildroot/toolchain/gcc/Makefile.in +++ b/misc/buildroot/toolchain/gcc/Makefile.in @@ -23,8 +23,11 @@ SOFT_FLOAT_CONFIG_OPTION:=--without-float endif # again... there must be a better way + ifeq ($(findstring x4.,x$(GCC_VERSION)),x4.) + SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft + ifeq ($(BR2_SOFT_FLOAT_FP),y) TARGET_SOFT_FLOAT:=-mfloat-abi=softfp else # no fp at all @@ -34,7 +37,9 @@ else TARGET_SOFT_FLOAT:=-msoft-float endif endif + else # not gcc-4.x + TARGET_SOFT_FLOAT:=-msoft-float endif ARCH_FPU_SUFFIX:=_nofpu @@ -42,24 +47,43 @@ else # no softfloat support SOFT_FLOAT_CONFIG_OPTION:= TARGET_SOFT_FLOAT:= ARCH_FPU_SUFFIX:= + +endif + +# DSA: config gcc to build Cortex-M4 compiler with hard float + +ifeq ($(strip $(BR2_GCC_CORTEX_M4F)),y) +TARGET_SOFT_FLOAT:=-mfpu=fpv4-sp-d16 -mfloat-abi=hard -mhard-float +SOFT_FLOAT_CONFIG_OPTION:=--with-float=hard +ARCH_FPU_SUFFIX:=_hf endif # some additional tuning values + ifneq ($(strip $(subst ",,$(BR2_GCC_TARGET_ARCH))),) # "))) GCC_WITH_ARCH:=--with-arch=$(BR2_GCC_TARGET_ARCH) endif + ifneq ($(strip $(subst ",,$(BR2_GCC_TARGET_TUNE))),) # "))) GCC_WITH_TUNE:=--with-tune=$(BR2_GCC_TARGET_TUNE) endif + ifneq ($(strip $(subst ",,$(BR2_GCC_TARGET_ABI))),) # "))) GCC_WITH_ABI:=--with-abi=$(BR2_GCC_TARGET_ABI) endif + ifdef BR2_cortex_m0 GCC_WITH_MODE:=--with-mode=thumb endif + ifdef BR2_cortex_m3 GCC_WITH_MODE:=--with-mode=thumb endif + +# DSA: config gcc to build Cortec-M4 compiler with hard float +ifdef BR2_cortex_m4f +GCC_WITH_MODE:=--with-mode=thumb +endif |