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config: don't use mcpu switch for arm and aarch64

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When compiling glibc for cortex-a9, the following errors appears:
cc1: error: switch -mcpu=cortex-a9 conflicts with -march=armv7-a switch [-Werror]

Using mcpu with march and mtune is not recommended and compiler emits
warnings/errors when mismatched.
This commit is contained in:
kszaq 2019-05-15 22:06:56 +02:00
parent 9442af9023
commit 07e83b2bca
2 changed files with 2 additions and 7 deletions
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3
config/arch.aarch64
View File

@ -14,7 +14,6 @@
TARGET_SUBARCH=aarch64
TARGET_VARIANT=armv8-a
TARGET_ABI=eabi
TARGET_EXTRA_FLAGS="-mcpu=${TARGET_CPU}${TARGET_CPU_FLAGS}"
TARGET_FEATURES+=" neon"
;;
esac
@ -23,6 +22,6 @@
TARGET_KERNEL_ARCH=arm64
# setup ARCH specific *FLAGS
TARGET_CFLAGS="-march=${TARGET_VARIANT}${TARGET_CPU_FLAGS} -mabi=lp64 -Wno-psabi -mtune=$TARGET_CPU $TARGET_EXTRA_FLAGS"
TARGET_CFLAGS="-march=${TARGET_VARIANT}${TARGET_CPU_FLAGS} -mabi=lp64 -Wno-psabi -mtune=$TARGET_CPU"
TARGET_LDFLAGS="-march=${TARGET_VARIANT}${TARGET_CPU_FLAGS} -mtune=$TARGET_CPU"
GCC_OPTS="--with-abi=lp64 --with-arch=$TARGET_VARIANT"

6
config/arch.arm
View File

@ -27,27 +27,23 @@
arm1176jzf-s)
TARGET_SUBARCH=armv6zk
TARGET_ABI=eabi
TARGET_EXTRA_FLAGS="-mcpu=$TARGET_CPU"
TARGET_FPU_FLAGS="-mfloat-abi=$TARGET_FLOAT -mfpu=$TARGET_FPU"
;;
cortex-a7|cortex-a15|cortex-a17|cortex-a15.cortex-a7|cortex-a17.cortex-a7)
TARGET_SUBARCH=armv7ve
TARGET_ABI=eabi
TARGET_EXTRA_FLAGS="-mcpu=$TARGET_CPU"
TARGET_FPU_FLAGS="-mfloat-abi=$TARGET_FLOAT -mfpu=$TARGET_FPU"
TARGET_FEATURES+=" neon"
;;
cortex-a5|cortex-a8|cortex-a9)
TARGET_SUBARCH=armv7-a
TARGET_ABI=eabi
TARGET_EXTRA_FLAGS="-mcpu=$TARGET_CPU"
TARGET_FPU_FLAGS="-mfloat-abi=$TARGET_FLOAT -mfpu=$TARGET_FPU"
TARGET_FEATURES+=" neon"
;;
cortex-a53|cortex-a72.cortex-a53)
TARGET_SUBARCH=armv8-a
TARGET_ABI=eabi
TARGET_EXTRA_FLAGS="-mcpu=${TARGET_CPU}"
TARGET_FPU_FLAGS="-mfloat-abi=$TARGET_FLOAT -mfpu=$TARGET_FPU"
TARGET_FEATURES+=" neon"
;;
@ -58,7 +54,7 @@
TARGET_KERNEL_ARCH=${TARGET_KERNEL_ARCH:-arm}
# setup ARCH specific *FLAGS
TARGET_CFLAGS="-march=$TARGET_VARIANT -mtune=$TARGET_CPU -mabi=aapcs-linux -Wno-psabi -Wa,-mno-warn-deprecated $TARGET_EXTRA_FLAGS"
TARGET_CFLAGS="-march=$TARGET_VARIANT -mtune=$TARGET_CPU -mabi=aapcs-linux -Wno-psabi -Wa,-mno-warn-deprecated"
[ -n "$TARGET_FPU" ] && TARGET_CFLAGS="$TARGET_CFLAGS $TARGET_FPU_FLAGS"
TARGET_LDFLAGS="-march=$TARGET_VARIANT -mtune=$TARGET_CPU"
GCC_OPTS="--with-abi=aapcs-linux --with-arch=$TARGET_SUBARCH --with-float=$TARGET_FLOAT --with-fpu=$TARGET_FPU"