From: Jason A. Donenfeld Date: Sat, 23 Dec 2017 00:43:23 +0000 (+0100) Subject: arm64: support __int128 with clang X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ad40bdafb495f30e5af837e15b3c2a4cb2176e47;p=openwrt%2Fstaging%2Fblogic.git arm64: support __int128 with clang Commit fb8722735f50 ("arm64: support __int128 on gcc 5+") added support for arm64 __int128 with gcc with a version-conditional, but neglected to enable this for clang, which in fact appears to support aarch64 __int128. This commit therefore enables it if the compiler is clang, using the same type of makefile conditional used elsewhere in the tree. Signed-off-by: Jason A. Donenfeld Signed-off-by: Will Deacon --- diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 15402861bb59..87f7d2f9f17c 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -56,7 +56,11 @@ KBUILD_AFLAGS += $(lseinstr) $(brokengasinst) KBUILD_CFLAGS += $(call cc-option,-mabi=lp64) KBUILD_AFLAGS += $(call cc-option,-mabi=lp64) +ifeq ($(cc-name),clang) +KBUILD_CFLAGS += -DCONFIG_ARCH_SUPPORTS_INT128 +else KBUILD_CFLAGS += $(call cc-ifversion, -ge, 0500, -DCONFIG_ARCH_SUPPORTS_INT128) +endif ifeq ($(CONFIG_CPU_BIG_ENDIAN), y) KBUILD_CPPFLAGS += -mbig-endian