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kernel: Set -march=armv7-a for ARMv7 CPUs to fix builds with GCC 8 #1203

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kernel: Set -march=armv7-a for ARMv7 CPUs to fix builds with GCC 8 #1203

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13 changes: 13 additions & 0 deletions ...t/linux/generic/hack-4.14/379-arm-set-march-armv7-a-instead-of-armv5t-on-armv7-cpus.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 36ae445..9bb3fab 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -67,7 +67,7 @@ KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra)
# macro, but instead defines a whole series of macros which makes
# testing for a specific architecture or later rather impossible.
arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
-arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
+arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv7-a -Wa$(comma)-march=armv7-a)
arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
# Only override the compiler option if ARMv6. The ARMv6K extensions are
# always available in ARMv7