arm: clang: Update support slightly
- Move most of the flags required into LLVM_RELFLAGS to test at build
time instead of requiring them to be passed in.
- Update doc/README.clang to reflect this
- Switch to rpi_2 as the example as it's closer to working out of the
box than rpi is.
Cc: Jeroen Hofstee <jeroen@myspectrum.nl>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index ce006ae..09ba027 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -16,7 +16,8 @@
arch-$(CONFIG_CPU_PXA) =
arch-$(CONFIG_CPU_ARM1136) =-march=armv5
arch-$(CONFIG_CPU_ARM1176) =-march=armv5t
-arch-$(CONFIG_CPU_V7) =$(call cc-option, -march=armv7-a, -march=armv5)
+arch-$(CONFIG_CPU_V7) =$(call cc-option, -march=armv7-a, \
+ $(call cc-option, -march=armv7, -march=armv5))
arch-$(CONFIG_ARM64) =-march=armv8-a
# Evaluate arch cc-option calls now