From: Vineet Gupta Date: Thu, 18 Jun 2015 08:24:01 +0000 (+0530) Subject: ARC: Override toplevel default -O2 with -O3 X-Git-Tag: v3.16.35~1629 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=42dd36b8cb903887003465d56878aa0dcd82797a;p=thirdparty%2Fkernel%2Fstable.git ARC: Override toplevel default -O2 with -O3 commit 97709069214eb75312c14946803b9da4d3814203 upstream. ARC kernels have historically been built with -O3, despite top level Makefile defaulting to -O2. This was facilitated by implicitly ordering of arch makefile include AFTER top level assigned -O2. An upstream fix to top level a1c48bb160f ("Makefile: Fix unrecognized cross-compiler command line options") changed the ordering, making ARC -O3 defunct. Fix that by NOT relying on any ordering whatsoever and use the proper arch override facility now present in kbuild (ARCH_*FLAGS) Depends-on: ("kbuild: Allow arch Makefiles to override {cpp,ld,c}flags") Suggested-by: Michal Marek Cc: Geert Uytterhoeven Signed-off-by: Vineet Gupta Signed-off-by: Luis Henriques --- diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 8c0b1aa56f7ef..429279bc30288 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -44,7 +44,8 @@ endif ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE # Generic build system uses -O2, we want -O3 -cflags-y += -O3 +# Note: No need to add to cflags-y as that happens anyways +ARCH_CFLAGS += -O3 endif # small data is default for elf32 tool-chain. If not usable, disable it