From fb7b827a56b1f92f882d0f5ef130acc968b23293 Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Wed, 13 Jan 2016 19:17:31 +0000 Subject: [PATCH] Disable -mfpmath=sse as well when SSE is disabled Fixes configure:20574: i586-poky-linux-gcc -m32 -march=core2 -msse3 -mtune=generic -mfpmath=sse --sysroot=/usr/local/dev/yocto/grubtest2/build/tmp/sysroots/emenlow -o conftest -O2 -pipe -g -feliminate-unused-debug-types -Wall -W -Wshadow -Wpointer-arith -Wmissing-prototypes -Wundef -Wstrict-prototypes -g -falign-jumps=1 -falign-loops=1 -falign-functions=1 -mno-mmx -mno-sse -mno-sse2 -mno-3dnow -fno-dwarf2-cfi-asm -m32 -fno-stack-protector -mno-stack-arg-probe -Werror -nostdlib -Wl,--defsym,___main=0x8100 -Wall -W -I$(top_srcdir)/include -I$(top_builddir)/include -DGRUB_MACHINE_PCBIOS=1 -DGRUB_MACHINE=I386_PC -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed conftest.c >&5 conftest.c:1:0: error: SSE instruction set disabled, using 387 arithmetics [-Werror] cc1: all warnings being treated as errors Signed-off-by: Nitin A Kamble Signed-off-by: Khem Raj --- Upstream-Status: Pending configure.ac | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 26d2f33..9ce56de 100644 --- a/configure.ac +++ b/configure.ac @@ -783,7 +783,7 @@ fi if ( test "x$target_cpu" = xi386 || test "x$target_cpu" = xx86_64 ) && test "x$platform" != xemu; then # Some toolchains enable these features by default, but they need # registers that aren't set up properly in GRUB. - TARGET_CFLAGS="$TARGET_CFLAGS -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow" + TARGET_CFLAGS="$TARGET_CFLAGS -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow -mfpmath=387" fi # GRUB doesn't use float or doubles at all. Yet some toolchains may decide -- 2.7.0