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From fb7b827a56b1f92f882d0f5ef130acc968b23293 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
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 <nitin.a.kamble@intel.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
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
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