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