1 files changed, 46 insertions, 0 deletions

diff --git a/meta/recipes-bsp/grub/files/0001-Disable-mfpmath-sse-as-well-when-SSE-is-disabled.patch b/meta/recipes-bsp/grub/files/0001-Disable-mfpmath-sse-as-well-when-SSE-is-disabled.patch
new file mode 100644
index 0000000000..ce3238f3a1
--- /dev/null
+++ b/meta/recipes-bsp/grub/files/0001-Disable-mfpmath-sse-as-well-when-SSE-is-disabled.patch
@@ -0,0 +1,46 @@
+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
+