erebion/coreboot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add testcc() function to xcompile to check for various compiler flags and set them in the CFLAGS variable if they are located.

Browse source 
Added check for -fno-stack-protector flag.

Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Marc Jones <marc.jones@amd.com>



git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@434 f3766cd6-281f-0410-b1cd-43a5c92072e9
This commit is contained in:
Marc Jones 2007-07-05 17:27:23 +00:00
commit c133c1bf2b
2 changed files with 22 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
Makefile
View file

@ -96,6 +96,7 @@ CC := $(CC_$(ARCH))
AS := $(AS_$(ARCH))
LD := $(LD_$(ARCH))
OBJCOPY := $(OBJCOPY_$(ARCH))
CFLAGS += $(CFLAGS_$(ARCH))
CPPFLAGS := $(LINUXBIOSINCLUDE)
CFLAGS += $(LINUXBIOSINCLUDE)

21
util/xcompile/xcompile
View file

@ -25,6 +25,15 @@ ARCH=`uname -m | sed -e s/i.86/x86/ -e s/sun4u/sparc64/ \
-e s/s390x/s390/ -e s/parisc64/parisc/ \
-e s/ppc.*/powerpc/ -e s/mips.*/mips/`
testcc()
{
TMP=".$$$$.tmp"
$1 $2 -S -xc /dev/null -o $TMP > /dev/null 2>&1
ret=$?
rm -rf $TMP
return $ret
}
searchgnu()
{
# $1 short name
@ -45,18 +54,23 @@ searchgnu()
case "$ARCH" in
"x86_64")
echo "CC_x86 := gcc -m32"
CC="gcc -m32"
searchgnu as >/dev/null && echo "AS_x86 := $(searchgnu as) --32"
searchgnu ld >/dev/null && echo "LD_x86 := $(searchgnu ld) -b elf32-i386 -melf_i386"
searchgnu objcopy >/dev/null && echo "OBJCOPY_x86 := $(searchgnu objcopy)"
;;
"x86")
echo "CC_x86 := gcc"
CC="gcc"
searchgnu as >/dev/null && echo "AS_x86 := $(searchgnu as)"
searchgnu ld >/dev/null && echo "LD_x86 := $(searchgnu ld)"
searchgnu objcopy >/dev/null && echo "OBJCOPY_x86 := $(searchgnu objcopy)"
;;
*)
# FIXME: This should be detected.
CC="i386-linux-gcc"
echo "CC_x86 := i386-linux-gcc"
echo "AS_x86 := i386-linux-as"
echo "LD_x86 := i386-linux-ld"
@ -64,6 +78,13 @@ case "$ARCH" in
;;
esac
# This is where we test for various flags and other things
CFLAGS=""
testcc "$CC" "-fno-stack-protector" && CFLAGS="$CFLAGS-fno-stack-protector "
echo "CFLAGS_x86 := $CFLAGS"
# TODO: The same as above for PowerPC, and other architectures
# as soon as they are supported by LinuxBIOSv3.