On 04/07/07 00:06 +0200, Uwe Hermann wrote:
> On Tue, Jul 03, 2007 at 05:01:43AM +0200, Stefan Reinauer wrote:
> > is there some way we can include this in util/xcompile/xcompile
> > instead?
> >
> > That script was meant to be an abstraction for stuff like this at some
> > point.
>
> Ack, would be better in xcompile. Could somebody please test this on
> non-Linux platforms, too? E.g. Solaris, FreeBSD, OpenBSD etc. etc.
Okay then - here goes. Please test extensively.....
Jordan
[PATCH][v3] Add testcc() function to xcompile to check for -fno-stack-protector
enable xcompile to check for various compiler flags and set them in the
CFLAGS variable if they are located.
Signed-off-by: Jordan Crouse <[EMAIL PROTECTED]>
Index: LinuxBIOSv3/Makefile
===================================================================
--- LinuxBIOSv3.orig/Makefile 2007-07-03 16:29:49.000000000 -0600
+++ LinuxBIOSv3/Makefile 2007-07-03 16:32:01.000000000 -0600
@@ -96,6 +96,7 @@
AS := $(AS_$(ARCH))
LD := $(LD_$(ARCH))
OBJCOPY := $(OBJCOPY_$(ARCH))
+CFLAGS += $(CFLAGS_$(ARCH))
CPPFLAGS := $(LINUXBIOSINCLUDE)
CFLAGS += $(LINUXBIOSINCLUDE)
Index: LinuxBIOSv3/util/xcompile/xcompile
===================================================================
--- LinuxBIOSv3.orig/util/xcompile/xcompile 2007-07-03 16:32:16.000000000
-0600
+++ LinuxBIOSv3/util/xcompile/xcompile 2007-07-03 16:32:20.000000000 -0600
@@ -25,6 +25,15 @@
-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()
{
# $1 short name
@@ -45,18 +54,23 @@
case "$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 := $(searchgnu
objcopy)"
;;
*)
# FIXME: This should be detected.
+ CC="i386-linux-gcc"
echo "CC_x86 := i386-linux-gcc"
echo "AS_x86 := i386-linux-as"
echo "LD_x86 := i386-linux-ld"
@@ -64,6 +78,13 @@
;;
esac
+# This is where we test for various flags and other things
+
+CFLAGS=""
+testcc "$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.
--
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