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Avoid (some) ppc cross-compilation problems

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[..snip..]

A recent kvm merge with qemu brought code for 64bit power that broke cross
compilation. The issue is caused by configure trying to execute target
architecture binaries where configure is executed.

[..snip..]

The patch is based on Hollis's Blanchard idea.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5364 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
malc 2008-09-30 19:44:32 +00:00
parent 674bb26172
commit 9d56d2dce6
1 changed files with 4 additions and 12 deletions
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16
configure vendored
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@ -15,6 +15,7 @@ TMPC="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.c"
TMPO="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.o" TMPO="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.o"
TMPE="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}" TMPE="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}"
TMPS="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.S" TMPS="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.S"
TMPI="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.i"
# default parameters # default parameters
prefix="" prefix=""
@ -673,17 +674,8 @@ fi
# ppc specific hostlongbits selection # ppc specific hostlongbits selection
if test "$cpu" = "powerpc" ; then if test "$cpu" = "powerpc" ; then
cat > $TMPC <<EOF if $cc $ARCH_CFLAGS -dM -E - -o $TMPI 2>/dev/null </dev/null; then
int main(void){return sizeof(long);} grep -q __powerpc64__ $TMPI && hostlongbits=64
EOF
if $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null; then
$TMPE
case $? in
4) hostlongbits="32";;
8) hostlongbits="64";;
*) echo "Couldn't determine bits per long value"; exit 1;;
esac
else else
echo hostlongbits test failed echo hostlongbits test failed
exit 1 exit 1
@ -1604,4 +1596,4 @@ if test "$source_path_used" = "yes" ; then
done done
fi fi
rm -f $TMPO $TMPC $TMPE $TMPS rm -f $TMPO $TMPC $TMPE $TMPS $TMPI