diff options
| author | Stefan Weil <sw@weilnetz.de> | 2013-03-29 18:20:20 +0100 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2013-03-30 14:08:07 +0000 |
| commit | 5e3a0f418c4d57399778cee0b55aebfb663b6425 (patch) | |
| tree | 68b3e5f7e9e505976ccbd3e37f831083fd822e5f /configure | |
| parent | e06335b9515f0508f33846e58b2028dfa4fc9983 (diff) | |
| download | qemu-5e3a0f418c4d57399778cee0b55aebfb663b6425.zip qemu-5e3a0f418c4d57399778cee0b55aebfb663b6425.tar.gz qemu-5e3a0f418c4d57399778cee0b55aebfb663b6425.tar.bz2 | |
w32: Fix build with older gcc (unresolved symbol)
The cross i586-mingw32msvc-gcc 4.4.4 from Debian Squeeze does not support
__sync_val_compare_and_swap by default.
Using -march=i686 fixes that and should also result in better code.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -562,6 +562,11 @@ if test "$mingw32" = "yes" ; then QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS" # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later) QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS" + if test "$cpu" = "i386"; then + # We need something better than i386 for __sync_val_compare_and_swap + # and can expect that QEMU will only run on i686 or later. + QEMU_CFLAGS="-march=i686 $QEMU_CFLAGS" + fi LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS" cat > $TMPC << EOF int main(void) { return 0; } |