@@ -574,11 +574,6 @@ 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 > $TMPC << EOF
int main(void) { return 0; }
@@ -1323,9 +1318,33 @@ EOF
fi
fi
-#
+##########################################
+# __sync_fetch_and_and requires at least -march=i486. Many toolchains
+# use i686 as default anyway, but for those that don't, an explicit
+# specification is necessary
+
+if test "$cpu" = "i386"; then
+ cat > $TMPC << EOF
+static int sfaa(int *ptr)
+{
+ return __sync_fetch_and_and(ptr, 0);
+}
+
+int main(void)
+{
+ int val = 42;
+ sfaa(&val);
+ return val;
+}
+EOF
+ if ! compile_prog "" "" ; then
+ QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
+ fi
+fi
+
+#########################################
# Solaris specific configure tool chain decisions
-#
+
if test "$solaris" = "yes" ; then
if has $install; then
:
@@ -3149,29 +3168,6 @@ if test "$trace_backend" = "dtrace"; then
fi
##########################################
-# __sync_fetch_and_and requires at least -march=i486. Many toolchains
-# use i686 as default anyway, but for those that don't, an explicit
-# specification is necessary
-if test "$vhost_net" = "yes" && test "$cpu" = "i386"; then
- cat > $TMPC << EOF
-static int sfaa(int *ptr)
-{
- return __sync_fetch_and_and(ptr, 0);
-}
-
-int main(void)
-{
- int val = 42;
- sfaa(&val);
- return val;
-}
-EOF
- if ! compile_prog "" "" ; then
- QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
- fi
-fi
-
-##########################################
# check and set a backend for coroutine
# We prefer ucontext, but it's not always possible. The fallback
We already had a test to add -march=i486 when needed. Make the existing test independent of vhost-net, so that it is also used under Win32. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- configure | 56 ++++++++++++++++++++++++++------------------------------ 1 file changed, 26 insertions(+), 30 deletions(-)