[Qemu-devel] [PATCH] w64: Fix compiler warning [-Wformat]

[Stefan Weil]

Glib2 uses __printf__ in macro G_GNUC_PRINTF for printf like
functions. For MinGW, we want __gnu_printf__ because we use
POSIX format specifiers instead of the MS format specifiers.

Signed-off-by: Stefan Weil <address@hidden>
---
 configure |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/configure b/configure
index 7cbf4b4..7e69574 100755
--- a/configure
+++ b/configure
@@ -512,6 +512,8 @@ 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"
+  # GLIB2 and other libraries also support C99/POSIX format strings.
+  QEMU_CFLAGS="-D__printf__=__gnu_printf__ $QEMU_CFLAGS"
   LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
 cat > $TMPC << EOF
 int main(void) { return 0; }
-- 
1.7.10