fix #41048 (PHP6 Segmentation fault issue)

diff --git a/ext/gd/config.m4 b/ext/gd/config.m4
index b41bfbef97d44bae75cb1309faded7f6d722b150..6df2caf07a0b7cd6aaa81903db2ca22af8ea4d4a 100644 (file)
--- a/ext/gd/config.m4
+++ b/ext/gd/config.m4
@@ -288,6 +288,7 @@ dnl These are always defined with bundled library
   AC_DEFINE(HAVE_GD_GIF_READ,         1, [ ])
   AC_DEFINE(HAVE_GD_GIF_CREATE,       1, [ ])
   AC_DEFINE(HAVE_GD_FONTCACHESHUTDOWN,1, [ ])
+  AC_DEFINE(HAVE_GD_FONTMUTEX,        1, [ ])
 
 elif test "$PHP_GD" != "no"; then