From 0f7444c4a845ae2fcf0b5d6a75f52f9ce9b13500 Mon Sep 17 00:00:00 2001
From: Sander Steffann <steffann@php.net>
Date: Wed, 24 Nov 1999 21:43:54 +0000
Subject: [PATCH] Some patched versions of GD support both GIF and PNG. The GD
 module now checks for both instead of assuming that PNG support means that
 there is no GIF support anymore.

---
 ext/gd/config.h.stub | 3 +++
 ext/gd/config.m4     | 2 ++
 ext/gd/gd.c          | 9 ++++++---
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/ext/gd/config.h.stub b/ext/gd/config.h.stub
index d13e8df475..1fce8aa1a0 100644
--- a/ext/gd/config.h.stub
+++ b/ext/gd/config.h.stub
@@ -8,4 +8,7 @@
 #undef FREETYPE_4BIT_ANTIALIAS_HACK
 #undef HAVE_LIBFREETYPE
 #undef HAVE_LIBTTF
+
+/* Some versions of GD support both PNG and GIF. Set defines for both. */
 #undef HAVE_GD_PNG
+#undef HAVE_GD_GIF
diff --git a/ext/gd/config.m4 b/ext/gd/config.m4
index aa7208b043..ccb332cafc 100644
--- a/ext/gd/config.m4
+++ b/ext/gd/config.m4
@@ -25,7 +25,9 @@ AC_ARG_WITH(gd,
         AC_CHECK_LIB(gd, gdImageString16, [ AC_DEFINE(HAVE_LIBGD13) ])
 		LIBS="$LIBS -lpng -lz"
         AC_CHECK_LIB(gd, gdImageColorResolve, [AC_DEFINE(HAVE_GDIMAGECOLORRESOLVE,1)])
+dnl Some versions of GD support both PNG and GIF. Check for both.
         AC_CHECK_LIB(gd, gdImageCreateFromPng, [AC_DEFINE(HAVE_GD_PNG, 1)])
+        AC_CHECK_LIB(gd, gdImageCreateFromGif, [AC_DEFINE(HAVE_GD_GIF, 1)])
         
         LIBS=$old_LIBS
         LDFLAGS=$old_LDFLAGS
diff --git a/ext/gd/gd.c b/ext/gd/gd.c
index b2b7a8bcf9..7d4bddd642 100644
--- a/ext/gd/gd.c
+++ b/ext/gd/gd.c
@@ -101,7 +101,8 @@ function_entry gd_functions[] = {
 #ifdef HAVE_GD_PNG
 	PHP_FE(imagecreatefrompng,						NULL)
 	PHP_FE(imagepng,								NULL)
-#else
+#endif
+#ifdef HAVE_GD_GIF
 	PHP_FE(imagecreatefromgif,						NULL)
 	PHP_FE(imagegif,								NULL)
 #endif
@@ -479,7 +480,9 @@ void php3_imagepng (INTERNAL_FUNCTION_PARAMETERS) {
 }
 /* }}} */
 
-#else
+#endif /* HAVE_GD_PNG */
+
+#ifdef HAVE_GD_GIF
 
 /* {{{ proto int imagecreatefromgif(string filename)
 Create a new image from file or URL */
@@ -604,7 +607,7 @@ PHP_FUNCTION(imagegif )
 }
 /* }}} */
 
-#endif /* HAVE_IMAGECREATEFROMPNG */
+#endif /* HAVE_GD_GIF */
 
 /* {{{ proto int imagedestroy(int im)
 Destroy an image */
-- 
2.50.1