- test for jpeg support

ext/gd/gd.c

@@ -1454,10 +1454,13 @@ static void _php_image_create_from(INTERNAL_FUNCTION_PARAMETERS, int image_type,
 				im = gdImageCreateFromXpm(fn);
 				break;
 #endif
+
+#ifdef HAVE_GD_JPG
 			case PHP_GDIMG_TYPE_JPG:
 				ignore_warning = INI_INT("gd.jpeg_ignore_warning");
 				im = gdImageCreateFromJpeg(fp, ignore_warning);
 				break;
+#endif
 
 			default:
 				im = (*func_p)(fp);