fix conflict, autoseect libgcj

3 files changed, 441 insertions, 483 deletions

diff --git a/package/libpng/Makefile b/package/libpng/Makefile
index ed5808ecf..2deced6df 100644
--- a/package/libpng/Makefile
+++ b/package/libpng/Makefile
@@ -4,9 +4,9 @@
 include ${TOPDIR}/rules.mk
 
 PKG_NAME:=		libpng
-PKG_VERSION:=		1.2.44
-PKG_RELEASE:=		3
-PKG_MD5SUM:=		89b62f8daaeeab1342e307d6d1411ff1
+PKG_VERSION:=		1.5.1
+PKG_RELEASE:=		1
+PKG_MD5SUM:=		220035f111ea045a51e290906025e8b5
 PKG_DESCR:=		A library for reading/writing PNG images
 PKG_SECTION:=		libs
 PKG_DEPENDS:=		zlib
@@ -27,14 +27,15 @@ include ${TOPDIR}/mk/package.mk
 $(eval $(call PKG_template,LIBPNG,libpng,${PKG_VERSION}-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION},${PKG_OPTS}))
 $(eval $(call PKG_template,LIBPNG_DEV,libpng-dev,${PKG_VERSION}-${PKG_RELEASE},${PKG_DEPENDS},${PKGSD_LIBPNG_DEV},${PKGSC_LIBPNG_DEV},${PKG_OPTS}))
 
+#TARGET_CFLAGS:=		$(filter-out -flto,$(TARGET_CFLAGS))
+
 libpng-install:
 	${INSTALL_DIR} ${IDIR_LIBPNG}/usr/lib
-	${CP} ${WRKINST}/usr/lib/libpng{,12}.so* ${IDIR_LIBPNG}/usr/lib
+	${CP} ${WRKINST}/usr/lib/libpng*.so* ${IDIR_LIBPNG}/usr/lib
 
 libpng-dev-install:
-	${INSTALL_DIR} ${IDIR_LIBPNG_DEV}/usr/include/libpng12
-	${CP} ${WRKINST}/usr/include/*.h ${IDIR_LIBPNG_DEV}/usr/include
-	${CP} ${WRKINST}/usr/include/libpng12/*.h ${IDIR_LIBPNG_DEV}/usr/include/libpng12
+	${INSTALL_DIR} ${IDIR_LIBPNG_DEV}/usr/include
+	${CP} ${WRKINST}/usr/include/* ${IDIR_LIBPNG_DEV}/usr/include
 	${INSTALL_DIR} ${IDIR_LIBPNG_DEV}/usr/lib/pkgconfig
 	${CP} ${WRKINST}/usr/lib/pkgconfig/*.pc \
 		${IDIR_LIBPNG_DEV}/usr/lib/pkgconfig
diff --git a/package/libpng/patches/001-apng.patch b/package/libpng/patches/001-apng.patch
index 3af4a0547..3b68eea9f 100644
--- a/package/libpng/patches/001-apng.patch
+++ b/package/libpng/patches/001-apng.patch
@@ -1,51 +1,7 @@
-diff -Nur libpng-1.2.44.orig/png.c libpng-1.2.44/png.c
---- libpng-1.2.44.orig/png.c	2010-06-26 02:31:14.000000000 +0200
-+++ libpng-1.2.44/png.c	2010-07-08 21:21:33.745873377 +0200
-@@ -56,6 +56,11 @@
- PNG_tIME;
- PNG_tRNS;
- PNG_zTXt;
-+#ifdef PNG_APNG_SUPPORTED
-+PNG_acTL;
-+PNG_fcTL;
-+PNG_fdAT;
-+#endif
- 
- #ifdef PNG_READ_SUPPORTED
- /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
-diff -Nur libpng-1.2.44.orig/pngconf.h libpng-1.2.44/pngconf.h
---- libpng-1.2.44.orig/pngconf.h	2010-06-26 02:31:14.000000000 +0200
-+++ libpng-1.2.44/pngconf.h	2010-07-08 21:21:33.906029659 +0200
-@@ -951,6 +951,10 @@
- #  define PNG_NO_READ_tEXt
- #  define PNG_NO_READ_zTXt
- #endif
-+#ifndef PNG_NO_READ_APNG
-+#  define PNG_READ_APNG_SUPPORTED
-+#  define PNG_APNG_SUPPORTED
-+#endif
- #ifndef PNG_NO_READ_bKGD
- #  define PNG_READ_bKGD_SUPPORTED
- #  define PNG_bKGD_SUPPORTED
-@@ -1177,6 +1181,14 @@
- #    define PNG_TEXT_SUPPORTED
- #  endif
- #endif
-+#ifndef PNG_NO_WRITE_APNG
-+#  ifndef PNG_WRITE_APNG_SUPPORTED
-+#    define PNG_WRITE_APNG_SUPPORTED
-+#  endif
-+#  ifndef PNG_APNG_SUPPORTED
-+#    define PNG_APNG_SUPPORTED
-+#  endif
-+#endif
- 
- #ifdef PNG_WRITE_tIME_SUPPORTED
- #  ifndef PNG_NO_CONVERT_tIME
-diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
---- libpng-1.2.44.orig/pngget.c	2010-06-26 02:31:14.000000000 +0200
-+++ libpng-1.2.44/pngget.c	2010-07-08 21:21:33.676118515 +0200
-@@ -842,6 +842,167 @@
+diff -Nur libpng-1.5.1.orig/pngget.c libpng-1.5.1/pngget.c
+--- libpng-1.5.1.orig/pngget.c	2011-02-03 05:58:17.000000000 +0100
++++ libpng-1.5.1/pngget.c	2011-03-27 19:43:38.404620874 +0200
+@@ -937,6 +937,167 @@
  }
  #endif
  
@@ -55,7 +11,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +             png_uint_32 *num_frames, png_uint_32 *num_plays)
 +{
 +    png_debug1(1, "in %s retrieval function", "acTL");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL &&
 +        (info_ptr->valid & PNG_INFO_acTL) &&
 +        num_frames != NULL && num_plays != NULL)
@@ -64,7 +20,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +        *num_plays = info_ptr->num_plays;
 +        return (1);
 +    }
-+    
++
 +    return (0);
 +}
 +
@@ -72,7 +28,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +png_get_num_frames(png_structp png_ptr, png_infop info_ptr)
 +{
 +    png_debug(1, "in png_get_num_frames()");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL)
 +        return (info_ptr->num_frames);
 +    return (0);
@@ -82,7 +38,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +png_get_num_plays(png_structp png_ptr, png_infop info_ptr)
 +{
 +    png_debug(1, "in png_get_num_plays()");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL)
 +        return (info_ptr->num_plays);
 +    return (0);
@@ -96,7 +52,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +             png_byte *dispose_op, png_byte *blend_op)
 +{
 +    png_debug1(1, "in %s retrieval function", "fcTL");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL &&
 +        (info_ptr->valid & PNG_INFO_fcTL) &&
 +        width != NULL && height != NULL && 
@@ -114,7 +70,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +        *blend_op = info_ptr->next_frame_blend_op;
 +        return (1);
 +    }
-+    
++
 +    return (0);
 +}
 +
@@ -122,7 +78,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +png_get_next_frame_width(png_structp png_ptr, png_infop info_ptr)
 +{
 +    png_debug(1, "in png_get_next_frame_width()");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL)
 +        return (info_ptr->next_frame_width);
 +    return (0);
@@ -132,7 +88,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +png_get_next_frame_height(png_structp png_ptr, png_infop info_ptr)
 +{
 +    png_debug(1, "in png_get_next_frame_height()");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL)
 +        return (info_ptr->next_frame_height);
 +    return (0);
@@ -142,7 +98,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +png_get_next_frame_x_offset(png_structp png_ptr, png_infop info_ptr)
 +{
 +    png_debug(1, "in png_get_next_frame_x_offset()");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL)
 +        return (info_ptr->next_frame_x_offset);
 +    return (0);
@@ -152,7 +108,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +png_get_next_frame_y_offset(png_structp png_ptr, png_infop info_ptr)
 +{
 +    png_debug(1, "in png_get_next_frame_y_offset()");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL)
 +        return (info_ptr->next_frame_y_offset);
 +    return (0);
@@ -162,7 +118,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +png_get_next_frame_delay_num(png_structp png_ptr, png_infop info_ptr)
 +{
 +    png_debug(1, "in png_get_next_frame_delay_num()");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL)
 +        return (info_ptr->next_frame_delay_num);
 +    return (0);
@@ -172,7 +128,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +png_get_next_frame_delay_den(png_structp png_ptr, png_infop info_ptr)
 +{
 +    png_debug(1, "in png_get_next_frame_delay_den()");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL)
 +        return (info_ptr->next_frame_delay_den);
 +    return (0);
@@ -182,7 +138,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +png_get_next_frame_dispose_op(png_structp png_ptr, png_infop info_ptr)
 +{
 +    png_debug(1, "in png_get_next_frame_dispose_op()");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL)
 +        return (info_ptr->next_frame_dispose_op);
 +    return (0);
@@ -192,7 +148,7 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +png_get_next_frame_blend_op(png_structp png_ptr, png_infop info_ptr)
 +{
 +    png_debug(1, "in png_get_next_frame_blend_op()");
-+    
++
 +    if (png_ptr != NULL && info_ptr != NULL)
 +        return (info_ptr->next_frame_blend_op);
 +    return (0);
@@ -202,41 +158,32 @@ diff -Nur libpng-1.2.44.orig/pngget.c libpng-1.2.44/pngget.c
 +png_get_first_frame_is_hidden(png_structp png_ptr, png_infop info_ptr)
 +{
 +    png_debug(1, "in png_first_frame_is_hidden()");
-+    
++
 +    if (png_ptr != NULL)
 +       return (png_byte)(png_ptr->apng_flags & PNG_FIRST_FRAME_HIDDEN);
-+    
++
 +    return 0;
 +}
 +#endif /* PNG_APNG_SUPPORTED */
 +
  #ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
- png_uint_32 PNGAPI
- png_get_unknown_chunks(png_structp png_ptr, png_infop info_ptr,
-diff -Nur libpng-1.2.44.orig/png.h libpng-1.2.44/png.h
---- libpng-1.2.44.orig/png.h	2010-06-26 02:31:14.000000000 +0200
-+++ libpng-1.2.44/png.h	2010-07-08 21:21:33.796029652 +0200
-@@ -1041,6 +1041,19 @@
-    png_fixed_point int_y_blue PNG_DEPSTRUCT;
+ int PNGAPI
+ png_get_unknown_chunks(png_const_structp png_ptr, png_const_infop info_ptr,
+diff -Nur libpng-1.5.1.orig/png.h libpng-1.5.1/png.h
+--- libpng-1.5.1.orig/png.h	2011-02-03 05:58:16.000000000 +0100
++++ libpng-1.5.1/png.h	2011-03-27 19:43:38.414620995 +0200
+@@ -404,6 +404,10 @@
+ #   include "pnglibconf.h"
  #endif
  
-+#ifdef PNG_APNG_SUPPORTED
-+   png_uint_32 num_frames; /* including default image */
-+   png_uint_32 num_plays;
-+   png_uint_32 next_frame_width;
-+   png_uint_32 next_frame_height;
-+   png_uint_32 next_frame_x_offset;
-+   png_uint_32 next_frame_y_offset;
-+   png_uint_16 next_frame_delay_num;
-+   png_uint_16 next_frame_delay_den;
-+   png_byte next_frame_dispose_op;
-+   png_byte next_frame_blend_op;
-+#endif
-+
- } png_info;
- 
- typedef png_info FAR * png_infop;
-@@ -1142,6 +1155,10 @@
++#define PNG_APNG_SUPPORTED
++#define PNG_READ_APNG_SUPPORTED
++#define PNG_WRITE_APNG_SUPPORTED
++
+ #ifndef PNG_VERSION_INFO_ONLY
+ /* Standard header files (not needed for the version info) */
+ #  ifdef PNG_SETJMP_SUPPORTED
+@@ -766,6 +770,10 @@
  #define PNG_INFO_sPLT 0x2000   /* ESR, 1.0.6 */
  #define PNG_INFO_sCAL 0x4000   /* ESR, 1.0.6 */
  #define PNG_INFO_IDAT 0x8000L  /* ESR, 1.0.6 */
@@ -247,257 +194,149 @@ diff -Nur libpng-1.2.44.orig/png.h libpng-1.2.44/png.h
  
  /* This is used for the transformation routines, as some of them
   * change these values for the row.  It also should enable using
-@@ -1182,6 +1199,10 @@
- typedef void (PNGAPI *png_progressive_end_ptr) PNGARG((png_structp, png_infop));
- typedef void (PNGAPI *png_progressive_row_ptr) PNGARG((png_structp, png_bytep,
-    png_uint_32, int));
+@@ -811,6 +819,10 @@
+     (png_structp, png_infop), );
+ typedef PNG_CALLBACK(void, *png_progressive_row_ptr,
+     (png_structp, png_bytep, png_uint_32, int), );
 +#ifdef PNG_APNG_SUPPORTED
-+typedef void (PNGAPI *png_progressive_frame_ptr) PNGARG((png_structp, 
-+   png_uint_32));
++typedef PNG_CALLBACK(void, *png_progressive_frame_ptr, (png_structp,
++    png_uint_32),);
 +#endif
  #endif
  
  #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
-@@ -1527,6 +1548,39 @@
-    png_uint_32 user_height_max PNG_DEPSTRUCT;
- #endif
+@@ -1242,6 +1254,18 @@
+ PNG_EXPORT(60, void, png_write_image,
+     (png_structp png_ptr, png_bytepp image));
  
-+#ifdef PNG_APNG_SUPPORTED
-+   png_uint_32 apng_flags;
-+   png_uint_32 next_seq_num;         /* next fcTL/fdAT chunk sequence number */
-+   png_uint_32 first_frame_width;
-+   png_uint_32 first_frame_height;
-+
-+#ifdef PNG_READ_APNG_SUPPORTED
-+   png_uint_32 num_frames_read;      /* incremented after all image data of */
-+                                     /* a frame is read */
-+#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
-+   png_progressive_frame_ptr frame_info_fn; /* frame info read callback */
-+   png_progressive_frame_ptr frame_end_fn;  /* frame data read callback */
-+#endif
-+#endif
-+
 +#ifdef PNG_WRITE_APNG_SUPPORTED
-+   png_uint_32 num_frames_to_write;
-+   png_uint_32 num_frames_written;
-+#endif
-+
-+/* For png_struct.apng_flags: */
-+#define PNG_FIRST_FRAME_HIDDEN       0x0001
-+
-+/* dispose_op flags from inside fcTL */
-+#define PNG_DISPOSE_OP_NONE        0x00
-+#define PNG_DISPOSE_OP_BACKGROUND  0x01
-+#define PNG_DISPOSE_OP_PREVIOUS    0x02
-+
-+/* blend_op flags from inside fcTL */
-+#define PNG_BLEND_OP_SOURCE        0x00
-+#define PNG_BLEND_OP_OVER          0x01
-+#endif /* PNG_APNG_SUPPORTED */
-+
- /* New member added in libpng-1.0.25 and 1.2.17 */
- #ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
-    /* Storage for unknown chunk that the library doesn't recognize. */
-@@ -1861,6 +1915,18 @@
- extern PNG_EXPORT(void,png_write_image) PNGARG((png_structp png_ptr,
-    png_bytepp image));
- 
-+#ifdef PNG_WRITE_APNG_SUPPORTED
-+extern PNG_EXPORT (void,png_write_frame_head) PNGARG((png_structp png_ptr,
-+   png_infop png_info, png_bytepp row_pointers,
-+   png_uint_32 width, png_uint_32 height,
-+   png_uint_32 x_offset, png_uint_32 y_offset, 
-+   png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op,
-+   png_byte blend_op));
++PNG_EXPORT(1001, void, png_write_frame_head, (png_structp png_ptr,
++    png_infop info_ptr, png_bytepp row_pointers,
++    png_uint_32 width, png_uint_32 height,
++    png_uint_32 x_offset, png_uint_32 y_offset,
++    png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op,
++    png_byte blend_op));
 +
-+extern PNG_EXPORT (void,png_write_frame_tail) PNGARG((png_structp png_ptr,
-+   png_infop png_info));
++PNG_EXPORT(1002, void, png_write_frame_tail, (png_structp png_ptr,
++    png_infop info_ptr));
 +#endif
-+   
- /* Writes the end of the PNG file. */
- extern PNG_EXPORT(void,png_write_end) PNGARG((png_structp png_ptr,
-    png_infop info_ptr));
-@@ -2114,6 +2180,11 @@
-    png_voidp progressive_ptr,
-    png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn,
-    png_progressive_end_ptr end_fn));
++
+ /* Write the end of the PNG file. */
+ PNG_EXPORT(61, void, png_write_end,
+     (png_structp png_ptr, png_infop info_ptr));
+@@ -1496,6 +1520,11 @@
+ PNG_EXPORT(90, void, png_set_progressive_read_fn, (png_structp png_ptr, 
+     png_voidp progressive_ptr, png_progressive_info_ptr info_fn, 
+     png_progressive_row_ptr row_fn, png_progressive_end_ptr end_fn));
 +#ifdef PNG_READ_APNG_SUPPORTED
-+extern PNG_EXPORT(void,png_set_progressive_frame_fn) PNGARG((png_structp png_ptr,
-+   png_progressive_frame_ptr frame_info_fn,
-+   png_progressive_frame_ptr frame_end_fn));
++PNG_EXPORT(1003, void, png_set_progressive_frame_fn, (png_structp png_ptr,
++    png_progressive_frame_ptr frame_info_fn,
++    png_progressive_frame_ptr frame_end_fn));
 +#endif
  
  /* Returns the user pointer associated with the push read functions */
- extern PNG_EXPORT(png_voidp,png_get_progressive_ptr)
-@@ -2554,6 +2625,59 @@
- #endif
- #endif /* PNG_sCAL_SUPPORTED || PNG_WRITE_sCAL_SUPPORTED */
+ PNG_EXPORT(91, png_voidp, png_get_progressive_ptr, (png_const_structp png_ptr));
+@@ -1970,6 +1999,62 @@
+     int unit, png_const_charp swidth, png_const_charp sheight));
+ #endif /* PNG_sCAL_SUPPORTED */
  
 +#ifdef PNG_APNG_SUPPORTED
-+extern PNG_EXPORT(png_uint_32,png_get_acTL) PNGARG((png_structp png_ptr,
++PNG_EXPORT(1004, png_uint_32, png_get_acTL, (png_structp png_ptr,
 +   png_infop info_ptr, png_uint_32 *num_frames, png_uint_32 *num_plays));
-+extern PNG_EXPORT(png_uint_32,png_set_acTL) PNGARG((png_structp png_ptr, 
++PNG_EXPORT(1005, png_uint_32, png_set_acTL, (png_structp png_ptr,
 +   png_infop info_ptr, png_uint_32 num_frames, png_uint_32 num_plays));
-+extern PNG_EXPORT(png_uint_32,png_get_num_frames) PNGARG((png_structp png_ptr,
++PNG_EXPORT(1006, png_uint_32, png_get_num_frames, (png_structp png_ptr,
++   png_infop info_ptr));
++PNG_EXPORT(1007, png_uint_32,png_get_num_plays, (png_structp png_ptr,
 +   png_infop info_ptr));
-+extern PNG_EXPORT(png_uint_32,png_get_num_plays) 
-+   PNGARG((png_structp png_ptr, png_infop info_ptr));
 +
-+extern PNG_EXPORT(png_uint_32,png_get_next_frame_fcTL) 
-+   PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 *width, 
-+   png_uint_32 *height, png_uint_32 *x_offset, png_uint_32 *y_offset, 
++PNG_EXPORT(1008, png_uint_32, png_get_next_frame_fcTL,
++   (png_structp png_ptr, png_infop info_ptr, png_uint_32 *width,
++   png_uint_32 *height, png_uint_32 *x_offset, png_uint_32 *y_offset,
 +   png_uint_16 *delay_num, png_uint_16 *delay_den, png_byte *dispose_op,
 +   png_byte *blend_op));
-+extern PNG_EXPORT(png_uint_32,png_set_next_frame_fcTL) 
-+   PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 width, 
-+   png_uint_32 height, png_uint_32 x_offset, png_uint_32 y_offset, 
++PNG_EXPORT(1009, png_uint_32, png_set_next_frame_fcTL,
++   (png_structp png_ptr, png_infop info_ptr, png_uint_32 width,
++   png_uint_32 height, png_uint_32 x_offset, png_uint_32 y_offset,
 +   png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op,
 +   png_byte blend_op));
-+extern PNG_EXPORT(void,png_ensure_fcTL_is_valid)
-+   PNGARG((png_structp png_ptr,
-+   png_uint_32 width, png_uint_32 height,
-+   png_uint_32 x_offset, png_uint_32 y_offset,
-+   png_uint_16 delay_num, png_uint_16 delay_den,
-+   png_byte dispose_op, png_byte blend_op));
-+extern PNG_EXPORT(png_uint_32,png_get_next_frame_width)
-+   PNGARG((png_structp png_ptr, png_infop info_ptr));
-+extern PNG_EXPORT(png_uint_32,png_get_next_frame_height)
-+   PNGARG((png_structp png_ptr, png_infop info_ptr));
-+extern PNG_EXPORT(png_uint_32,png_get_next_frame_x_offset)
-+   PNGARG((png_structp png_ptr, png_infop info_ptr));
-+extern PNG_EXPORT(png_uint_32,png_get_next_frame_y_offset)
-+   PNGARG((png_structp png_ptr, png_infop info_ptr));
-+extern PNG_EXPORT(png_uint_16,png_get_next_frame_delay_num)
-+   PNGARG((png_structp png_ptr, png_infop info_ptr));
-+extern PNG_EXPORT(png_uint_16,png_get_next_frame_delay_den)
-+   PNGARG((png_structp png_ptr, png_infop info_ptr));
-+extern PNG_EXPORT(png_byte,png_get_next_frame_dispose_op)
-+   PNGARG((png_structp png_ptr, png_infop info_ptr));
-+extern PNG_EXPORT(png_byte,png_get_next_frame_blend_op)
-+   PNGARG((png_structp png_ptr, png_infop info_ptr));
-+extern PNG_EXPORT(png_byte,png_get_first_frame_is_hidden)
-+   PNGARG((png_structp png_ptr, png_infop info_ptr));
-+extern PNG_EXPORT(png_uint_32,png_set_first_frame_is_hidden)
-+   PNGARG((png_structp png_ptr, png_infop info_ptr, png_byte is_hidden));
++PNG_EXPORT(1010, png_uint_32, png_get_next_frame_width,
++   (png_structp png_ptr, png_infop info_ptr));
++PNG_EXPORT(1011, png_uint_32, png_get_next_frame_height,
++   (png_structp png_ptr, png_infop info_ptr));
++PNG_EXPORT(1012, png_uint_32, png_get_next_frame_x_offset,
++   (png_structp png_ptr, png_infop info_ptr));
++PNG_EXPORT(1013, png_uint_32, png_get_next_frame_y_offset,
++   (png_structp png_ptr, png_infop info_ptr));
++PNG_EXPORT(1014, png_uint_16, png_get_next_frame_delay_num,
++   (png_structp png_ptr, png_infop info_ptr));
++PNG_EXPORT(1015, png_uint_16, png_get_next_frame_delay_den,
++   (png_structp png_ptr, png_infop info_ptr));
++PNG_EXPORT(1016, png_byte, png_get_next_frame_dispose_op,
++   (png_structp png_ptr, png_infop info_ptr));
++PNG_EXPORT(1017, png_byte, png_get_next_frame_blend_op,
++   (png_structp png_ptr, png_infop info_ptr));
++PNG_EXPORT(1018, png_byte, png_get_first_frame_is_hidden,
++   (png_structp png_ptr, png_infop info_ptr));
++PNG_EXPORT(1019, png_uint_32, png_set_first_frame_is_hidden,
++   (png_structp png_ptr, png_infop info_ptr, png_byte is_hidden));
++
++/* dispose_op flags from inside fcTL */
++#define PNG_DISPOSE_OP_NONE        0x00
++#define PNG_DISPOSE_OP_BACKGROUND  0x01
++#define PNG_DISPOSE_OP_PREVIOUS    0x02
++
++/* blend_op flags from inside fcTL */
++#define PNG_BLEND_OP_SOURCE        0x00
++#define PNG_BLEND_OP_OVER          0x01
 +#endif /* PNG_APNG_SUPPORTED */
 +
 +#ifdef PNG_READ_APNG_SUPPORTED
-+extern PNG_EXPORT(void,png_read_frame_head) PNGARG((png_structp png_ptr,
++PNG_EXPORT(1020, void, png_read_frame_head, (png_structp png_ptr,
 +   png_infop info_ptr));
 +#endif
 +
  #ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
  /* Provide a list of chunks and how they are to be handled, if the built-in
     handling or default unknown chunk handling is not desired.  Any chunks not
-@@ -2918,6 +3042,10 @@
- #define PNG_BACKGROUND_IS_GRAY     0x800
- #define PNG_HAVE_PNG_SIGNATURE    0x1000
- #define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */
-+#ifdef PNG_APNG_SUPPORTED
-+#define PNG_HAVE_acTL             0x4000
-+#define PNG_HAVE_fcTL             0x8000L
-+#endif
- 
- /* Flags for the transformations the PNG library does on the image data */
- #define PNG_BGR                0x0001
-@@ -3060,6 +3188,11 @@
- #define PNG_tIME png_byte png_tIME[5] = {116,  73,  77,  69, '\0'}
- #define PNG_tRNS png_byte png_tRNS[5] = {116,  82,  78,  83, '\0'}
- #define PNG_zTXt png_byte png_zTXt[5] = {122,  84,  88, 116, '\0'}
-+#ifdef PNG_APNG_SUPPORTED
-+#define PNG_acTL png_byte png_acTL[5] = { 97,  99,  84,  76, '\0'}
-+#define PNG_fcTL png_byte png_fcTL[5] = {102,  99,  84,  76, '\0'}
-+#define PNG_fdAT png_byte png_fdAT[5] = {102, 100,  65,  84, '\0'}
-+#endif
- 
- #ifdef PNG_USE_GLOBAL_ARRAYS
- PNG_EXPORT_VAR (png_byte FARDATA) png_IHDR[5];
-@@ -3083,6 +3216,11 @@
- PNG_EXPORT_VAR (png_byte FARDATA) png_tIME[5];
- PNG_EXPORT_VAR (png_byte FARDATA) png_tRNS[5];
- PNG_EXPORT_VAR (png_byte FARDATA) png_zTXt[5];
-+#ifdef PNG_APNG_SUPPORTED
-+PNG_EXPORT_VAR (png_byte FARDATA) png_acTL[5];
-+PNG_EXPORT_VAR (png_byte FARDATA) png_fcTL[5];
-+PNG_EXPORT_VAR (png_byte FARDATA) png_fdAT[5];
-+#endif
- #endif /* PNG_USE_GLOBAL_ARRAYS */
- 
- #if defined(PNG_1_0_X) || defined (PNG_1_2_X)
-@@ -3365,6 +3503,17 @@
- #endif
+diff -Nur libpng-1.5.1.orig/pnginfo.h libpng-1.5.1/pnginfo.h
+--- libpng-1.5.1.orig/pnginfo.h	2011-02-03 05:58:17.000000000 +0100
++++ libpng-1.5.1/pnginfo.h	2011-03-27 19:43:38.543370848 +0200
+@@ -266,5 +266,18 @@
+    png_bytepp row_pointers;        /* the image bits */
  #endif
  
-+#ifdef PNG_WRITE_APNG_SUPPORTED
-+PNG_EXTERN void png_write_acTL PNGARG((png_structp png_ptr,
-+   png_uint_32 num_frames, png_uint_32 num_plays));
-+
-+PNG_EXTERN void png_write_fcTL PNGARG((png_structp png_ptr, 
-+   png_uint_32 width, png_uint_32 height, 
-+   png_uint_32 x_offset, png_uint_32 y_offset, 
-+   png_uint_16 delay_num, png_uint_16 delay_den,
-+   png_byte dispose_op, png_byte blend_op));
-+#endif
-+
- /* Called when finished processing a row of data */
- PNG_EXTERN void png_write_finish_row PNGARG((png_structp png_ptr)) PNG_PRIVATE;
- 
-@@ -3417,6 +3566,20 @@
- PNG_EXTERN void png_read_transform_info PNGARG((png_structp png_ptr,
-    png_infop info_ptr)) PNG_PRIVATE;
- 
-+#ifdef PNG_READ_APNG_SUPPORTED
-+/* Private, reset some things to become ready for reading next frame */
-+PNG_EXTERN void png_read_reset PNGARG((png_structp png_ptr));
-+PNG_EXTERN void png_read_reinit PNGARG((png_structp png_ptr,
-+   png_infop info_ptr));
-+PNG_EXTERN void png_progressive_read_reset PNGARG((png_structp png_ptr));
-+#endif
-+#ifdef PNG_WRITE_APNG_SUPPORTED
-+/* Private, reset some things to become ready for writing next frame */
-+PNG_EXTERN void png_write_reset PNGARG((png_structp png_ptr));
-+PNG_EXTERN void png_write_reinit PNGARG((png_structp png_ptr, 
-+   png_infop info_ptr, png_uint_32 width, png_uint_32 height));
-+#endif
-+
- /* These are the functions that do the transformations */
- #ifdef PNG_READ_FILLER_SUPPORTED
- PNG_EXTERN void png_do_read_filler PNGARG((png_row_infop row_info,
-@@ -3640,6 +3803,18 @@
-    png_uint_32 length)) PNG_PRIVATE;
- #endif
- 
-+#ifdef PNG_READ_APNG_SUPPORTED
-+PNG_EXTERN void png_handle_acTL PNGARG((png_structp png_ptr, png_infop info_ptr,
-+   png_uint_32 length));
-+PNG_EXTERN void png_handle_fcTL PNGARG((png_structp png_ptr, png_infop info_ptr,
-+   png_uint_32 length));
-+PNG_EXTERN void png_have_info PNGARG((png_structp png_ptr, png_infop info_ptr));
-+PNG_EXTERN void png_handle_fdAT PNGARG((png_structp png_ptr, png_infop info_ptr,
-+   png_uint_32 length));
-+PNG_EXTERN void png_ensure_sequence_number PNGARG((png_structp png_ptr, 
-+   png_uint_32 length));
++#ifdef PNG_APNG_SUPPORTED
++   png_uint_32 num_frames; /* including default image */
++   png_uint_32 num_plays;
++   png_uint_32 next_frame_width;
++   png_uint_32 next_frame_height;
++   png_uint_32 next_frame_x_offset;
++   png_uint_32 next_frame_y_offset;
++   png_uint_16 next_frame_delay_num;
++   png_uint_16 next_frame_delay_den;
++   png_byte next_frame_dispose_op;
++   png_byte next_frame_blend_op;
 +#endif
 +
- PNG_EXTERN void png_handle_unknown PNGARG((png_structp png_ptr,
-    png_infop info_ptr, png_uint_32 length)) PNG_PRIVATE;
- 
-diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
---- libpng-1.2.44.orig/pngpread.c	2010-06-26 02:31:14.000000000 +0200
-+++ libpng-1.2.44/pngpread.c	2010-07-08 21:21:33.947205863 +0200
-@@ -206,6 +206,11 @@
+ };
+ #endif /* PNGINFO_H */
+diff -Nur libpng-1.5.1.orig/pngpread.c libpng-1.5.1/pngpread.c
+--- libpng-1.5.1.orig/pngpread.c	2011-02-03 05:58:17.000000000 +0100
++++ libpng-1.5.1/pngpread.c	2011-03-27 19:43:38.673370990 +0200
+@@ -263,6 +263,11 @@
  #ifdef PNG_READ_zTXt_SUPPORTED
-       PNG_CONST PNG_zTXt;
+       PNG_zTXt;
  #endif
 +#ifdef PNG_READ_APNG_SUPPORTED
-+      PNG_CONST PNG_acTL;
-+      PNG_CONST PNG_fcTL;
-+      PNG_CONST PNG_fdAT;
++      PNG_acTL;
++      PNG_fcTL;
++      PNG_fdAT;
 +#endif
- #endif /* PNG_USE_LOCAL_ARRAYS */
  
     /* First we make sure we have enough data for the 4 byte chunk name
-@@ -232,6 +237,103 @@
+     * and the 4 byte chunk length before proceeding with decoding the
+@@ -288,6 +293,103 @@
        png_ptr->mode |= PNG_HAVE_CHUNK_HEADER;
     }
  
@@ -510,7 +349,7 @@ diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
 +         /* Discard trailing IDATs for the first frame */
 +         if (png_ptr->mode & PNG_HAVE_fcTL || png_ptr->num_frames_read > 1)
 +            png_error(png_ptr, "out of place IDAT");
-+         
++
 +         if (png_ptr->push_length + 4 > png_ptr->buffer_size)
 +         {
 +            png_push_save_buffer(png_ptr);
@@ -528,13 +367,13 @@ diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
 +            return;
 +         }
 +         png_ensure_sequence_number(png_ptr, 4);
-+         
++
 +         if (!(png_ptr->mode & PNG_HAVE_fcTL))
 +         {
 +            /* Discard trailing fdATs for frames other than the first */
 +            if (png_ptr->num_frames_read < 2)
 +               png_error(png_ptr, "out of place fdAT");
-+            
++
 +            if (png_ptr->push_length + 4 > png_ptr->buffer_size)
 +            {
 +               png_push_save_buffer(png_ptr);
@@ -550,7 +389,7 @@ diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
 +            png_ptr->idat_size = png_ptr->push_length - 4;
 +            png_ptr->mode |= PNG_HAVE_IDAT;
 +            png_ptr->process_mode = PNG_READ_IDAT_MODE;
-+            
++
 +            return;
 +         }
 +      }
@@ -561,23 +400,23 @@ diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
 +            png_push_save_buffer(png_ptr);
 +            return;
 +         }
-+         
++
 +         png_read_reset(png_ptr);
 +         png_ptr->mode &= ~PNG_HAVE_fcTL;
-+         
++
 +         png_handle_fcTL(png_ptr, info_ptr, png_ptr->push_length);
-+         
++
 +         if (!(png_ptr->mode & PNG_HAVE_fcTL))
 +            png_error(png_ptr, "missing required fcTL chunk");
-+         
++
 +         png_read_reinit(png_ptr, info_ptr);
 +         png_progressive_read_reset(png_ptr);
-+         
++
 +         if (png_ptr->frame_info_fn != NULL)
 +            (*(png_ptr->frame_info_fn))(png_ptr, png_ptr->num_frames_read);
-+         
++
 +         png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER;
-+         
++
 +         return;
 +      }
 +      else
@@ -593,16 +432,16 @@ diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
 +         png_ptr->mode &= ~PNG_HAVE_CHUNK_HEADER;
 +         return;
 +      }
-+      
++
 +      return;
 +   }
 +#endif /* PNG_READ_APNG_SUPPORTED */
 +
     if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
-      if (png_ptr->mode & PNG_AFTER_IDAT)
-         png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT;
-@@ -327,6 +429,9 @@
-             png_error(png_ptr, "Too many IDAT's found");
+       if (png_ptr->mode & PNG_AFTER_IDAT)
+          png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT;
+@@ -383,6 +485,9 @@
+             png_benign_error(png_ptr, "Too many IDATs found");
        }
  
 +#ifdef PNG_READ_APNG_SUPPORTED
@@ -611,7 +450,7 @@ diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
        png_ptr->idat_size = png_ptr->push_length;
        png_ptr->mode |= PNG_HAVE_IDAT;
        png_ptr->process_mode = PNG_READ_IDAT_MODE;
-@@ -559,6 +664,38 @@
+@@ -615,6 +720,38 @@
     }
  
  #endif
@@ -650,17 +489,14 @@ diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
     else
     {
        if (png_ptr->push_length + 4 > png_ptr->buffer_size)
-@@ -738,13 +875,17 @@
+@@ -810,11 +947,15 @@
  png_push_read_IDAT(png_structp png_ptr)
  {
- #ifdef PNG_USE_LOCAL_ARRAYS
--   PNG_CONST PNG_IDAT;
-+   PNG_IDAT;
+    PNG_IDAT;
 +#ifdef PNG_READ_APNG_SUPPORTED
 +   PNG_fdAT;
 +   PNG_IEND;
 +#endif
- #endif
     if (!(png_ptr->mode & PNG_HAVE_CHUNK_HEADER))
     {
        png_byte chunk_length[4];
@@ -670,13 +506,13 @@ diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
        {
           png_push_save_buffer(png_ptr);
           return;
-@@ -756,15 +897,62 @@
+@@ -826,17 +967,64 @@
        png_crc_read(png_ptr, png_ptr->chunk_name, 4);
        png_ptr->mode |= PNG_HAVE_CHUNK_HEADER;
  
 -      if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
 +#ifdef PNG_READ_APNG_SUPPORTED
-+      if (png_memcmp(png_ptr->chunk_name, (png_bytep)png_fdAT, 4)
++      if (png_memcmp(png_ptr->chunk_name, png_fdAT, 4)
 +          && png_ptr->num_frames_read > 0)
 +      {
 +          if (png_ptr->flags & PNG_FLAG_ZLIB_FINISHED)
@@ -712,8 +548,10 @@ diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
 +         )
        {
           png_ptr->process_mode = PNG_READ_CHUNK_MODE;
+ 
           if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
              png_error(png_ptr, "Not enough compressed data");
+ 
 +#ifdef PNG_READ_APNG_SUPPORTED
 +         if (png_ptr->frame_end_fn != NULL)
 +            (*(png_ptr->frame_end_fn))(png_ptr, png_ptr->num_frames_read);
@@ -734,7 +572,7 @@ diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
     }
     if (png_ptr->idat_size && png_ptr->save_buffer_size)
     {
-@@ -1763,6 +1951,17 @@
+@@ -1843,6 +2031,17 @@
     png_set_read_fn(png_ptr, progressive_ptr, png_push_fill_buffer);
  }
  
@@ -750,25 +588,119 @@ diff -Nur libpng-1.2.44.orig/pngpread.c libpng-1.2.44/pngpread.c
 +#endif
 +
  png_voidp PNGAPI
- png_get_progressive_ptr(png_structp png_ptr)
+ png_get_progressive_ptr(png_const_structp png_ptr)
  {
-diff -Nur libpng-1.2.44.orig/pngread.c libpng-1.2.44/pngread.c
---- libpng-1.2.44.orig/pngread.c	2010-06-26 02:31:14.000000000 +0200
-+++ libpng-1.2.44/pngread.c	2010-07-08 21:21:33.676118515 +0200
-@@ -437,6 +437,11 @@
+diff -Nur libpng-1.5.1.orig/pngpriv.h libpng-1.5.1/pngpriv.h
+--- libpng-1.5.1.orig/pngpriv.h	2011-02-03 05:58:17.000000000 +0100
++++ libpng-1.5.1/pngpriv.h	2011-03-27 19:43:38.503370856 +0200
+@@ -275,6 +275,10 @@
+ #define PNG_BACKGROUND_IS_GRAY     0x800
+ #define PNG_HAVE_PNG_SIGNATURE    0x1000
+ #define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */
++#ifdef PNG_APNG_SUPPORTED
++#define PNG_HAVE_acTL             0x4000
++#define PNG_HAVE_fcTL             0x8000L
++#endif
+ 
+ /* Flags for the transformations the PNG library does on the image data */
+ #define PNG_BGR                 0x0001
+@@ -457,6 +461,14 @@
+ #define PNG_tIME PNG_CONST png_byte png_tIME[5] = {116,  73,  77,  69, '\0'}
+ #define PNG_tRNS PNG_CONST png_byte png_tRNS[5] = {116,  82,  78,  83, '\0'}
+ #define PNG_zTXt PNG_CONST png_byte png_zTXt[5] = {122,  84,  88, 116, '\0'}
++#ifdef PNG_APNG_SUPPORTED
++#define PNG_acTL PNG_CONST png_byte png_acTL[5] = { 97,  99,  84,  76, '\0'}
++#define PNG_fcTL PNG_CONST png_byte png_fcTL[5] = {102,  99,  84,  76, '\0'}
++#define PNG_fdAT PNG_CONST png_byte png_fdAT[5] = {102, 100,  65,  84, '\0'}
++
++/* For png_struct.apng_flags: */
++#define PNG_FIRST_FRAME_HIDDEN       0x0001
++#endif
+ 
+ 
+ /* Inhibit C++ name-mangling for libpng functions but not for system calls. */
+@@ -696,6 +708,17 @@
+     int unit, png_const_charp width, png_const_charp height));
+ #endif
+ 
++#ifdef PNG_WRITE_APNG_SUPPORTED
++PNG_EXTERN void png_write_acTL PNGARG((png_structp png_ptr,
++   png_uint_32 num_frames, png_uint_32 num_plays));
++
++PNG_EXTERN void png_write_fcTL PNGARG((png_structp png_ptr, 
++   png_uint_32 width, png_uint_32 height, 
++   png_uint_32 x_offset, png_uint_32 y_offset, 
++   png_uint_16 delay_num, png_uint_16 delay_den,
++   png_byte dispose_op, png_byte blend_op));
++#endif
++
+ /* Called when finished processing a row of data */
+ PNG_EXTERN void png_write_finish_row PNGARG((png_structp png_ptr));
+ 
+@@ -744,6 +767,20 @@
+ PNG_EXTERN void png_read_transform_info PNGARG((png_structp png_ptr,
+     png_infop info_ptr));
+ 
++#ifdef PNG_READ_APNG_SUPPORTED
++/* Private, reset some things to become ready for reading next frame */
++PNG_EXTERN void png_read_reset PNGARG((png_structp png_ptr));
++PNG_EXTERN void png_read_reinit PNGARG((png_structp png_ptr,
++   png_infop info_ptr));
++PNG_EXTERN void png_progressive_read_reset PNGARG((png_structp png_ptr));
++#endif
++#ifdef PNG_WRITE_APNG_SUPPORTED
++/* Private, reset some things to become ready for writing next frame */
++PNG_EXTERN void png_write_reset PNGARG((png_structp png_ptr));
++PNG_EXTERN void png_write_reinit PNGARG((png_structp png_ptr, 
++   png_infop info_ptr, png_uint_32 width, png_uint_32 height));
++#endif
++
+ /* These are the functions that do the transformations */
+ #ifdef PNG_READ_FILLER_SUPPORTED
+ PNG_EXTERN void png_do_read_filler PNGARG((png_row_infop row_info,
+@@ -972,6 +1009,25 @@
+     png_uint_32 length));
+ #endif
+ 
++#ifdef PNG_READ_APNG_SUPPORTED
++PNG_EXTERN void png_handle_acTL PNGARG((png_structp png_ptr, png_infop info_ptr,
++   png_uint_32 length));
++PNG_EXTERN void png_handle_fcTL PNGARG((png_structp png_ptr, png_infop info_ptr,
++   png_uint_32 length));
++PNG_EXTERN void png_have_info PNGARG((png_structp png_ptr, png_infop info_ptr));
++PNG_EXTERN void png_handle_fdAT PNGARG((png_structp png_ptr, png_infop info_ptr,
++   png_uint_32 length));
++PNG_EXTERN void png_ensure_sequence_number PNGARG((png_structp png_ptr, 
++   png_uint_32 length));
++#endif
++#ifdef PNG_APNG_SUPPORTED
++PNG_EXTERN void png_ensure_fcTL_is_valid PNGARG((png_structp png_ptr,
++   png_uint_32 width, png_uint_32 height,
++   png_uint_32 x_offset, png_uint_32 y_offset,
++   png_uint_16 delay_num, png_uint_16 delay_den,
++   png_byte dispose_op, png_byte blend_op));
++#endif
++
+ PNG_EXTERN void png_handle_unknown PNGARG((png_structp png_ptr,
+     png_infop info_ptr, png_uint_32 length));
+ 
+diff -Nur libpng-1.5.1.orig/pngread.c libpng-1.5.1/pngread.c
+--- libpng-1.5.1.orig/pngread.c	2011-02-03 05:58:17.000000000 +0100
++++ libpng-1.5.1/pngread.c	2011-03-27 19:43:38.383370613 +0200
+@@ -292,6 +292,11 @@
  #ifdef PNG_READ_zTXt_SUPPORTED
-       PNG_CONST PNG_zTXt;
+       PNG_zTXt;
  #endif
 +#ifdef PNG_READ_APNG_SUPPORTED
-+      PNG_CONST PNG_acTL;
-+      PNG_CONST PNG_fcTL;
-+      PNG_CONST PNG_fdAT;
++      PNG_acTL;
++      PNG_fcTL;
++      PNG_fdAT;
 +#endif
- #endif /* PNG_USE_LOCAL_ARRAYS */
        png_uint_32 length = png_read_chunk_header(png_ptr);
        PNG_CONST png_bytep chunk_name = png_ptr->chunk_name;
-@@ -481,6 +486,9 @@
-                   !(png_ptr->mode & PNG_HAVE_PLTE))
+ 
+@@ -344,6 +349,9 @@
+              !(png_ptr->mode & PNG_HAVE_PLTE))
              png_error(png_ptr, "Missing PLTE before IDAT");
  
 +#ifdef PNG_READ_APNG_SUPPORTED
@@ -777,10 +709,10 @@ diff -Nur libpng-1.2.44.orig/pngread.c libpng-1.2.44/pngread.c
           png_ptr->idat_size = length;
           png_ptr->mode |= PNG_HAVE_IDAT;
           break;
-@@ -553,12 +561,97 @@
-       else if (!png_memcmp(chunk_name, png_iTXt, 4))
+@@ -434,12 +442,96 @@
           png_handle_iTXt(png_ptr, info_ptr, length);
  #endif
+ 
 +#ifdef PNG_READ_APNG_SUPPORTED
 +      else if (!png_memcmp(chunk_name, png_acTL, 4))
 +         png_handle_acTL(png_ptr, info_ptr, length);
@@ -789,6 +721,7 @@ diff -Nur libpng-1.2.44.orig/pngread.c libpng-1.2.44/pngread.c
 +      else if (!png_memcmp(chunk_name, png_fdAT, 4))
 +         png_handle_fdAT(png_ptr, info_p