diff --git a/libpng-1.6.16-apng.patch b/libpng-1.6.17-apng.patch
similarity index 94%
rename from libpng-1.6.16-apng.patch
rename to libpng-1.6.17-apng.patch
index 76ba9cc..3dfd40c 100644
--- a/libpng-1.6.16-apng.patch
+++ b/libpng-1.6.17-apng.patch
@@ -1,7 +1,7 @@
-diff -Naru libpng-1.6.16.org/png.h libpng-1.6.16/png.h
---- libpng-1.6.16.org/png.h	2014-12-23 13:43:20.602727303 +0900
-+++ libpng-1.6.16/png.h	2014-12-23 13:43:20.681729791 +0900
-@@ -476,6 +476,10 @@
+diff -Naru libpng-1.6.17.org/png.h libpng-1.6.17/png.h
+--- libpng-1.6.17.org/png.h	2015-03-27 07:56:22.460189754 +0900
++++ libpng-1.6.17/png.h	2015-03-27 07:56:22.536191843 +0900
+@@ -480,6 +480,10 @@
  #   include "pnglibconf.h"
  #endif
  
@@ -12,7 +12,7 @@ diff -Naru libpng-1.6.16.org/png.h libpng-1.6.16/png.h
  #ifndef PNG_VERSION_INFO_ONLY
     /* Machine specific configuration. */
  #  include "pngconf.h"
-@@ -566,6 +570,17 @@
+@@ -570,6 +574,17 @@
   * See pngconf.h for base types that vary by machine/system
   */
  
@@ -30,7 +30,7 @@ diff -Naru libpng-1.6.16.org/png.h libpng-1.6.16/png.h
  /* This triggers a compiler error in png.c, if png.c and png.h
   * do not agree upon the version number.
   */
-@@ -886,6 +901,10 @@
+@@ -890,6 +905,10 @@
  #define PNG_INFO_sPLT 0x2000   /* ESR, 1.0.6 */
  #define PNG_INFO_sCAL 0x4000   /* ESR, 1.0.6 */
  #define PNG_INFO_IDAT 0x8000   /* ESR, 1.0.6 */
@@ -41,7 +41,7 @@ diff -Naru libpng-1.6.16.org/png.h libpng-1.6.16/png.h
  
  /* This is used for the transformation routines, as some of them
   * change these values for the row.  It also should enable using
-@@ -923,6 +942,10 @@
+@@ -927,6 +946,10 @@
  #ifdef PNG_PROGRESSIVE_READ_SUPPORTED
  typedef PNG_CALLBACK(void, *png_progressive_info_ptr, (png_structp, png_infop));
  typedef PNG_CALLBACK(void, *png_progressive_end_ptr, (png_structp, png_infop));
@@ -52,7 +52,7 @@ diff -Naru libpng-1.6.16.org/png.h libpng-1.6.16/png.h
  
  /* The following callback receives png_uint_32 row_number, int pass for the
   * png_bytep data of the row.  When transforming an interlaced image the
-@@ -3261,6 +3284,74 @@
+@@ -3271,6 +3294,74 @@
  /*******************************************************************************
   *  END OF HARDWARE AND SOFTWARE OPTIONS
   ******************************************************************************/
@@ -127,7 +127,7 @@ diff -Naru libpng-1.6.16.org/png.h libpng-1.6.16/png.h
  
  /* Maintainer: Put new public prototypes here ^, in libpng.3, in project
   * defs, and in scripts/symbols.def.
-@@ -3270,7 +3361,11 @@
+@@ -3280,7 +3371,11 @@
   * one to use is one more than this.)
   */
  #ifdef PNG_EXPORT_LAST_ORDINAL
@@ -139,10 +139,10 @@ diff -Naru libpng-1.6.16.org/png.h libpng-1.6.16/png.h
  #endif
  
  #ifdef __cplusplus
-diff -Naru libpng-1.6.16.org/pngget.c libpng-1.6.16/pngget.c
---- libpng-1.6.16.org/pngget.c	2014-12-23 13:43:20.603727334 +0900
-+++ libpng-1.6.16/pngget.c	2014-12-23 13:43:20.682729822 +0900
-@@ -1210,4 +1210,166 @@
+diff -Naru libpng-1.6.17.org/pngget.c libpng-1.6.17/pngget.c
+--- libpng-1.6.17.org/pngget.c	2015-03-27 07:56:22.461189782 +0900
++++ libpng-1.6.17/pngget.c	2015-03-27 07:56:22.537191870 +0900
+@@ -1216,4 +1216,166 @@
  #  endif
  #endif
  
@@ -309,10 +309,10 @@ diff -Naru libpng-1.6.16.org/pngget.c libpng-1.6.16/pngget.c
 +}
 +#endif /* PNG_APNG_SUPPORTED */
  #endif /* READ || WRITE */
-diff -Naru libpng-1.6.16.org/pnginfo.h libpng-1.6.16/pnginfo.h
---- libpng-1.6.16.org/pnginfo.h	2014-12-23 13:43:20.603727334 +0900
-+++ libpng-1.6.16/pnginfo.h	2014-12-23 13:43:20.682729822 +0900
-@@ -256,5 +256,18 @@
+diff -Naru libpng-1.6.17.org/pnginfo.h libpng-1.6.17/pnginfo.h
+--- libpng-1.6.17.org/pnginfo.h	2015-03-27 07:56:22.461189782 +0900
++++ libpng-1.6.17/pnginfo.h	2015-03-27 07:56:22.537191870 +0900
+@@ -255,5 +255,18 @@
     png_bytepp row_pointers;        /* the image bits */
  #endif
  
@@ -331,9 +331,9 @@ diff -Naru libpng-1.6.16.org/pnginfo.h libpng-1.6.16/pnginfo.h
 +
  };
  #endif /* PNGINFO_H */
-diff -Naru libpng-1.6.16.org/pngpread.c libpng-1.6.16/pngpread.c
---- libpng-1.6.16.org/pngpread.c	2014-12-23 13:43:20.603727334 +0900
-+++ libpng-1.6.16/pngpread.c	2014-12-23 13:43:20.683729854 +0900
+diff -Naru libpng-1.6.17.org/pngpread.c libpng-1.6.17/pngpread.c
+--- libpng-1.6.17.org/pngpread.c	2015-03-27 07:56:22.461189782 +0900
++++ libpng-1.6.17/pngpread.c	2015-03-27 07:56:22.537191870 +0900
 @@ -219,6 +219,109 @@
  
     chunk_name = png_ptr->chunk_name;
@@ -578,7 +578,7 @@ diff -Naru libpng-1.6.16.org/pngpread.c libpng-1.6.16/pngpread.c
     /* This routine must process all the data it has been given
      * before returning, calling the row callback as required to
      * handle the uncompressed results.
-@@ -1157,6 +1347,18 @@
+@@ -1163,6 +1353,18 @@
     png_set_read_fn(png_ptr, progressive_ptr, png_push_fill_buffer);
  }
  
@@ -597,10 +597,10 @@ diff -Naru libpng-1.6.16.org/pngpread.c libpng-1.6.16/pngpread.c
  png_voidp PNGAPI
  png_get_progressive_ptr(png_const_structrp png_ptr)
  {
-diff -Naru libpng-1.6.16.org/pngpriv.h libpng-1.6.16/pngpriv.h
---- libpng-1.6.16.org/pngpriv.h	2014-12-23 13:43:20.604727366 +0900
-+++ libpng-1.6.16/pngpriv.h	2014-12-23 13:43:20.683729854 +0900
-@@ -555,6 +555,10 @@
+diff -Naru libpng-1.6.17.org/pngpriv.h libpng-1.6.17/pngpriv.h
+--- libpng-1.6.17.org/pngpriv.h	2015-03-27 07:56:22.462189809 +0900
++++ libpng-1.6.17/pngpriv.h	2015-03-27 07:56:22.538191898 +0900
+@@ -516,6 +516,10 @@
  #define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */
                     /*             0x4000 (unused) */
  #define PNG_IS_READ_STRUCT        0x8000 /* Else is a write struct */
@@ -611,7 +611,7 @@ diff -Naru libpng-1.6.16.org/pngpriv.h libpng-1.6.16/pngpriv.h
  
  /* Flags for the transformations the PNG library does on the image data */
  #define PNG_BGR                 0x0001
-@@ -776,6 +780,16 @@
+@@ -737,6 +741,16 @@
  #define png_tRNS PNG_U32(116,  82,  78,  83)
  #define png_zTXt PNG_U32(122,  84,  88, 116)
  
@@ -628,7 +628,7 @@ diff -Naru libpng-1.6.16.org/pngpriv.h libpng-1.6.16/pngpriv.h
  /* The following will work on (signed char*) strings, whereas the get_uint_32
   * macro will fail on top-bit-set values because of the sign extension.
   */
-@@ -1476,6 +1490,47 @@
+@@ -1440,6 +1454,47 @@
       */
  #endif
  
@@ -676,9 +676,9 @@ diff -Naru libpng-1.6.16.org/pngpriv.h libpng-1.6.16/pngpriv.h
  /* Added at libpng version 1.4.0 */
  #ifdef PNG_COLORSPACE_SUPPORTED
  /* These internal functions are for maintaining the colorspace structure within
-diff -Naru libpng-1.6.16.org/pngread.c libpng-1.6.16/pngread.c
---- libpng-1.6.16.org/pngread.c	2014-12-23 13:43:20.605727397 +0900
-+++ libpng-1.6.16/pngread.c	2014-12-23 13:43:20.684729885 +0900
+diff -Naru libpng-1.6.17.org/pngread.c libpng-1.6.17/pngread.c
+--- libpng-1.6.17.org/pngread.c	2015-03-27 07:56:22.463189837 +0900
++++ libpng-1.6.17/pngread.c	2015-03-27 07:56:22.539191925 +0900
 @@ -158,6 +158,9 @@
  
        else if (chunk_name == png_IDAT)
@@ -780,9 +780,9 @@ diff -Naru libpng-1.6.16.org/pngread.c libpng-1.6.16/pngread.c
  /* Optional call to update the users info_ptr structure */
  void PNGAPI
  png_read_update_info(png_structrp png_ptr, png_inforp info_ptr)
-diff -Naru libpng-1.6.16.org/pngrutil.c libpng-1.6.16/pngrutil.c
---- libpng-1.6.16.org/pngrutil.c	2014-12-23 13:43:20.607727460 +0900
-+++ libpng-1.6.16/pngrutil.c	2014-12-23 13:43:20.686729948 +0900
+diff -Naru libpng-1.6.17.org/pngrutil.c libpng-1.6.17/pngrutil.c
+--- libpng-1.6.17.org/pngrutil.c	2015-03-27 07:56:22.469190002 +0900
++++ libpng-1.6.17/pngrutil.c	2015-03-27 07:56:22.541191980 +0900
 @@ -819,6 +819,11 @@
     filter_type = buf[11];
     interlace_type = buf[12];
@@ -795,7 +795,7 @@ diff -Naru libpng-1.6.16.org/pngrutil.c libpng-1.6.16/pngrutil.c
     /* Set internal variables */
     png_ptr->width = width;
     png_ptr->height = height;
-@@ -2700,6 +2705,179 @@
+@@ -2702,6 +2707,179 @@
  }
  #endif
  
@@ -975,7 +975,7 @@ diff -Naru libpng-1.6.16.org/pngrutil.c libpng-1.6.16/pngrutil.c
  #ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
  /* Utility function for png_handle_unknown; set up png_ptr::unknown_chunk */
  static int
-@@ -3958,7 +4136,38 @@
+@@ -3960,7 +4138,38 @@
        {
           uInt avail_in;
           png_bytep buffer;
@@ -1014,7 +1014,7 @@ diff -Naru libpng-1.6.16.org/pngrutil.c libpng-1.6.16/pngrutil.c
           while (png_ptr->idat_size == 0)
           {
              png_crc_finish(png_ptr, 0);
-@@ -3970,7 +4179,7 @@
+@@ -3972,7 +4181,7 @@
              if (png_ptr->chunk_name != png_IDAT)
                 png_error(png_ptr, "Not enough image data");
           }
@@ -1023,7 +1023,7 @@ diff -Naru libpng-1.6.16.org/pngrutil.c libpng-1.6.16/pngrutil.c
           avail_in = png_ptr->IDAT_read_size;
  
           if (avail_in > png_ptr->idat_size)
-@@ -4033,6 +4242,9 @@
+@@ -4035,6 +4244,9 @@
  
           png_ptr->mode |= PNG_AFTER_IDAT;
           png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED;
@@ -1033,7 +1033,7 @@ diff -Naru libpng-1.6.16.org/pngrutil.c libpng-1.6.16/pngrutil.c
  
           if (png_ptr->zstream.avail_in > 0 || png_ptr->idat_size > 0)
              png_chunk_benign_error(png_ptr, "Extra compressed data");
-@@ -4471,4 +4683,80 @@
+@@ -4473,4 +4685,80 @@
  
     png_ptr->flags |= PNG_FLAG_ROW_INIT;
  }
@@ -1114,10 +1114,10 @@ diff -Naru libpng-1.6.16.org/pngrutil.c libpng-1.6.16/pngrutil.c
 +#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
 +#endif /* PNG_READ_APNG_SUPPORTED */
  #endif /* READ */
-diff -Naru libpng-1.6.16.org/pngset.c libpng-1.6.16/pngset.c
---- libpng-1.6.16.org/pngset.c	2014-12-23 13:43:20.607727460 +0900
-+++ libpng-1.6.16/pngset.c	2014-12-23 13:43:20.686729948 +0900
-@@ -240,6 +240,11 @@
+diff -Naru libpng-1.6.17.org/pngset.c libpng-1.6.17/pngset.c
+--- libpng-1.6.17.org/pngset.c	2015-03-27 07:56:22.469190002 +0900
++++ libpng-1.6.17/pngset.c	2015-03-27 07:56:22.541191980 +0900
+@@ -241,6 +241,11 @@
     info_ptr->pixel_depth = (png_byte)(info_ptr->channels * info_ptr->bit_depth);
  
     info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width);
@@ -1129,7 +1129,7 @@ diff -Naru libpng-1.6.16.org/pngset.c libpng-1.6.16/pngset.c
  }
  
  #ifdef PNG_oFFs_SUPPORTED
-@@ -1071,6 +1076,147 @@
+@@ -1090,6 +1095,147 @@
  }
  #endif /* sPLT */
  
@@ -1277,10 +1277,10 @@ diff -Naru libpng-1.6.16.org/pngset.c libpng-1.6.16/pngset.c
  #ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED
  static png_byte
  check_location(png_const_structrp png_ptr, int location)
-diff -Naru libpng-1.6.16.org/pngstruct.h libpng-1.6.16/pngstruct.h
---- libpng-1.6.16.org/pngstruct.h	2014-12-23 13:43:20.608727492 +0900
-+++ libpng-1.6.16/pngstruct.h	2014-12-23 13:43:20.686729948 +0900
-@@ -409,6 +409,27 @@
+diff -Naru libpng-1.6.17.org/pngstruct.h libpng-1.6.17/pngstruct.h
+--- libpng-1.6.17.org/pngstruct.h	2015-03-27 07:56:22.470190029 +0900
++++ libpng-1.6.17/pngstruct.h	2015-03-27 07:56:22.541191980 +0900
+@@ -408,6 +408,27 @@
     png_byte filter_type;
  #endif
  
@@ -1308,9 +1308,9 @@ diff -Naru libpng-1.6.16.org/pngstruct.h libpng-1.6.16/pngstruct.h
  /* New members added in libpng-1.2.0 */
  
  /* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */
-diff -Naru libpng-1.6.16.org/pngtest.c libpng-1.6.16/pngtest.c
---- libpng-1.6.16.org/pngtest.c	2014-12-23 13:43:20.608727492 +0900
-+++ libpng-1.6.16/pngtest.c	2014-12-23 13:43:20.687729980 +0900
+diff -Naru libpng-1.6.17.org/pngtest.c libpng-1.6.17/pngtest.c
+--- libpng-1.6.17.org/pngtest.c	2015-03-27 07:56:22.470190029 +0900
++++ libpng-1.6.17/pngtest.c	2015-03-27 07:56:22.541191980 +0900
 @@ -849,6 +849,10 @@
     png_uint_32 width, height;
     int num_pass = 1, pass;
@@ -1433,9 +1433,9 @@ diff -Naru libpng-1.6.16.org/pngtest.c libpng-1.6.16/pngtest.c
     for (pass = 0; pass < num_pass; pass++)
     {
        pngtest_debug1("Writing row data for pass %d", pass);
-diff -Naru libpng-1.6.16.org/pngwrite.c libpng-1.6.16/pngwrite.c
---- libpng-1.6.16.org/pngwrite.c	2014-12-23 13:43:20.609727523 +0900
-+++ libpng-1.6.16/pngwrite.c	2014-12-23 13:43:20.687729980 +0900
+diff -Naru libpng-1.6.17.org/pngwrite.c libpng-1.6.17/pngwrite.c
+--- libpng-1.6.17.org/pngwrite.c	2015-03-27 07:56:22.471190057 +0900
++++ libpng-1.6.17/pngwrite.c	2015-03-27 07:56:22.542192007 +0900
 @@ -127,6 +127,10 @@
      * application continues writing the PNG.  So check the 'invalid' flag here
      * too.
@@ -1459,7 +1459,7 @@ diff -Naru libpng-1.6.16.org/pngwrite.c libpng-1.6.16/pngwrite.c
     /* See if user wants us to write information chunks */
     if (info_ptr != NULL)
     {
-@@ -1678,6 +1687,43 @@
+@@ -1680,6 +1689,43 @@
  }
  #endif
  
@@ -1503,9 +1503,9 @@ diff -Naru libpng-1.6.16.org/pngwrite.c libpng-1.6.16/pngwrite.c
  
  #ifdef PNG_SIMPLIFIED_WRITE_SUPPORTED
  #ifdef PNG_STDIO_SUPPORTED /* currently required for png_image_write_* */
-diff -Naru libpng-1.6.16.org/pngwutil.c libpng-1.6.16/pngwutil.c
---- libpng-1.6.16.org/pngwutil.c	2014-12-23 13:43:20.610727555 +0900
-+++ libpng-1.6.16/pngwutil.c	2014-12-23 13:43:20.688730012 +0900
+diff -Naru libpng-1.6.17.org/pngwutil.c libpng-1.6.17/pngwutil.c
+--- libpng-1.6.17.org/pngwutil.c	2015-03-27 07:56:22.477190222 +0900
++++ libpng-1.6.17/pngwutil.c	2015-03-27 07:56:22.543192035 +0900
 @@ -901,6 +901,11 @@
     /* Write the chunk */
     png_write_complete_chunk(png_ptr, png_IHDR, buf, (png_size_t)13);
@@ -1632,7 +1632,7 @@ diff -Naru libpng-1.6.16.org/pngwutil.c libpng-1.6.16/pngwutil.c
  /* Initializes the row writing capability of libpng */
  void /* PRIVATE */
  png_write_start_row(png_structrp png_ptr)
-@@ -3026,4 +3122,39 @@
+@@ -3028,4 +3124,39 @@
     }
  #endif /* WRITE_FLUSH */
  }
@@ -1672,9 +1672,9 @@ diff -Naru libpng-1.6.16.org/pngwutil.c libpng-1.6.16/pngwutil.c
 +}
 +#endif /* PNG_WRITE_APNG_SUPPORTED */
  #endif /* WRITE */
-diff -Naru libpng-1.6.16.org/scripts/symbols.def libpng-1.6.16/scripts/symbols.def
---- libpng-1.6.16.org/scripts/symbols.def	2014-12-23 13:43:20.616727744 +0900
-+++ libpng-1.6.16/scripts/symbols.def	2014-12-23 13:43:20.693730169 +0900
+diff -Naru libpng-1.6.17.org/scripts/symbols.def libpng-1.6.17/scripts/symbols.def
+--- libpng-1.6.17.org/scripts/symbols.def	2015-03-27 07:56:22.482190359 +0900
++++ libpng-1.6.17/scripts/symbols.def	2015-03-27 07:56:22.548192172 +0900
 @@ -249,3 +249,23 @@
   png_set_check_for_invalid_index @242
   png_get_palette_max @243
diff --git a/libpng.spec b/libpng.spec
index 5004116..2368a77 100644
--- a/libpng.spec
+++ b/libpng.spec
@@ -1,6 +1,6 @@
 %define apiver %(echo %version | cut -d. -f1-2 | tr -d .)
 Name:          libpng
-Version:       1.6.16
+Version:       1.6.17
 Release:       1mamba
 Summary:       A library of functions for manipulating PNG image format files
 Group:         System/Libraries
@@ -125,6 +125,9 @@ ln -s libpng%{apiver}.so %{buildroot}%{_prefix}/lib/libpng.so
 %endif
 
 %changelog
+* Wed Apr 15 2015 Automatic Build System <autodist@mambasoft.it> 1.6.17-1mamba
+- automatic update by autodist
+
 * Wed Dec 24 2014 Automatic Build System <autodist@mambasoft.it> 1.6.16-1mamba
 - automatic version update by autodist