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	[libpng16] Allow HANDLE_AS_UNKNOWN to work when other options are configured
off. Also fixed the pngminim makefiles to work when $(MAKEFLAGS) contains stuff which terminates the make options (as by default in recent versions of Gentoo).
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										12
									
								
								ANNOUNCE
									
									
									
									
									
								
							
							
						
						
									
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								ANNOUNCE
									
									
									
									
									
								
							@ -1,5 +1,5 @@
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Libpng 1.6.7beta01 - September 20, 2013
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Libpng 1.6.7beta01 - September 21, 2013
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This is not intended to be a public release.  It will be replaced
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within a few weeks by a public version or by another test version.
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@ -26,9 +26,13 @@ Other information:
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Changes since the last public release (1.6.6):
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Version 1.6.7 [September 20, 2013]
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  Added #ifdef PNG_READ_SUPPORTED/endif around the png_chunk_unknown_handling()
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    function.
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Version 1.6.7 [September 21, 2013]
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  Revised unknown chunk code to correct several bugs in the NO_SAVE_/NO_WRITE
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    combination
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  Allow HANDLE_AS_UNKNOWN to work when other options are configured off. Also
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    fixed the pngminim makefiles to work when $(MAKEFLAGS) contains stuff
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    which terminates the make options (as by default in recent versions of
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    Gentoo).
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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							@ -4637,12 +4637,16 @@ Version 1.6.4 [September 12, 2013]
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Version 1.6.5 [September 14, 2013]
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  Removed two stray lines of code from arm/arm_init.c.
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Version 1.6.6 [September 20, 2013]
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Version 1.6.6 [September 21, 2013]
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  Removed two stray lines of code from arm/arm_init.c, again.
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Version 1.6.7beta01 [September 20, 2013]
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  Added #ifdef PNG_READ_SUPPORTED/endif around the png_chunk_unknown_handling()
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    function.
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Version 1.6.7beta01 [September 21, 2013]
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  Revised unknown chunk code to correct several bugs in the NO_SAVE_/NO_WRITE
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    combination
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  Allow HANDLE_AS_UNKNOWN to work when other options are configured off. Also
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    fixed the pngminim makefiles to work when $(MAKEFLAGS) contains stuff
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    which terminates the make options (as by default in recent versions of
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    Gentoo).
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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@ -100,12 +100,12 @@ $(PNGCONF): $(PNGSRC)/scripts/pnglibconf.mak $(ZH)\
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	$(PNGSRC)/scripts/pnglibconf.dfa \
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	$(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa
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	$(RM) pnglibconf.h pnglibconf.dfn
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	$(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
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	$(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\
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	    srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG -I."\
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	    DFA_XTRA="pngusr.dfa" $@
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clean:
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	$(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
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	$(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\
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	    srcdir=$(PNGSRC) clean
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	$(RM) pngm2pnm$(O)
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	$(RM) pngm2pnm$(E)
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@ -99,12 +99,12 @@ $(PNGCONF): $(PNGSRC)/scripts/pnglibconf.mak $(ZH)\
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	$(PNGSRC)/scripts/pnglibconf.dfa \
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	$(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa
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	$(RM) pnglibconf.h pnglibconf.dfn
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	$(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
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	$(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\
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	    srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG -I."\
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	    DFA_XTRA="pngusr.dfa" $@
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clean:
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	$(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
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	$(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\
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	    srcdir=$(PNGSRC) clean
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	$(RM) pnm2pngm$(O)
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	$(RM) pnm2pngm$(E)
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@ -115,12 +115,12 @@ $(PNGCONF): $(PNGSRC)/scripts/pnglibconf.mak $(ZH)\
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	$(PNGSRC)/scripts/pnglibconf.dfa \
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	$(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa
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	$(RM) pnglibconf.h pnglibconf.dfn
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	$(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
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	$(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\
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	    srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG -I."\
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	    DFA_XTRA="pngusr.dfa" $@
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clean:
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	$(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
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	$(MAKE) -f $(PNGSRC)/scripts/pnglibconf.mak $(MAKEFLAGS)\
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	    srcdir=$(PNGSRC) clean
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	$(RM) rpng2-x$(O)
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	$(RM) rpng2-x$(E)
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								png.c
									
									
									
									
									
								
							
							
						
						
									
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								png.c
									
									
									
									
									
								
							@ -768,13 +768,13 @@ png_get_copyright(png_const_structrp png_ptr)
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#else
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#  ifdef __STDC__
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   return PNG_STRING_NEWLINE \
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     "libpng version 1.6.7beta01 - September 20, 2013" PNG_STRING_NEWLINE \
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     "libpng version 1.6.7beta01 - September 21, 2013" PNG_STRING_NEWLINE \
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     "Copyright (c) 1998-2013 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
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     "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
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     "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
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     PNG_STRING_NEWLINE;
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#  else
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      return "libpng version 1.6.7beta01 - September 20, 2013\
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      return "libpng version 1.6.7beta01 - September 21, 2013\
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      Copyright (c) 1998-2013 Glenn Randers-Pehrson\
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      Copyright (c) 1996-1997 Andreas Dilger\
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      Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
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@ -855,8 +855,8 @@ png_handle_as_unknown(png_const_structrp png_ptr, png_const_bytep chunk_name)
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   return PNG_HANDLE_CHUNK_AS_DEFAULT;
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}
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#ifdef PNG_READ_SUPPORTED
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#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
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#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) ||\
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   defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED)
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int /* PRIVATE */
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png_chunk_unknown_handling(png_const_structrp png_ptr, png_uint_32 chunk_name)
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{
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@ -865,8 +865,7 @@ png_chunk_unknown_handling(png_const_structrp png_ptr, png_uint_32 chunk_name)
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   PNG_CSTRING_FROM_CHUNK(chunk_string, chunk_name);
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   return png_handle_as_unknown(png_ptr, chunk_string);
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}
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#endif /* HANDLE_AS_UNKNOWN */
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#endif /* READ_SUPPORTED */
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#endif /* READ_UNKNOWN_CHUNKS || HANDLE_AS_UNKNOWN */
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#endif /* SET_UNKNOWN_CHUNKS */
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#ifdef PNG_READ_SUPPORTED
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@ -1422,7 +1422,7 @@ PNG_INTERNAL_FUNCTION(void,png_handle_zTXt,(png_structrp png_ptr,
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PNG_INTERNAL_FUNCTION(void,png_check_chunk_name,(png_structrp png_ptr,
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    png_uint_32 chunk_name),PNG_EMPTY);
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#ifdef PNG_READ_SUPPORTED
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#ifdef PNG_SET_UNKNOWN_CHUNKS_SUPPORTED
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PNG_INTERNAL_FUNCTION(void,png_handle_unknown,(png_structrp png_ptr,
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    png_inforp info_ptr, png_uint_32 length, int keep),PNG_EMPTY);
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   /* This is the function that gets called for unknown chunks.  The 'keep'
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@ -1431,14 +1431,15 @@ PNG_INTERNAL_FUNCTION(void,png_handle_unknown,(png_structrp png_ptr,
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    * just skips the chunk or errors out if it is critical.
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    */
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#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
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#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) ||\
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   defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED)
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PNG_INTERNAL_FUNCTION(int,png_chunk_unknown_handling,
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    (png_const_structrp png_ptr, png_uint_32 chunk_name),PNG_EMPTY);
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   /* Exactly as the API png_handle_as_unknown() except that the argument is a
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    * 32-bit chunk name, not a string.
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    */
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#endif /* PNG_HANDLE_AS_UNKNOWN_SUPPORTED */
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#endif /* PNG_READ_SUPPORTED */
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#endif /* READ_UNKNOWN_CHUNKS || HANDLE_AS_UNKNOWN */
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#endif /* PNG_SET_UNKNOWN_CHUNKS_SUPPORTED */
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/* Handle the transformations for reading and writing */
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#ifdef PNG_READ_TRANSFORMS_SUPPORTED
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@ -1,7 +1,7 @@
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/* pngrutil.c - utilities to read a PNG file
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 *
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 * Last changed in libpng 1.6.4 [(PENDING RELEASE)]
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 * Last changed in libpng 1.6.7 [(PENDING RELEASE)]
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 * Copyright (c) 1998-2013 Glenn Randers-Pehrson
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 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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