[libpng10] Imported from libpng-1.0.28rc4.tar

ANNOUNCE

@@ -1,5 +1,5 @@
 
-Libpng 1.0.28rc3 - August 30, 2007
+Libpng 1.0.28rc4 - September 1, 2007
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -9,32 +9,32 @@ Files available for download:
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   libpng-1.0.28rc3.tar.gz
+   libpng-1.0.28rc4.tar.gz
-   libpng-1.0.28rc3.tar.bz2
+   libpng-1.0.28rc4.tar.bz2
 
 Source files with LF line endings (for Unix/Linux) without the
 "configure" script
 
-   libpng-1.0.28rc3-no-config.tar.gz
+   libpng-1.0.28rc4-no-config.tar.gz
-   libpng-1.0.28rc3-no-config.tar.bz2
+   libpng-1.0.28rc4-no-config.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp1028r03.zip
+   lp1028r04.zip
-   lp1028r03.tar.bz2
+   lp1028r04.tar.bz2
 
 Project files
 
-   libpng-1.0.28rc3-project-netware.zip
+   libpng-1.0.28rc4-project-netware.zip
-   libpng-1.0.28rc3-project-wince.zip
+   libpng-1.0.28rc4-project-wince.zip
 
 Other information:
 
-   libpng-1.0.28rc3-README.txt
+   libpng-1.0.28rc4-README.txt
-   libpng-1.0.28rc3-KNOWNBUGS.txt
+   libpng-1.0.28rc4-KNOWNBUGS.txt
-   libpng-1.0.28rc3-LICENSE.txt
+   libpng-1.0.28rc4-LICENSE.txt
-   libpng-1.0.28rc3-Y2K-compliance.txt
+   libpng-1.0.28rc4-Y2K-compliance.txt
 
 Changes since the last public release (1.0.27):
 
@@ -62,13 +62,16 @@ version 1.2.20rc2 [August 27, 2007]
   Revised #ifdefs to ensure one and only one of pnggccrd.c, pngvcrd.c,
     or part of pngrutil.c is selected.
 
-version 1.2.20rc3 [August 30, 2007]
+version 1.2.20rc3 [September 1, 2007]
   Remove a little more code in pngwutil.c when PNG_NO_WRITE_FILTER is selected.
   Added /D _CRT_SECURE_NO_WARNINGS to visual6c and visualc71 projects.
   Compile png_mmx_support() in png.c even when PNG_NO_MMX_CODE is defined.
   Restored a "superfluous" #ifdef that was removed from 1.2.20rc2 pnggccrd.c,
     breaking the png_mmx_support() function.
 
+version 1.2.20rc4 [September 1, 2007]
+  Removed Intel contributions (MMX, Optimized C).
+
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 
 (subscription required; visit 

CHANGES

@@ -1915,6 +1915,9 @@ version 1.2.20rc3 [August 30, 2007]
   Restored a "superfluous" #ifdef that was removed from 1.2.20rc2 pnggccrd.c,
     breaking the png_mmx_support() function.
 
+version 1.2.20rc4 [September 1, 2007]
+  Removed Intel contributions (MMX, Optimized C).
+
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement

INSTALL

@@ -1,5 +1,5 @@
 
-Installing libpng version 1.0.28rc3 - August 30, 2007
+Installing libpng version 1.0.28rc4 - September 1, 2007
 
 On Unix/Linux and similar systems, you can simply type
 
@@ -44,7 +44,7 @@ to have access to the zlib.h and zconf.h include files that
 correspond to the version of zlib that's installed.
 
 You can rename the directories that you downloaded (they
-might be called "libpng-1.0.28rc3" or "lpng109" and "zlib-1.2.1"
+might be called "libpng-1.0.28rc4" or "lpng109" and "zlib-1.2.1"
 or "zlib121") so that you have directories called "zlib" and "libpng".
 
 Your directory structure should look like this:
@@ -101,15 +101,9 @@ include
  CMakeLists.txt    =>  "cmake" script
  makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
  makefile.elf      =>  Linux/ELF makefile symbol versioning,
-                       gcc, creates libpng10.so.0.1.0.28rc3)
+                       gcc, creates libpng10.so.0.1.0.28rc4)
  makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng10.so.0.1.0.28rc3)
+                       (gcc, creates libpng10.so.0.1.0.28rc4)
- makefile.gcmmx    =>  Linux/ELF makefile
-                       (gcc, creates libpng10.so.0.1.0.28rc3,
-                       uses assembler code tuned for Intel MMX platform)
- makefile.nommx    =>  Linux/ELF makefile
-                       (gcc, creates libpng10.so.0.1.0.28rc3
-                       does not use Intel MMX assembler code)
  makefile.gcc      =>  Generic makefile (gcc, creates static libpng.a)
  makefile.knr      =>  Archaic UNIX Makefile that converts files with
                        ansi2knr (Requires ansi2knr.c from
@@ -131,14 +125,14 @@ include
  makefile.openbsd  =>  OpenBSD makefile
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
  makefile.sggcc    =>  Silicon Graphics (gcc,
-                       creates libpng10.so.0.1.0.28rc3)
+                       creates libpng10.so.0.1.0.28rc4)
  makefile.sunos    =>  Sun makefile
  makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng10.so.0.1.0.28rc3)
+                       creates libpng10.so.0.1.0.28rc4)
  makefile.solaris-x86 =>  Solaris/intelMMX 2.X makefile (gcc,
-                       creates libpng10.so.0.1.0.28rc3)
+                       creates libpng10.so.0.1.0.28rc4)
  makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng10.so.0.1.0.28rc3)
+                       creates libpng10.so.0.1.0.28rc4)
  makefile.32sunu   =>  Sun Ultra 32-bit makefile
  makefile.64sunu   =>  Sun Ultra 64-bit makefile
  makefile.sco      =>  For SCO OSr5  ELF and Unixware 7 with Native cc
@@ -154,10 +148,7 @@ include
  makefile.tc3      =>  Turbo C 3.0 makefile
  makefile.dj2      =>  DJGPP 2 makefile
  makefile.msc      =>  Microsoft C makefile
- makefile.vcawin32 =>  makefile for Microsoft Visual C++ 5.0 and later (uses
+ makefile.vcwin32  =>  makefile for Microsoft Visual C++ 4.0 and later
-                       assembler code tuned for Intel MMX platform)
- makefile.vcwin32  =>  makefile for Microsoft Visual C++ 4.0 and later (does
-                       not use assembler code)
  makefile.os2      =>  OS/2 Makefile (gcc and emx, requires pngos2.def)
  pngos2.def        =>  OS/2 module definition file used by makefile.os2
  makefile.watcom   =>  Watcom 10a+ Makefile, 32-bit flat memory model

KNOWNBUG

@@ -1,5 +1,5 @@
 
-Known bugs in libpng version 1.0.28rc3
+Known bugs in libpng version 1.0.28rc4
 
 1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when
    reading interlaced PNG files, when assembler code is enabled but running

LICENSE

@@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
 If you modify libpng you may insert additional notices immediately following
 this sentence.
 
-libpng versions 1.2.6, August 15, 2004, through 1.0.28rc3, August 30, 2007, are
+libpng versions 1.2.6, August 15, 2004, through 1.0.28rc4, September 1, 2007, are
 Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -106,4 +106,4 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-August 30, 2007
+September 1, 2007

Makefile.am

@@ -33,7 +33,7 @@ lib_LTLIBRARIES=libpng10.la @compatlib@
 EXTRA_LTLIBRARIES= libpng.la
 libpng10_la_SOURCES = png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
-	pngwtran.c pngmem.c pngerror.c pngpread.c pnggccrd.c \
+	pngwtran.c pngmem.c pngerror.c pngpread.c \
 	png.h pngconf.h
 libpng_la_SOURCES = $(libpng10_la_SOURCES)
 
@@ -83,7 +83,7 @@ EXTRA_DIST= \
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng.txt pngvcrd.c 
+	example.c libpng.txt
 
 CLEANFILES= pngout.png libpng10.pc libpng10-config libpng.vers \
 libpng.sym

Makefile.in

@@ -87,8 +87,7 @@ am__objects_1 = libpng_la-png.lo libpng_la-pngset.lo \
 	libpng_la-pngread.lo libpng_la-pngrio.lo libpng_la-pngwio.lo \
 	libpng_la-pngwrite.lo libpng_la-pngrtran.lo \
 	libpng_la-pngwtran.lo libpng_la-pngmem.lo \
-	libpng_la-pngerror.lo libpng_la-pngpread.lo \
+	libpng_la-pngerror.lo libpng_la-pngpread.lo
-	libpng_la-pnggccrd.lo
 am_libpng_la_OBJECTS = $(am__objects_1)
 libpng_la_OBJECTS = $(am_libpng_la_OBJECTS)
 libpng10_la_LIBADD =
@@ -98,8 +97,8 @@ am_libpng10_la_OBJECTS = libpng10_la-png.lo libpng10_la-pngset.lo \
 	libpng10_la-pngread.lo libpng10_la-pngrio.lo \
 	libpng10_la-pngwio.lo libpng10_la-pngwrite.lo \
 	libpng10_la-pngrtran.lo libpng10_la-pngwtran.lo \
-	libpng10_la-pngmem.lo libpng10_la-pngerror.lo \
+	libpng10_la-pngmem.lo libpng12_la-pngerror.lo \
-	libpng10_la-pngpread.lo libpng10_la-pnggccrd.lo
+	libpng10_la-pngpread.lo
 libpng10_la_OBJECTS = $(am_libpng10_la_OBJECTS)
 am_pngtest_OBJECTS = pngtest.$(OBJEXT)
 pngtest_OBJECTS = $(am_pngtest_OBJECTS)
@@ -184,7 +183,6 @@ INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
 LDFLAGS = @LDFLAGS@
 LIBOBJS = @LIBOBJS@
 LIBPNG_DEFINES = @LIBPNG_DEFINES@
-LIBPNG_NO_MMX = @LIBPNG_NO_MMX@
 LIBS = @LIBS@
 LIBTOOL = @LIBTOOL@
 LN_S = @LN_S@
@@ -286,7 +284,7 @@ lib_LTLIBRARIES = libpng10.la @compatlib@
 EXTRA_LTLIBRARIES = libpng.la
 libpng10_la_SOURCES = png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
-	pngwtran.c pngmem.c pngerror.c pngpread.c pnggccrd.c \
+	pngwtran.c pngmem.c pngerror.c pngpread.c \
 	png.h pngconf.h
 
 libpng_la_SOURCES = $(libpng10_la_SOURCES)
@@ -322,7 +320,7 @@ EXTRA_DIST = \
 	${srcdir}/contrib/pngsuite/* \
 	${srcdir}/contrib/visupng/* \
 	$(TESTS) \
-	example.c libpng.txt pngvcrd.c 
+	example.c libpng.txt
 
 CLEANFILES = pngout.png libpng10.pc libpng10-config libpng.vers \
 libpng.sym
@@ -455,7 +453,6 @@ distclean-compile:
 
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng10_la-png.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng10_la-pngerror.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng10_la-pnggccrd.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng10_la-pngget.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng10_la-pngmem.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng10_la-pngpread.Plo@am__quote@
@@ -471,7 +468,6 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng10_la-pngwutil.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng_la-png.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng_la-pngerror.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng_la-pnggccrd.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng_la-pngget.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng_la-pngmem.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libpng_la-pngpread.Plo@am__quote@
@@ -613,13 +609,6 @@ libpng_la-pngpread.lo: pngpread.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng_la-pngpread.lo `test -f 'pngpread.c' || echo '$(srcdir)/'`pngpread.c
 
-libpng_la-pnggccrd.lo: pnggccrd.c
-@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng_la-pnggccrd.lo -MD -MP -MF "$(DEPDIR)/libpng_la-pnggccrd.Tpo" -c -o libpng_la-pnggccrd.lo `test -f 'pnggccrd.c' || echo '$(srcdir)/'`pnggccrd.c; \
-@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng_la-pnggccrd.Tpo" "$(DEPDIR)/libpng_la-pnggccrd.Plo"; else rm -f "$(DEPDIR)/libpng_la-pnggccrd.Tpo"; exit 1; fi
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pnggccrd.c' object='libpng_la-pnggccrd.lo' libtool=yes @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng_la-pnggccrd.lo `test -f 'pnggccrd.c' || echo '$(srcdir)/'`pnggccrd.c
-
 libpng10_la-png.lo: png.c
 @am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng10_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng10_la-png.lo -MD -MP -MF "$(DEPDIR)/libpng10_la-png.Tpo" -c -o libpng10_la-png.lo `test -f 'png.c' || echo '$(srcdir)/'`png.c; \
 @am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng10_la-png.Tpo" "$(DEPDIR)/libpng10_la-png.Plo"; else rm -f "$(DEPDIR)/libpng10_la-png.Tpo"; exit 1; fi
@@ -725,13 +714,6 @@ libpng10_la-pngpread.lo: pngpread.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng10_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng10_la-pngpread.lo `test -f 'pngpread.c' || echo '$(srcdir)/'`pngpread.c
 
-libpng10_la-pnggccrd.lo: pnggccrd.c
-@am__fastdepCC_TRUE@	if $(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng10_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libpng10_la-pnggccrd.lo -MD -MP -MF "$(DEPDIR)/libpng10_la-pnggccrd.Tpo" -c -o libpng10_la-pnggccrd.lo `test -f 'pnggccrd.c' || echo '$(srcdir)/'`pnggccrd.c; \
-@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libpng10_la-pnggccrd.Tpo" "$(DEPDIR)/libpng10_la-pnggccrd.Plo"; else rm -f "$(DEPDIR)/libpng10_la-pnggccrd.Tpo"; exit 1; fi
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='pnggccrd.c' object='libpng10_la-pnggccrd.lo' libtool=yes @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libpng10_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libpng10_la-pnggccrd.lo `test -f 'pnggccrd.c' || echo '$(srcdir)/'`pnggccrd.c
-
 mostlyclean-libtool:
 	-rm -f *.lo
 

README

@@ -1,4 +1,4 @@
-README for libpng version 1.0.28rc3 - August 30, 2007 (shared library 10.0)
+README for libpng version 1.0.28rc4 - September 1, 2007 (shared library 10.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
@@ -190,11 +190,11 @@ Files in this distribution:
        descrip.mms      =>  VMS makefile for MMS or MMK
        makefile.std     =>  Generic UNIX makefile (cc, creates static libpng.a)
        makefile.elf     =>  Linux/ELF makefile symbol versioning,
-                            gcc, creates libpng10.so.0.1.0.28rc3)
+                            gcc, creates libpng10.so.0.1.0.28rc4)
        makefile.linux   =>  Linux/ELF makefile
-                            (gcc, creates libpng10.so.0.1.0.28rc3)
+                            (gcc, creates libpng10.so.0.1.0.28rc4)
        makefile.gcmmx   =>  Linux/ELF makefile
-                            (gcc, creates libpng10.so.0.1.0.28rc3,
+                            (gcc, creates libpng10.so.0.1.0.28rc4,
                             uses assembler code tuned for Intel MMX platform)
        makefile.gcc     =>  Generic makefile (gcc, creates static libpng.a)
        makefile.knr     =>  Archaic UNIX Makefile that converts files with
@@ -216,12 +216,12 @@ Files in this distribution:
        makefile.openbsd =>  OpenBSD makefile
        makefile.sgi     =>  Silicon Graphics IRIX (cc, creates static lib)
        makefile.sggcc   =>  Silicon Graphics
-                            (gcc, creates libpng10.so.0.1.0.28rc3)
+                            (gcc, creates libpng10.so.0.1.0.28rc4)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng10.so.0.1.0.28rc3)
+                            (gcc, creates libpng10.so.0.1.0.28rc4)
        makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng10.so.0.1.0.28rc3)
+                            (gcc, creates libpng10.so.0.1.0.28rc4)
        makefile.32sunu  =>  Sun Ultra 32-bit makefile
        makefile.64sunu  =>  Sun Ultra 64-bit makefile
        makefile.sco     =>  For SCO OSr5  ELF and Unixware 7 with Native cc

Y2KINFO

@@ -1,13 +1,13 @@
    Y2K compliance in libpng:
    =========================
 
-      August 30, 2007
+      September 1, 2007
 
       Since the PNG Development group is an ad-hoc body, we can't make
       an official declaration.
 
       This is your unofficial assurance that libpng from version 0.71 and
-      upward through 1.0.28rc3 are Y2K compliant.  It is my belief that earlier
+      upward through 1.0.28rc4 are Y2K compliant.  It is my belief that earlier
       versions were also Y2K compliant.
 
       Libpng only has three year fields.  One is a 2-byte unsigned integer

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.61 for libpng 1.0.28rc3.
+# Generated by GNU Autoconf 2.61 for libpng 1.0.28rc4.
 #
 # Report bugs to <png-mng-implement@lists.sourceforge.net>.
 #
@@ -728,8 +728,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='libpng'
 PACKAGE_TARNAME='libpng'
-PACKAGE_VERSION='1.0.28rc3'
+PACKAGE_VERSION='1.0.28rc4'
-PACKAGE_STRING='libpng 1.0.28rc3'
+PACKAGE_STRING='libpng 1.0.28rc4'
 PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
 
 ac_unique_file="pngget.c"
@@ -876,7 +876,6 @@ LIBTOOL
 POW_LIB
 LIBOBJS
 LIBPNG_DEFINES
-LIBPNG_NO_MMX
 HAVE_LD_VERSION_SCRIPT_TRUE
 HAVE_LD_VERSION_SCRIPT_FALSE
 PNGLIB_VERSION
@@ -1405,7 +1404,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures libpng 1.0.28rc3 to adapt to many kinds of systems.
+\`configure' configures libpng 1.0.28rc4 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1475,7 +1474,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libpng 1.0.28rc3:";;
+     short | recursive ) echo "Configuration of libpng 1.0.28rc4:";;
    esac
   cat <<\_ACEOF
 
@@ -1585,7 +1584,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-libpng configure 1.0.28rc3
+libpng configure 1.0.28rc4
 generated by GNU Autoconf 2.61
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -1599,7 +1598,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by libpng $as_me 1.0.28rc3, which was
+It was created by libpng $as_me 1.0.28rc4, which was
 generated by GNU Autoconf 2.61.  Invocation command line was
 
   $ $0 $@
@@ -2269,7 +2268,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='libpng'
- VERSION='1.0.28rc3'
+ VERSION='1.0.28rc4'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2440,7 +2439,7 @@ fi
 
 
 
-PNGLIB_VERSION=1.0.28rc3
+PNGLIB_VERSION=1.0.28rc4
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=0
 PNGLIB_RELEASE=28
@@ -4788,7 +4787,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 4791 "configure"' > conftest.$ac_ext
+  echo '#line 4790 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -7301,11 +7300,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7304: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7303: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7308: \$? = $ac_status" >&5
+   echo "$as_me:7307: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -7591,11 +7590,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7594: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7593: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7598: \$? = $ac_status" >&5
+   echo "$as_me:7597: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -7695,11 +7694,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7698: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7697: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:7702: \$? = $ac_status" >&5
+   echo "$as_me:7701: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -10044,7 +10043,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 10047 "configure"
+#line 10046 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10144,7 +10143,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 10147 "configure"
+#line 10146 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12564,11 +12563,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:12567: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:12566: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:12571: \$? = $ac_status" >&5
+   echo "$as_me:12570: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -12668,11 +12667,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:12671: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:12670: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:12675: \$? = $ac_status" >&5
+   echo "$as_me:12674: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -14230,11 +14229,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14233: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14232: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:14237: \$? = $ac_status" >&5
+   echo "$as_me:14236: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -14334,11 +14333,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14337: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14336: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:14341: \$? = $ac_status" >&5
+   echo "$as_me:14340: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -16521,11 +16520,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:16524: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:16523: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:16528: \$? = $ac_status" >&5
+   echo "$as_me:16527: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -16811,11 +16810,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:16814: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:16813: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:16818: \$? = $ac_status" >&5
+   echo "$as_me:16817: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -16915,11 +16914,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:16918: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:16917: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:16922: \$? = $ac_status" >&5
+   echo "$as_me:16921: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -20713,55 +20712,6 @@ fi
 
 
 LIBPNG_DEFINES=-DPNG_CONFIGURE_LIBPNG
-{ echo "$as_me:$LINENO: checking if assembler code in pnggccrd.c can be compiled without PNG_NO_MMX_CODE" >&5
-echo $ECHO_N "checking if assembler code in pnggccrd.c can be compiled without PNG_NO_MMX_CODE... $ECHO_C" >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include "$srcdir/pnggccrd.c"
-int
-main ()
-{
-return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  { echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
-  LIBPNG_NO_MMX=""
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	{ echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-  LIBPNG_NO_MMX=-DPNG_NO_MMX_CODE
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-LIBPNG_DEFINES=$LIBPNG_DEFINES\ $LIBPNG_NO_MMX
-
 
 
 { echo "$as_me:$LINENO: checking if libraries can be versioned" >&5
@@ -21282,7 +21232,7 @@ exec 6>&1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by libpng $as_me 1.0.28rc3, which was
+This file was extended by libpng $as_me 1.0.28rc4, which was
 generated by GNU Autoconf 2.61.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -21335,7 +21285,7 @@ Report bugs to <bug-autoconf@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
-libpng config.status 1.0.28rc3
+libpng config.status 1.0.28rc4
 configured by $0, generated by GNU Autoconf 2.61,
   with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
@@ -21663,7 +21613,6 @@ LIBTOOL!$LIBTOOL$ac_delim
 POW_LIB!$POW_LIB$ac_delim
 LIBOBJS!$LIBOBJS$ac_delim
 LIBPNG_DEFINES!$LIBPNG_DEFINES$ac_delim
-LIBPNG_NO_MMX!$LIBPNG_NO_MMX$ac_delim
 HAVE_LD_VERSION_SCRIPT_TRUE!$HAVE_LD_VERSION_SCRIPT_TRUE$ac_delim
 HAVE_LD_VERSION_SCRIPT_FALSE!$HAVE_LD_VERSION_SCRIPT_FALSE$ac_delim
 PNGLIB_VERSION!$PNGLIB_VERSION$ac_delim
@@ -21676,7 +21625,7 @@ compatlib!$compatlib$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 21; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 20; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5

configure.ac

@@ -18,12 +18,12 @@ AC_PREREQ(2.59)
 
 dnl Version number stuff here:
 
-AC_INIT([libpng], [1.0.28rc3], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.0.28rc4], [png-mng-implement@lists.sourceforge.net])
 AM_INIT_AUTOMAKE
 dnl stop configure from automagically running automake
 AM_MAINTAINER_MODE
 
-PNGLIB_VERSION=1.0.28rc3
+PNGLIB_VERSION=1.0.28rc4
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=0
 PNGLIB_RELEASE=28
@@ -59,18 +59,7 @@ AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_ERROR([cannot find pow])) )
 AC_CHECK_LIB(z, zlibVersion, , AC_ERROR([zlib not installed]))
 
 LIBPNG_DEFINES=-DPNG_CONFIGURE_LIBPNG
-AC_MSG_CHECKING(
-  [if assembler code in pnggccrd.c can be compiled without PNG_NO_MMX_CODE])
-AC_TRY_COMPILE(
-  [#include "$srcdir/pnggccrd.c"],
-  [return 0;],
-  AC_MSG_RESULT(yes)
-  LIBPNG_NO_MMX="",
-  AC_MSG_RESULT(no)
-  LIBPNG_NO_MMX=-DPNG_NO_MMX_CODE)
-LIBPNG_DEFINES=$LIBPNG_DEFINES\ $LIBPNG_NO_MMX
 AC_SUBST(LIBPNG_DEFINES)
-AC_SUBST(LIBPNG_NO_MMX)
 
 AC_MSG_CHECKING([if libraries can be versioned])
 GLD=`$LD --help < /dev/null 2>/dev/null | grep version-script`

libpng-1.0.28rc4.txt

@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.0.28rc3 - August 30, 2007
+ libpng version 1.0.28rc4 - September 1, 2007
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2007 Glenn Randers-Pehrson
@@ -86,9 +86,7 @@ Libpng is thread safe, provided the threads are using different
 instances of the structures.  Each thread should have its own
 png_struct and png_info instances, and thus its own image.
 Libpng does not protect itself against two threads using the
-same instance of a structure.  Note: thread safety may be defeated
+same instance of a structure.
-by use of some of the MMX assembler code in pnggccrd.c, which is only
-compiled when the user defines PNG_THREAD_UNSAFE_OK.
 
 II. Structures
 
@@ -2319,17 +2317,13 @@ For a more compact example of writing a PNG image, see the file example.c.
 
 V. Modifying/Customizing libpng:
 
-There are three issues here.  The first is changing how libpng does
+There are two issues here.  The first is changing how libpng does
 standard things like memory allocation, input/output, and error handling.
 The second deals with more complicated things like adding new chunks,
 adding new transformations, and generally changing how libpng works.
 Both of those are compile-time issues; that is, they are generally
 determined at the time the code is written, and there is rarely a need
-to provide the user with a means of changing them.  The third is a
+to provide the user with a means of changing them.
-run-time issue:  choosing between and/or tuning one or more alternate
-versions of computationally intensive routines; specifically, optimized
-assembly-language (and therefore compiler- and platform-dependent)
-versions.
 
 Memory allocation, input/output, and error handling
 
@@ -2690,7 +2684,7 @@ When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
 having level = 0 will be printed.  There aren't any such statements in
 this version of libpng, but if you insert some they will be printed.
 
-VI.  MNG support
+VII.  MNG support
 
 The MNG specification (available at http://www.libpng.org/pub/mng) allows
 certain extensions to PNG for PNG images that are embedded in MNG datastreams.
@@ -2766,13 +2760,13 @@ application:
 
 VIII. Y2K Compliance in libpng
 
-August 30, 2007
+September 1, 2007
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
 
 This is your unofficial assurance that libpng from version 0.71 and
-upward through 1.0.28rc3 are Y2K compliant.  It is my belief that earlier
+upward through 1.0.28rc4 are Y2K compliant.  It is my belief that earlier
 versions were also Y2K compliant.
 
 Libpng only has three year fields.  One is a 2-byte unsigned integer that

libpng.3

@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "August 30, 2007"
+.TH LIBPNG 3 "September 1, 2007"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.0.28rc3
+libpng \- Portable Network Graphics (PNG) Reference Library 1.0.28rc4
 .SH SYNOPSIS
 \fB
 #include <png.h>\fP
@@ -410,7 +410,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
 .SH LIBPNG.TXT
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.0.28rc3 - August 30, 2007
+ libpng version 1.0.28rc4 - September 1, 2007
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2007 Glenn Randers-Pehrson
@@ -496,9 +496,7 @@ Libpng is thread safe, provided the threads are using different
 instances of the structures.  Each thread should have its own
 png_struct and png_info instances, and thus its own image.
 Libpng does not protect itself against two threads using the
-same instance of a structure.  Note: thread safety may be defeated
+same instance of a structure.
-by use of some of the MMX assembler code in pnggccrd.c, which is only
-compiled when the user defines PNG_THREAD_UNSAFE_OK.
 
 .SH II. Structures
 
@@ -2729,17 +2727,13 @@ For a more compact example of writing a PNG image, see the file example.c.
 
 .SH V. Modifying/Customizing libpng:
 
-There are three issues here.  The first is changing how libpng does
+There are two issues here.  The first is changing how libpng does
 standard things like memory allocation, input/output, and error handling.
 The second deals with more complicated things like adding new chunks,
 adding new transformations, and generally changing how libpng works.
 Both of those are compile-time issues; that is, they are generally
 determined at the time the code is written, and there is rarely a need
-to provide the user with a means of changing them.  The third is a
+to provide the user with a means of changing them.
-run-time issue:  choosing between and/or tuning one or more alternate
-versions of computationally intensive routines; specifically, optimized
-assembly-language (and therefore compiler- and platform-dependent)
-versions.
 
 Memory allocation, input/output, and error handling
 
@@ -3100,7 +3094,7 @@ When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
 having level = 0 will be printed.  There aren't any such statements in
 this version of libpng, but if you insert some they will be printed.
 
-.SH VI.  MNG support
+.SH VII.  MNG support
 
 The MNG specification (available at http://www.libpng.org/pub/mng) allows
 certain extensions to PNG for PNG images that are embedded in MNG datastreams.
@@ -3176,13 +3170,13 @@ application:
 
 .SH VIII. Y2K Compliance in libpng
 
-August 30, 2007
+September 1, 2007
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
 
 This is your unofficial assurance that libpng from version 0.71 and
-upward through 1.0.28rc3 are Y2K compliant.  It is my belief that earlier
+upward through 1.0.28rc4 are Y2K compliant.  It is my belief that earlier
 versions were also Y2K compliant.
 
 Libpng only has three year fields.  One is a 2-byte unsigned integer that
@@ -3377,8 +3371,8 @@ the first widely used release:
  1.0.27              10    10027  10.so.0.27[.0]
  1.2.19              13    10219  12.so.0.19[.0]
  1.2.20beta01-04     13    10220  12.so.0.20[.0]
- 1.0.28rc1-2         10    10028  10.so.0.28[.0]
+ 1.0.28rc1-4         10    10028  10.so.0.28[.0]
- 1.2.20rc1-2         13    10220  12.so.0.20[.0]
+ 1.2.20rc1-4         13    10220  12.so.0.20[.0]
  1.0.28              10    10028  10.so.0.28[.0]
  1.2.20              13    10220  12.so.0.20[.0]
 
@@ -3436,7 +3430,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.0.28rc3 - August 30, 2007:
+Libpng version 1.0.28rc4 - September 1, 2007:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -3457,7 +3451,7 @@ included in the libpng distribution, the latter shall prevail.)
 If you modify libpng you may insert additional notices immediately following
 this sentence.
 
-libpng versions 1.2.6, August 15, 2004, through 1.0.28rc3, August 30, 2007, are
+libpng versions 1.2.6, August 15, 2004, through 1.0.28rc4, September 1, 2007, are
 Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -3556,7 +3550,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-August 30, 2007
+September 1, 2007
 
 .\" end of man page
 

libpngpf.3

@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "August 30, 2007"
+.TH LIBPNGPF 3 "September 1, 2007"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.0.28rc3
+libpng \- Portable Network Graphics (PNG) Reference Library 1.0.28rc4
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP

png.5

@@ -1,4 +1,4 @@
-.TH PNG 5 "August 30, 2007"
+.TH PNG 5 "September 1, 2007"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION

png.c

@@ -13,7 +13,7 @@
 #include "png.h"
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_0_28rc3 Your_png_h_is_not_version_1_0_28rc3;
+typedef version_1_0_28rc4 Your_png_h_is_not_version_1_0_28rc4;
 
 /* Version information for C files.  This had better match the version
  * string defined in png.h.  */
@@ -67,11 +67,6 @@ PNG_CONST int FARDATA png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1};
 /* offset to next interlace block in the y direction */
 PNG_CONST int FARDATA png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2};
 
-/* width of interlace block (used in assembler routines only) */
-#if defined(PNG_HAVE_MMX_COMBINE_ROW) || defined(PNG_OPTIMIZED_CODE_SUPPORTED)
-PNG_CONST int FARDATA png_pass_width[] = {8, 4, 4, 2, 2, 1, 1};
-#endif
-
 /* Height of interlace block.  This is not currently used - if you need
  * it, uncomment it here and in png.h
 PNG_CONST int FARDATA png_pass_height[] = {8, 8, 4, 4, 2, 2, 1};
@@ -698,7 +693,7 @@ png_charp PNGAPI
 png_get_copyright(png_structp png_ptr)
 {
    png_ptr = png_ptr;  /* silence compiler warning about unused png_ptr */
-   return ((png_charp) "\n libpng version 1.0.28rc3 - August 30, 2007\n\
+   return ((png_charp) "\n libpng version 1.0.28rc4 - September 1, 2007\n\
    Copyright (c) 1998-2007 Glenn Randers-Pehrson\n\
    Copyright (c) 1996-1997 Andreas Dilger\n\
    Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
@@ -825,57 +820,18 @@ png_access_version_number(void)
 void /* PRIVATE */
 png_init_mmx_flags (png_structp png_ptr)
 {
-    if(png_ptr == NULL) return;
+   /* obsolete, to be removed from libpng-1.4.0 */
-    png_ptr->mmx_rowbytes_threshold = 0;
-    png_ptr->mmx_bitdepth_threshold = 0;
-
-#  if (defined(PNG_USE_PNGVCRD) || defined(PNG_USE_PNGGCCRD))
-
-    png_ptr->asm_flags |= PNG_ASM_FLAG_MMX_SUPPORT_COMPILED;
-
-    if (png_mmx_support() > 0) {
-        png_ptr->asm_flags |= PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU
-#    ifdef PNG_HAVE_MMX_COMBINE_ROW
-                              | PNG_ASM_FLAG_MMX_READ_COMBINE_ROW
-#    endif
-#    ifdef PNG_HAVE_MMX_READ_INTERLACE
-                              | PNG_ASM_FLAG_MMX_READ_INTERLACE
-#    endif
-#    ifndef PNG_HAVE_MMX_READ_FILTER_ROW
-                              ;
-#    else
-                              | PNG_ASM_FLAG_MMX_READ_FILTER_SUB
-                              | PNG_ASM_FLAG_MMX_READ_FILTER_UP
-                              | PNG_ASM_FLAG_MMX_READ_FILTER_AVG
-                              | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ;
-
-        png_ptr->mmx_rowbytes_threshold = PNG_MMX_ROWBYTES_THRESHOLD_DEFAULT;
-        png_ptr->mmx_bitdepth_threshold = PNG_MMX_BITDEPTH_THRESHOLD_DEFAULT;
-#    endif
-    } else {
-        png_ptr->asm_flags &= ~( PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU
-                               | PNG_MMX_READ_FLAGS
-                               | PNG_MMX_WRITE_FLAGS );
-    }
-
-#  else /* !(PNGVCRD || PNGGCCRD) */
-
-    /* clear all MMX flags; no support is compiled in */
-    png_ptr->asm_flags &= ~( PNG_MMX_FLAGS );
-
-#  endif /* ?(PNGVCRD || PNGGCCRD) */
 }
 
 #endif /* !(PNG_MMX_CODE_SUPPORTED) */
 
 /* this function was added to libpng 1.2.0 */
-#if !defined(PNG_USE_PNGGCCRD) && !defined(PNG_USE_PNGVCRD)
 int PNGAPI
 png_mmx_support(void)
 {
+   /* obsolete, to be removed from libpng-1.4.0 */
     return -1;
 }
-#endif
 #endif /* PNG_1_0_X */
 #endif /* PNG_READ_SUPPORTED && PNG_ASSEMBLER_CODE_SUPPORTED */
 

png.h

@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.0.28rc3 - August 30, 2007
+ * libpng version 1.0.28rc4 - September 1, 2007
  * Copyright (c) 1998-2007 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -9,7 +9,7 @@
  * Authors and maintainers:
  *  libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *  libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- *  libpng versions 0.97, January 1998, through 1.0.28rc3 - August 30, 2007: Glenn
+ *  libpng versions 0.97, January 1998, through 1.0.28rc4 - September 1, 2007: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -156,8 +156,8 @@
  *    1.0.27                  10    10027  10.so.0.27[.0]
  *    1.2.19                  13    10219  12.so.0.19[.0]
  *    1.2.20beta01-04         13    10220  12.so.0.20[.0]
- *    1.0.28rc1-2             10    10028  10.so.0.28[.0]
+ *    1.0.28rc1-4             10    10028  10.so.0.28[.0]
- *    1.2.20rc1-2             13    10220  12.so.0.20[.0]
+ *    1.2.20rc1-4             13    10220  12.so.0.20[.0]
  *    1.0.28                  10    10028  10.so.0.28[.0]
  *    1.2.20                  13    10220  12.so.0.20[.0]
  *
@@ -189,7 +189,7 @@
  * If you modify libpng you may insert additional notices immediately following
  * this sentence.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.0.28rc3, August 30, 2007, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.0.28rc4, September 1, 2007, are
  * Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are
  * distributed according to the same disclaimer and license as libpng-1.2.5
  * with the following individual added to the list of Contributing Authors:
@@ -301,13 +301,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    August 30, 2007
+ *    September 1, 2007
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
  *
  *    This is your unofficial assurance that libpng from version 0.71 and
- *    upward through 1.0.28rc3 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.0.28rc4 are Y2K compliant.  It is my belief that earlier
  *    versions were also Y2K compliant.
  *
  *    Libpng only has three year fields.  One is a 2-byte unsigned integer
@@ -363,9 +363,9 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.0.28rc3"
+#define PNG_LIBPNG_VER_STRING "1.0.28rc4"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.0.28rc3 - August 30, 2007\n"
+   " libpng version 1.0.28rc4 - September 1, 2007\n"
 
 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  10
@@ -377,7 +377,7 @@
 /* This should match the numeric part of the final component of
  * PNG_LIBPNG_VER_STRING, omitting any leading zero: */
 
-#define PNG_LIBPNG_VER_BUILD  3
+#define PNG_LIBPNG_VER_BUILD  4
 
 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -504,9 +504,6 @@ PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_ystart[7];
 PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_yinc[7];
 PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_mask[7];
 PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_dsp_mask[7];
-#if defined(PNG_HAVE_MMX_COMBINE_ROW) || defined(PNG_OPTIMIZED_CODE_SUPPORTED)
-PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_width[7];
-#endif
 /* This isn't currently used.  If you need it, see png.c for more details.
 PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_height[7];
 */
@@ -1279,8 +1276,7 @@ struct png_struct_def
      png_size_t current_text_left;   /* how much text left to read in input */
      png_charp current_text;         /* current text chunk buffer */
      png_charp current_text_ptr;     /* current location in current_text */
-#  endif /* PNG_PROGRESSIVE_READ_SUPPORTED && PNG_TEXT_SUPPORTED */
+#  endif /* PNG_TEXT_SUPPORTED */
-
 #endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
 
 #if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__)
@@ -1416,7 +1412,7 @@ struct png_struct_def
 /* This triggers a compiler error in png.c, if png.c and png.h
  * do not agree upon the version number.
  */
-typedef png_structp version_1_0_28rc3;
+typedef png_structp version_1_0_28rc4;
 
 typedef png_struct FAR * FAR * png_structpp;
 

pngconf.h

@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.0.28rc3 - August 30, 2007
+ * libpng version 1.0.28rc4 - September 1, 2007
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2007 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -594,10 +594,10 @@
 #endif /* PNG_READ_TRANSFORMS_SUPPORTED */
 
 #if !defined(PNG_NO_PROGRESSIVE_READ) && \
- !defined(PNG_PROGRESSIVE_READ_NOT_SUPPORTED) /* if you don't do progressive */
+ !defined(PNG_PROGRESSIVE_READ_SUPPORTED) /* if you don't do progressive   */
-#  define PNG_PROGRESSIVE_READ_SUPPORTED    /* reading.  This is not talking */
+#  define PNG_PROGRESSIVE_READ_SUPPORTED  /* reading.  This is not talking */
-#endif                              /* about interlacing capability!  You'll */
+#endif                            /* about interlacing capability!  You'll */
-             /* still have interlacing unless you change the following line: */
+           /* still have interlacing unless you change the following line: */
 
 #define PNG_READ_INTERLACING_SUPPORTED /* required in PNG-compliant decoders */
 
@@ -721,15 +721,8 @@
 #endif
 
 /* PNG_ASSEMBLER_CODE was enabled by default in version 1.2.0 
- * even when PNG_USE_PNGVCRD or PNG_USE_PNGGCCRD is not defined.
+ * and removed from version 1.2.20.  The following will be removed
- *
+ * from libpng-1.4.0
- * PNG_NO_ASSEMBLER_CODE disables use of all assembler code,
- * and removes several functions from the API.
- *
- * PNG_NO_MMX_CODE disables the use of MMX code without changing the API.
- * When MMX code is off, then optimized C replacement functions are used,
- * if PNG_NO_OPTIMIZED_CODE is not enabled.  This was added in version
- * 1.2.19.
 */
 
 #if defined(PNG_READ_SUPPORTED) && !defined(PNG_NO_OPTIMIZED_CODE)
@@ -756,6 +749,12 @@
 #    endif
 #  endif
 
+#  if (defined(__MWERKS__) && ((__MWERKS__ < 0x0900) || macintosh))
+#    if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE)
+#      define PNG_NO_MMX_CODE
+#    endif
+#  endif
+
 #  if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE)
 #    define PNG_MMX_CODE_SUPPORTED
 #  endif
@@ -768,14 +767,11 @@
 #  if !defined(PNG_USE_PNGGCCRD) && defined(PNG_MMX_CODE_SUPPORTED) && \
      !defined(PNG_USE_PNGVCRD)
 #    define PNG_USE_PNGGCCRD
-     /* If you are sure that you don't need thread safety and you are compiling
-        with PNG_USE_PNGCCRD for an MMX application, you can define this for
-        faster execution.  See pnggccrd.c.
 #    define PNG_THREAD_UNSAFE_OK
-     */
 #  endif
 
 #endif
+/* end of obsolete code to be removed from libpng-1.4.0 */
 
 #if !defined(PNG_1_0_X)
 #if !defined(PNG_NO_USER_MEM) && !defined(PNG_USER_MEM_SUPPORTED)
@@ -1483,53 +1479,6 @@ typedef z_stream FAR *  png_zstreamp;
 #  define PNG_ZBUF_SIZE 65536L
 #endif
 
-#ifdef PNG_READ_SUPPORTED
-/* Prior to libpng-1.0.9, this block was in pngasmrd.h */
-#if defined(PNG_INTERNAL)
-
-#if defined(PNG_USE_PNGGCCRD) || defined(PNG_USE_PNGVCRD)
-  /* Platform must be Pentium.  Makefile must assemble and load
-   * pnggccrd.c or  pngvcrd.c. MMX will be detected at run time and
-   * used if present.
-   */
-#  ifndef PNG_NO_MMX_COMBINE_ROW
-#    define PNG_HAVE_MMX_COMBINE_ROW
-#  endif
-#  ifndef PNG_NO_MMX_READ_INTERLACE
-#    define PNG_HAVE_MMX_READ_INTERLACE
-#  endif
-#  ifndef PNG_NO_MMX_READ_FILTER_ROW
-#    define PNG_HAVE_MMX_READ_FILTER_ROW
-#    ifndef PNG_NO_MMX_FILTER_SUB
-#      define PNG_MMX_READ_FILTER_SUB_SUPPORTED
-#    endif
-#    ifndef PNG_NO_MMX_FILTER_UP
-#      define PNG_MMX_READ_FILTER_UP_SUPPORTED
-#    endif
-#    ifndef PNG_NO_MMX_FILTER_AVG
-#      define PNG_MMX_READ_FILTER_AVG_SUPPORTED
-#    endif
-#    ifndef PNG_NO_MMX_FILTER_PAETH
-#      define PNG_MMX_READ_FILTER_PAETH_SUPPORTED
-#    endif
-#  endif
-  /* These are the default thresholds before the MMX code kicks in; if either
-   * rowbytes or bitdepth is below the threshold, plain C code is used.  These
-   * can be overridden at runtime via the png_set_mmx_thresholds() call in
-   * libpng 1.2.0 and later.  The values below were chosen by Intel.
-   */
-#  ifndef PNG_MMX_ROWBYTES_THRESHOLD_DEFAULT
-#    define PNG_MMX_ROWBYTES_THRESHOLD_DEFAULT  128  /*  >=  */
-#  endif
-#  ifndef PNG_MMX_BITDEPTH_THRESHOLD_DEFAULT
-#    define PNG_MMX_BITDEPTH_THRESHOLD_DEFAULT  9    /*  >=  */   
-#  endif
-#endif /* PNG_USE_PNGGCCRD || PNG_USE_PNGVCRD */
-/* - see pngvcrd.c or pnggccrd.c for info about what is currently enabled */
-
-#endif /* PNG_INTERNAL */
-#endif /* PNG_READ_SUPPORTED */
-
 /* Added at libpng-1.2.8 */
 #endif /* PNG_VERSION_INFO_ONLY */
 

pngerror.c

@@ -1,7 +1,7 @@
 
 /* pngerror.c - stub functions for i/o and memory allocation
  *
- * Last changed in libpng 1.2.20 August 30, 2007
+ * Last changed in libpng 1.2.20 September 1, 2007
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2007 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

pngget.c

@@ -841,6 +841,7 @@ png_get_compression_buffer_size(png_structp png_ptr)
 png_uint_32 PNGAPI
 png_get_asm_flags (png_structp png_ptr)
 {
+    /* obsolete, to be removed from libpng-1.4.0 */
 #ifdef PNG_MMX_CODE_SUPPORTED
     return (png_uint_32)(png_ptr? png_ptr->asm_flags : 0L);
 #else
@@ -852,94 +853,36 @@ png_get_asm_flags (png_structp png_ptr)
 png_uint_32 PNGAPI
 png_get_asm_flagmask (int flag_select)
 {
-#ifdef PNG_MMX_CODE_SUPPORTED
+    /* obsolete, to be removed from libpng-1.4.0 */
-    png_uint_32 settable_asm_flags = 0;
+    flag_select=flag_select;
-
+    return 0L;
-    if (flag_select & PNG_SELECT_READ)
-        settable_asm_flags |=
-          PNG_ASM_FLAG_MMX_READ_COMBINE_ROW  |
-          PNG_ASM_FLAG_MMX_READ_INTERLACE    |
-          PNG_ASM_FLAG_MMX_READ_FILTER_SUB   |
-          PNG_ASM_FLAG_MMX_READ_FILTER_UP    |
-          PNG_ASM_FLAG_MMX_READ_FILTER_AVG   |
-          PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ;
-          /* no non-MMX flags yet */
-
-#if 0
-    /* GRR:  no write-flags yet, either, but someday... */
-    if (flag_select & PNG_SELECT_WRITE)
-        settable_asm_flags |=
-          PNG_ASM_FLAG_MMX_WRITE_ [whatever] ;
-#endif /* 0 */
-
-    return settable_asm_flags;  /* _theoretically_ settable capabilities only */
-#else
-    return (0L);
-#endif /* PNG_MMX_CODE_SUPPORTED */
 }
 
-
     /* GRR:  could add this:   && defined(PNG_MMX_CODE_SUPPORTED) */
 /* this function was added to libpng 1.2.0 */
 png_uint_32 PNGAPI
 png_get_mmx_flagmask (int flag_select, int *compilerID)
 {
-#if defined(PNG_MMX_CODE_SUPPORTED)
+    /* obsolete, to be removed from libpng-1.4.0 */
-    png_uint_32 settable_mmx_flags = 0;
+    flag_select=flag_select;
-
+    *compilerID = -1;   /* unknown (i.e., no asm/MMX code compiled) */
-    if (flag_select & PNG_SELECT_READ)
+    return 0L;
-        settable_mmx_flags |=
-          PNG_ASM_FLAG_MMX_READ_COMBINE_ROW  |
-          PNG_ASM_FLAG_MMX_READ_INTERLACE    |
-          PNG_ASM_FLAG_MMX_READ_FILTER_SUB   |
-          PNG_ASM_FLAG_MMX_READ_FILTER_UP    |
-          PNG_ASM_FLAG_MMX_READ_FILTER_AVG   |
-          PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ;
-#if 0
-    /* GRR:  no MMX write support yet, but someday... */
-    if (flag_select & PNG_SELECT_WRITE)
-        settable_mmx_flags |=
-          PNG_ASM_FLAG_MMX_WRITE_ [whatever] ;
-#endif /* 0 */
-
-    if (compilerID != NULL) {
-#ifdef PNG_USE_PNGVCRD
-        *compilerID = 1;    /* MSVC */
-#else
-#ifdef PNG_USE_PNGGCCRD
-        *compilerID = 2;    /* gcc/gas */
-#else
-        *compilerID = -1;   /* unknown (i.e., no asm/MMX code compiled) */
-#endif
-#endif
-    }
-
-    return settable_mmx_flags;  /* _theoretically_ settable capabilities only */
-#else
-    return (0L);
-#endif /* ?PNG_MMX_CODE_SUPPORTED */
 }
 
 /* this function was added to libpng 1.2.0 */
 png_byte PNGAPI
 png_get_mmx_bitdepth_threshold (png_structp png_ptr)
 {
-#if defined(PNG_MMX_CODE_SUPPORTED)
+    /* obsolete, to be removed from libpng-1.4.0 */
-    return (png_byte)(png_ptr? png_ptr->mmx_bitdepth_threshold : 0);
-#else
     return (png_ptr? 0: 0);
-#endif /* ?PNG_MMX_CODE_SUPPORTED */
 }
 
 /* this function was added to libpng 1.2.0 */
 png_uint_32 PNGAPI
 png_get_mmx_rowbytes_threshold (png_structp png_ptr)
 {
-#if defined(PNG_MMX_CODE_SUPPORTED)
+    /* obsolete, to be removed from libpng-1.4.0 */
-    return (png_uint_32)(png_ptr? png_ptr->mmx_rowbytes_threshold : 0L);
-#else
     return (png_ptr? 0L: 0L);
-#endif /* ?PNG_MMX_CODE_SUPPORTED */
 }
 #endif /* ?PNG_1_0_X */
 #endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */

pngpread.c

@@ -1,7 +1,7 @@
 
 /* pngpread.c - read a png file in push mode
  *
- * Last changed in libpng 1.2.20 August 30, 2007
+ * Last changed in libpng 1.2.20 September 1, 2007
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2007 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -1001,11 +1001,6 @@ png_read_push_finish_row(png_structp png_ptr)
    /* offset to next interlace block in the y direction */
    PNG_CONST int FARDATA png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2};
 
-   /* Width of interlace block.  This is not currently used - if you need
-    * it, uncomment it here and in png.h
-   PNG_CONST int FARDATA png_pass_width[] = {8, 4, 4, 2, 2, 1, 1};
-   */
-
    /* Height of interlace block.  This is not currently used - if you need
     * it, uncomment it here and in png.h
    PNG_CONST int FARDATA png_pass_height[] = {8, 8, 4, 4, 2, 2, 1};

pngread.c

@@ -55,12 +55,6 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
    if (png_ptr == NULL)
       return (NULL);
 
-#if !defined(PNG_1_0_X)
-#ifdef PNG_MMX_CODE_SUPPORTED
-   png_init_mmx_flags(png_ptr);   /* 1.2.0 addition */
-#endif
-#endif /* PNG_1_0_X */
-
    /* added at libpng-1.2.6 */
 #ifdef PNG_SET_USER_LIMITS_SUPPORTED
    png_ptr->user_width_max=PNG_USER_WIDTH_MAX;

pngset.c

@@ -1202,51 +1202,13 @@ png_set_invalid(png_structp png_ptr, png_infop info_ptr, int mask)
 
 #ifndef PNG_1_0_X
 #ifdef PNG_ASSEMBLER_CODE_SUPPORTED
-/* this function was added to libpng 1.2.0 and should always exist by default */
+/* function was added to libpng 1.2.0 and should always exist by default */
 void PNGAPI
 png_set_asm_flags (png_structp png_ptr, png_uint_32 asm_flags)
 {
-#ifdef PNG_MMX_CODE_SUPPORTED
+/* Obsolete as of libpng-1.2.20 and will be removed from libpng-1.4.0 */
-    png_uint_32 settable_asm_flags;
+    if (png_ptr != NULL)
-    png_uint_32 settable_mmx_flags;
+    png_ptr->asm_flags = 0;
-#endif
-    if (png_ptr == NULL)
-       return;
-#ifdef PNG_MMX_CODE_SUPPORTED
-
-    settable_mmx_flags =
-#ifdef PNG_HAVE_MMX_COMBINE_ROW
-                         PNG_ASM_FLAG_MMX_READ_COMBINE_ROW  |
-#endif
-#ifdef PNG_HAVE_MMX_READ_INTERLACE
-                         PNG_ASM_FLAG_MMX_READ_INTERLACE    |
-#endif
-#ifdef PNG_HAVE_MMX_READ_FILTER_ROW
-                         PNG_ASM_FLAG_MMX_READ_FILTER_SUB   |
-                         PNG_ASM_FLAG_MMX_READ_FILTER_UP    |
-                         PNG_ASM_FLAG_MMX_READ_FILTER_AVG   |
-                         PNG_ASM_FLAG_MMX_READ_FILTER_PAETH |
-#endif
-                         0;
-
-    /* could be some non-MMX ones in the future, but not currently: */
-    settable_asm_flags = settable_mmx_flags;
-
-    if (!(png_ptr->asm_flags & PNG_ASM_FLAG_MMX_SUPPORT_COMPILED) ||
-        !(png_ptr->asm_flags & PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU))
-    {
-        /* clear all MMX flags if MMX isn't supported */
-        settable_asm_flags &= ~settable_mmx_flags;
-        png_ptr->asm_flags &= ~settable_mmx_flags;
-    }
-
-    /* we're replacing the settable bits with those passed in by the user,
-     * so first zero them out of the master copy, then bitwise-OR in the
-     * allowed subset that was requested */
-
-    png_ptr->asm_flags &= ~settable_asm_flags;               /* zero them */
-    png_ptr->asm_flags |= (asm_flags & settable_asm_flags);  /* set them */
-#endif /* ?PNG_MMX_CODE_SUPPORTED */
 }
 
 /* this function was added to libpng 1.2.0 */
@@ -1255,12 +1217,9 @@ png_set_mmx_thresholds (png_structp png_ptr,
                         png_byte mmx_bitdepth_threshold,
                         png_uint_32 mmx_rowbytes_threshold)
 {
+/* Obsolete as of libpng-1.2.20 and will be removed from libpng-1.4.0 */
     if (png_ptr == NULL)
        return;
-#ifdef PNG_MMX_CODE_SUPPORTED
-    png_ptr->mmx_bitdepth_threshold = mmx_bitdepth_threshold;
-    png_ptr->mmx_rowbytes_threshold = mmx_rowbytes_threshold;
-#endif /* ?PNG_MMX_CODE_SUPPORTED */
 }
 #endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
 

pngtest.c

@@ -1548,4 +1548,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_0_28rc3 your_png_h_is_not_version_1_0_28rc3;
+typedef version_1_0_28rc4 your_png_h_is_not_version_1_0_28rc4;

pngwrite.c

@@ -454,14 +454,6 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
    if (png_ptr == NULL)
       return (NULL);
 
-#if !defined(PNG_1_0_X)
-#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
-#ifdef PNG_MMX_CODE_SUPPORTED
-   png_init_mmx_flags(png_ptr);   /* 1.2.0 addition */
-#endif
-#endif
-#endif /* PNG_1_0_X */
-
    /* added at libpng-1.2.6 */
 #ifdef PNG_SET_USER_LIMITS_SUPPORTED
    png_ptr->user_width_max=PNG_USER_WIDTH_MAX;
@@ -670,14 +662,6 @@ png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
    png_ptr->user_height_max=PNG_USER_HEIGHT_MAX;
 #endif
 
-#if !defined(PNG_1_0_X)
-#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
-#ifdef PNG_MMX_CODE_SUPPORTED
-   png_init_mmx_flags(png_ptr);   /* 1.2.0 addition */
-#endif
-#endif
-#endif /* PNG_1_0_X */
-
 #ifdef PNG_SETJMP_SUPPORTED
    /* restore jump buffer */
    png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof (jmp_buf));

scripts/CMakeLists.txt

@@ -62,8 +62,6 @@ else(NOT WIN32)
  endif("$ENV{${TEXT}}" STREQUAL "")
 endif(NOT WIN32)
 
-option(PNG_MMX "Use MMX assembler code (x86 only)" ${png_asm_tmp})
-
 # SET LIBNAME
 # msvc does not append 'lib' - do it here to have consistent name
 if(MSVC)
@@ -101,21 +99,8 @@ set(pngtest_sources
 # SOME NEEDED DEFINITIONS
 add_definitions(-DZLIB_DLL)
 
-if(PNG_MMX)
+add_definitions(-DLIBPNG_NO_MMX)
- if(MSVC)
+add_definitions(-DPNG_NO_MMX_CODE)
-  add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
-  set(libpng_sources ${libpng_sources}
-          pngvcrd.c
-  )
- else(MSVC)
-  set(libpng_sources ${libpng_sources}
-          pnggccrd.c
-  )
- endif(MSVC)
-else(PNG_MMX)
-  add_definitions(-DLIBPNG_NO_MMX)
-  add_definitions(-DPNG_NO_MMX_CODE)
-endif(PNG_MMX)
 
 if(PNG_CONSOLE_IO_SUPPORTED)
  add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
@@ -180,7 +165,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
 
 # SET UP LINKS
 set_target_properties(${PNG_LIB_NAME} PROPERTIES
-#    VERSION 0.${PNGLIB_RELEASE}.1.0.28rc3
+#    VERSION 0.${PNGLIB_RELEASE}.1.0.28rc4
      VERSION 0.${PNGLIB_RELEASE}.0
      SOVERSION 0
      CLEAN_DIRECT_OUTPUT 1)

scripts/libpng-config-head.in

@@ -8,7 +8,7 @@
 
 # Modeled after libxml-config.
 
-version=1.0.28rc3
+version=1.0.28rc4
 prefix=""
 libdir=""
 libs=""

scripts/libpng.pc-configure.in

@@ -5,6 +5,6 @@ includedir=@includedir@/libpng10
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.0.28rc3
+Version: 1.0.28rc4
 Libs: -L${libdir} -lpng10
 Cflags: -I${includedir} @LIBPNG_NO_MMX@

scripts/libpng.pc.in

@@ -5,6 +5,6 @@ includedir=@includedir@/libpng10
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.0.28rc3
+Version: 1.0.28rc4
 Libs: -L${libdir} -lpng10
 Cflags: -I${includedir}

scripts/makefile.32sunu

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.64sunu

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.aix

@@ -20,7 +20,7 @@ LN_SF = ln -f -s
 
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local

scripts/makefile.beos

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.cygwin

@@ -31,9 +31,6 @@ endif
 
 DESTDIR=
 
-# To disable assembler optimizations, add '-DPNG_NO_MMX_CODE' to
-# $CFLAGS.  To enable, add pnggccrd.o to the dependencies.
-
 CC=gcc
 ifdef MINGW
 MINGW_CCFLAGS=-mno-cygwin -I/usr/include/mingw
@@ -77,7 +74,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng10
 PNGMAJ = 0
 CYGDLL = 10
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=cygpng$(CYGDLL).dll
@@ -112,7 +109,7 @@ DL =$(D)$(LIBPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
-	pngwtran.o pngmem.o pngerror.o pngpread.o # pnggccrd.o
+	pngwtran.o pngmem.o pngerror.o pngpread.o
 
 OBJSDLL = $(OBJS:.o=.pic.o)
 
@@ -156,20 +153,6 @@ shared: all-shared
 all-static: $(STATLIB) pngtest-stat$(EXE)
 all-shared: $(SHAREDLIB) pngtest$(EXE)
 
-# pnggccrd.o: pnggccrd.c png.h pngconf.h
-#	@echo ""
-#	@echo '    You can ignore the "control reaches end of non-void function"'
-#	@echo '    warning and "<variable> defined but not used" warnings:'
-#	@echo ""
-#	$(CC) -c $(CFLAGS) -o $@ $<
-
-# pnggccrd.pic.o:	pnggccrd.c png.h pngconf.h
-#	@echo ""
-#	@echo '    You can ignore the "control reaches end of non-void function"'
-#	@echo '    warning and "<variable> defined but not used" warnings:'
-#	@echo ""
-#	$(CC) -c $(CFLAGS) -DPNG_BUILD_DLL -o $@ $<
-
 $(STATLIB): $(OBJS)
 	ar rc $@ $(OBJS)
 	$(RANLIB) $@

scripts/makefile.darwin

@@ -19,7 +19,7 @@ ZLIBINC=../zlib
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.dec

@@ -5,7 +5,7 @@
 
 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng10
 

scripts/makefile.elf

@@ -12,7 +12,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.gcmmx

@@ -7,8 +7,6 @@
 
 # CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier.
 
-# WARNING: The assembler code in pnggccrd.c may not be thread safe.
-
 # NOTE:  When testing MMX performance on a multitasking system, make sure
 #        there are no floating-point programs (e.g., SETI@Home) running in
 #        the background!  Context switches between MMX and FPU are expensive.
@@ -16,7 +14,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
@@ -98,7 +96,7 @@ DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
-	pngwtran.o pngmem.o pngerror.o pngpread.o pnggccrd.o
+	pngwtran.o pngmem.o pngerror.o pngpread.o
 
 OBJSDLL = $(OBJS:.o=.pic.o)
 
@@ -127,12 +125,6 @@ libpng-config:
 	cat scripts/libpng-config-body.in ) > libpng-config
 	chmod +x libpng-config
 
-pnggccrd.o:	pnggccrd.c png.h pngconf.h
-	$(CC) -c $(CFLAGS) -o $@ $*.c
-
-pnggccrd.pic.o:	pnggccrd.c png.h pngconf.h
-	$(CC) -c $(CFLAGS) -fPIC -o $@ pnggccrd.c
-
 $(LIBSO): $(LIBSOMAJ)
 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
 

scripts/makefile.hp64

@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.hpgcc

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.hpux

@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.intel

@@ -36,7 +36,7 @@ O=.obj
 
 OBJS=png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O) \
 pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O) \
-pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O) pngvcrd$(O) pnggccrd$(O)
+pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O)
 
 all: test
 
@@ -61,12 +61,6 @@ pngrtran$(O): png.h pngconf.h
 pngrutil$(O): png.h pngconf.h
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 
-pnggccrd$(O): png.h pngconf.h
-	$(CC) $(CFLAGS) $*.c $(ERRFILE)
-
-pngvcrd$(O): png.h pngconf.h
-	$(CC) $(CFLAGS) $*.c $(ERRFILE)
-
 pngerror$(O): png.h pngconf.h
 	$(CC) $(CFLAGS) $*.c $(ERRFILE)
 

scripts/makefile.linux

@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.mingw

@@ -39,10 +39,6 @@ RANLIB=ranlib
 
 MKDIR_P=/bin/mkdir -pv
 
-
-# To disable assembler optimizations, add '-DPNG_NO_MMX_CODE' to
-# $CFLAGS.  To enable them, add pnggccrd.o to the dependencies.
-
 # Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h
 ifndef prefix
 prefix=/usr
@@ -78,7 +74,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng10
 PNGMAJ = 0
 MINGDLL = 10
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=libpng$(MINGDLL).dll
@@ -109,7 +105,7 @@ DL =$(D)$(LIBPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
-	pngwtran.o pngmem.o pngerror.o pngpread.o # pnggccrd.o
+	pngwtran.o pngmem.o pngerror.o pngpread.o
 
 OBJSDLL = $(OBJS:.o=.pic.o)
 
@@ -282,7 +278,6 @@ pngwrite.o pngwrite.pic.o:	png.h pngconf.h pngwrite.c
 pngwtran.o pngwtran.pic.o:	png.h pngconf.h pngwtran.c
 pngwutil.o pngwutil.pic.o:	png.h pngconf.h pngwutil.c
 pngpread.o pngpread.pic.o:	png.h pngconf.h pngpread.c
-# pnggccrd.o pnggccrd.pic.o:	png.h pngconf.h pnggccrd.c
 
 pngtest.o pngtest.pic.o:	png.h pngconf.h pngtest.c
 

scripts/makefile.ne12bsd

@@ -14,10 +14,10 @@ INCSDIR=${LOCALBASE}/include/libpng10
 
 LIB=	png12
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.0.28rc3
+SHLIB_MINOR=	1.0.28rc4
-SRCS=	pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
+SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
-		pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
+	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
-		pngwtran.c pngmem.c pngerror.c pngpread.c
+	pngwtran.c pngmem.c pngerror.c pngpread.c
 INCS=	png.h pngconf.h
 MAN=	libpng.3 libpngpf.3 png.5
 

scripts/makefile.netbsd

@@ -14,10 +14,10 @@ INCSDIR=${LOCALBASE}/include/libpng
 
 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.0.28rc3
+SHLIB_MINOR=	1.0.28rc4
-SRCS=	pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
+SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
-		pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
+	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
-		pngwtran.c pngmem.c pngerror.c pngpread.c
+	pngwtran.c pngmem.c pngerror.c pngpread.c
 INCS=	png.h pngconf.h
 MAN=	libpng.3 libpngpf.3 png.5
 

scripts/makefile.nommx

@@ -7,7 +7,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.openbsd

@@ -8,10 +8,10 @@ LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.0.28rc3
+SHLIB_MINOR=	1.0.28rc4
 
 LIB=	png
-SRCS=	png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \
+SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
 	pngread.c pngrio.c pngrtran.c pngrutil.c pngset.c pngtrans.c \
 	pngwio.c pngwrite.c pngwtran.c pngwutil.c
 

scripts/makefile.sco

@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.sggcc

@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.sgi

@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME=libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.so9

@@ -8,7 +8,7 @@
 
 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng10
 

scripts/makefile.solaris

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.solaris-x86

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng10
 PNGMAJ = 0
-PNGMIN = 1.0.28rc3
+PNGMIN = 1.0.28rc4
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
@@ -69,7 +69,7 @@ DM=$(DESTDIR)$(MANPATH)
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
-	pngwtran.o pngmem.o pngerror.o pngpread.o pnggccrd.o
+	pngwtran.o pngmem.o pngerror.o pngpread.o
 
 OBJSDLL = $(OBJS:.o=.pic.o)
 
@@ -232,7 +232,6 @@ pngwio.o pngwio.pic.o: png.h pngconf.h
 pngmem.o pngmem.pic.o: png.h pngconf.h
 pngset.o pngset.pic.o: png.h pngconf.h
 pngget.o pngget.pic.o: png.h pngconf.h
-pnggccrd.o pnggccrd.pic.o: png.h pngconf.h
 pngread.o pngread.pic.o: png.h pngconf.h
 pngrtran.o pngrtran.pic.o: png.h pngconf.h
 pngrutil.o pngrutil.pic.o: png.h pngconf.h

scripts/makefile.vcawin32

@@ -26,8 +26,7 @@ O=.obj
 OBJS1 = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O)
 OBJS2 = pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O)
 OBJS3 = pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O)
-OBJS4 = pngvcrd$(O)
+OBJS  = $(OBJS1) $(OBJS2) $(OBJS3)
-OBJS  = $(OBJS1) $(OBJS2) $(OBJS3) $(OBJS4)
 
 # Targets
 all: libpng.lib
@@ -80,9 +79,6 @@ pngwtran$(O): png.h pngconf.h
 pngwutil$(O): png.h pngconf.h
 	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
 
-pngvcrd$(O): png.h pngconf.h
-	$(CC) -c $(CFLAGS) $*.c $(ERRFILE)
-
 libpng.lib: $(OBJS)
 	-$(RM) $@
 	$(AR) $(ARFLAGS) -out:$@ $(OBJS) $(ERRFILE)

scripts/pngos2.def

@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------
 
-; Version 1.0.28rc3
+; Version 1.0.28rc4
 
 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"

scripts/pngw32.def

@@ -5,7 +5,7 @@
 LIBRARY
 
 EXPORTS
-;Version 1.0.28rc3
+;Version 1.0.28rc4
   png_build_grayscale_palette  @1
   png_check_sig        @2
   png_chunk_error      @3