Imported from libpng-1.2.19beta21.tar

ANNOUNCE

@@ -1,5 +1,5 @@
 
-Libpng 1.2.19beta17 - June 20, 2007
+Libpng 1.2.19beta21 - June 30, 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-1.2.19beta17.tar.gz
-   libpng-1.2.19beta17.tar.bz2
+   libpng-1.2.19beta21.tar.gz
+   libpng-1.2.19beta21.tar.bz2
 
 Source files with LF line endings (for Unix/Linux) without the
 "configure" script
 
-   libpng-1.2.19beta17-no-config.tar.gz
-   libpng-1.2.19beta17-no-config.tar.bz2
+   libpng-1.2.19beta21-no-config.tar.gz
+   libpng-1.2.19beta21-no-config.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp1219b17.zip
-   lp1219b17.tar.bz2
+   lp1219b21.zip
+   lp1219b21.tar.bz2
 
 Project files
 
-   libpng-1.2.19beta17-project-netware.zip
-   libpng-1.2.19beta17-project-wince.zip
+   libpng-1.2.19beta21-project-netware.zip
+   libpng-1.2.19beta21-project-wince.zip
 
 Other information:
 
-   libpng-1.2.19beta17-README.txt
-   libpng-1.2.19beta17-KNOWNBUGS.txt
-   libpng-1.2.19beta17-LICENSE.txt
-   libpng-1.2.19beta17-Y2K-compliance.txt
+   libpng-1.2.19beta21-README.txt
+   libpng-1.2.19beta21-KNOWNBUGS.txt
+   libpng-1.2.19beta21-LICENSE.txt
+   libpng-1.2.19beta21-Y2K-compliance.txt
 
 Changes since the last public release (1.2.18):
 
@@ -103,10 +103,28 @@ version 1.2.19beta16 [June 18, 2007]
   Changed '#include "pnggccrd.c"' to 'include "$srcdir/pnggccrd.c"'
     in configure.ac
 
-version 1.2.19beta17 [June 20, 2007]
+version 1.2.19beta17 [June 19, 2007]
   Revised many of the makefiles, to set -DPNG_NO_MMX_CODE where needed
     and to not use -O3 unless -DPNG_NO_MMX_CODE is also set.
 
+version 1.2.19beta18 [June 23, 2007]
+  Replaced some C++ style comments with C style comments in pnggccrd.c.
+  Copied optimized C code from pnggccrd.c to pngrutil.c, removed dependency
+    on pnggccrd.o from many makefiles.
+  Added sl and dylib to list of extensions be installed by Makefile.am
+
+version 1.2.19beta19 [June 28, 2007]
+  Fixed testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN in pngrtran.c
+  More cleanup of pnggccrd.c and pngvcrd.c
+
+version 1.2.19beta20 [June 29, 2007]
+  Rebuilt Makefile.in and configure using libtool-1.5.24.
+  Fixed typo in pnggccrd.c
+
+version 1.2.19beta20 [June 30, 2007]
+  More revision of pnggccrd.c
+  Added "test" target to Makefile.in and Makefile.am
+
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 
 (subscription required; visit 

CHANGES

@@ -1796,10 +1796,28 @@ version 1.2.19beta16 [June 18, 2007]
   Changed '#include "pnggccrd.c"' to 'include "$srcdir/pnggccrd.c"'
     in configure.ac
 
-version 1.2.19beta17 [June 20, 2007]
+version 1.2.19beta17 [June 19, 2007]
   Revised many of the makefiles, to set -DPNG_NO_MMX_CODE where needed
     and to not use -O3 unless -DPNG_NO_MMX_CODE is also set.
 
+version 1.2.19beta18 [June 23, 2007]
+  Replaced some C++ style comments with C style comments in pnggccrd.c.
+  Copied optimized C code from pnggccrd.c to pngrutil.c, removed dependency
+    on pnggccrd.o from many makefiles.
+  Added sl and dylib to list of extensions be installed by Makefile.am
+
+version 1.2.19beta19 [June 28, 2007]
+  Fixed testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN in pngrtran.c
+  More cleanup of pnggccrd.c and pngvcrd.c
+
+version 1.2.19beta20 [June 29, 2007]
+  Rebuilt Makefile.in and configure using libtool-1.5.24.
+  Fixed typo in pnggccrd.c
+
+version 1.2.19beta20 [June 30, 2007]
+  More revision of pnggccrd.c
+  Added "test" target to Makefile.in and Makefile.am
+
 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 1.2.19beta17 - June 20, 2007
+Installing libpng version 1.2.19beta21 - June 30, 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-1.2.19beta17" or "lpng109" and "zlib-1.2.1"
+might be called "libpng-1.2.19beta21" 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:
@@ -101,14 +101,14 @@ include
  CMakeLists.txt    =>  "cmake" script
  makefile.std      =>  Generic UNIX makefile (cc, creates static libpng.a)
  makefile.elf      =>  Linux/ELF makefile symbol versioning,
-                       gcc, creates libpng12.so.0.1.2.19beta17)
+                       gcc, creates libpng12.so.0.1.2.19beta21)
  makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng12.so.0.1.2.19beta17)
+                       (gcc, creates libpng12.so.0.1.2.19beta21)
  makefile.gcmmx    =>  Linux/ELF makefile
-                       (gcc, creates libpng12.so.0.1.2.19beta17,
+                       (gcc, creates libpng12.so.0.1.2.19beta21,
                        uses assembler code tuned for Intel MMX platform)
  makefile.nommx    =>  Linux/ELF makefile
-                       (gcc, creates libpng12.so.0.1.2.19beta17
+                       (gcc, creates libpng12.so.0.1.2.19beta21
                        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
@@ -131,14 +131,14 @@ include
  makefile.openbsd  =>  OpenBSD makefile
  makefile.sgi      =>  Silicon Graphics IRIX makefile (cc, creates static lib)
  makefile.sggcc    =>  Silicon Graphics (gcc,
-                       creates libpng12.so.0.1.2.19beta17)
+                       creates libpng12.so.0.1.2.19beta21)
  makefile.sunos    =>  Sun makefile
  makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng12.so.0.1.2.19beta17)
+                       creates libpng12.so.0.1.2.19beta21)
  makefile.solaris-x86 =>  Solaris/intelMMX 2.X makefile (gcc,
-                       creates libpng12.so.0.1.2.19beta17)
+                       creates libpng12.so.0.1.2.19beta21)
  makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng12.so.0.1.2.19beta17)
+                       creates libpng12.so.0.1.2.19beta21)
  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

KNOWNBUG

@@ -1,5 +1,5 @@
 
-Known bugs in libpng version 1.2.19beta17
+Known bugs in libpng version 1.2.19beta21
 
 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
@@ -19,5 +19,11 @@ Known bugs in libpng version 1.2.19beta17
    libpng12.so => libpng12.so.0.1.2.9betaN
    that are generated by the custom makefiles.
 
-   STATUS: For now, system library builders should use the custom makefiles.
+4. June 28, 2007: Pnggccrd.c has been reported to be unreliable on
+   some 64-bit platforms.  It appears to build properly, but it does
+   not always read files correctly, leading to corrupted output or
+   to a crash of the application.
+
+   STATUS:  Under investigation.  A workaround is to use -DPNG_NO_MMX_CODE
+   on 64-bit platforms.
 

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 1.2.19beta17, June 20, 2007, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.19beta21, June 30, 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
-June 20, 2007
+June 30, 2007

Makefile.am

@@ -109,6 +109,8 @@ libpng.vers: libpng.sym
 	$(ECHO) 'local: *; };' >> $@.new
 	mv $@.new $@
 
+test: check
+
 # install the .../include headers as links to the new ones
 install-data-hook:
 	cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
@@ -123,7 +125,7 @@ install-exec-hook:
 	cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config
 	@set -x;\
 	cd $(DESTDIR)$(libdir);\
-	for ext in a la so; do\
+	for ext in a la so sl dylib; do\
 		rm -f libpng.$$ext;\
                 if test -f $(PNGLIB_BASENAME).$$ext; then\
                        $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
@@ -137,7 +139,7 @@ uninstall-hook:
 	@if test -n "@compatlib@"; then\
 		set -x;\
 		cd $(DESTDIR)$(libdir);\
-		for ext in a la so; do\
+		for ext in a la so sl dylib; do\
 			rm -f libpng.$$ext;\
 		done;\
 	fi

Makefile.in

@@ -1259,6 +1259,8 @@ libpng.vers: libpng.sym
 	$(ECHO) 'local: *; };' >> $@.new
 	mv $@.new $@
 
+test: check
+
 # install the .../include headers as links to the new ones
 install-data-hook:
 	cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
@@ -1273,7 +1275,7 @@ install-exec-hook:
 	cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config
 	@set -x;\
 	cd $(DESTDIR)$(libdir);\
-	for ext in a la so; do\
+	for ext in a la so sl dylib; do\
 		rm -f libpng.$$ext;\
                 if test -f $(PNGLIB_BASENAME).$$ext; then\
                        $(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
@@ -1287,7 +1289,7 @@ uninstall-hook:
 	@if test -n "@compatlib@"; then\
 		set -x;\
 		cd $(DESTDIR)$(libdir);\
-		for ext in a la so; do\
+		for ext in a la so sl dylib; do\
 			rm -f libpng.$$ext;\
 		done;\
 	fi

README

@@ -1,4 +1,4 @@
-README for libpng version 1.2.19beta17 - June 20, 2007 (shared library 12.0)
+README for libpng version 1.2.19beta21 - June 30, 2007 (shared library 12.0)
 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 libpng12.so.0.1.2.19beta17)
+                            gcc, creates libpng12.so.0.1.2.19beta21)
        makefile.linux   =>  Linux/ELF makefile
-                            (gcc, creates libpng12.so.0.1.2.19beta17)
+                            (gcc, creates libpng12.so.0.1.2.19beta21)
        makefile.gcmmx   =>  Linux/ELF makefile
-                            (gcc, creates libpng12.so.0.1.2.19beta17,
+                            (gcc, creates libpng12.so.0.1.2.19beta21,
                             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 libpng12.so.0.1.2.19beta17)
+                            (gcc, creates libpng12.so.0.1.2.19beta21)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng12.so.0.1.2.19beta17)
+                            (gcc, creates libpng12.so.0.1.2.19beta21)
        makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng12.so.0.1.2.19beta17)
+                            (gcc, creates libpng12.so.0.1.2.19beta21)
        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:
    =========================
 
-      June 20, 2007
+      June 30, 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 1.2.19beta17 are Y2K compliant.  It is my belief that earlier
+      upward through 1.2.19beta21 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.ac

@@ -18,12 +18,12 @@ AC_PREREQ(2.59)
 
 dnl Version number stuff here:
 
-AC_INIT([libpng], [1.2.19beta17], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.2.19beta21], [png-mng-implement@lists.sourceforge.net])
 AM_INIT_AUTOMAKE
 dnl stop configure from automagically running automake
 AM_MAINTAINER_MODE
 
-PNGLIB_VERSION=1.2.19beta17
+PNGLIB_VERSION=1.2.19beta21
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=2
 PNGLIB_RELEASE=19

libpng-1.2.19beta21.txt

@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.2.19beta17 - June 20, 2007
+ libpng version 1.2.19beta21 - June 30, 2007
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2007 Glenn Randers-Pehrson
@@ -2921,13 +2921,13 @@ application:
 
 IX. Y2K Compliance in libpng
 
-June 20, 2007
+June 30, 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 1.2.19beta17 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.19beta21 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 "June 20, 2007"
+.TH LIBPNG 3 "June 30, 2007"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.19beta17
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.19beta21
 .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 1.2.19beta17 - June 20, 2007
+ libpng version 1.2.19beta21 - June 30, 2007
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2007 Glenn Randers-Pehrson
@@ -3331,13 +3331,13 @@ application:
 
 .SH IX. Y2K Compliance in libpng
 
-June 20, 2007
+June 30, 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 1.2.19beta17 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.19beta21 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
@@ -3526,7 +3526,7 @@ the first widely used release:
  1.2.17              13    10217  12.so.0.17[.0]
  1.0.26              10    10026  10.so.0.26[.0]
  1.2.18              13    10218  12.so.0.18[.0]
- 1.2.19beta1-17      13    10219  12.so.0.19[.0]
+ 1.2.19beta1-21      13    10219  12.so.0.19[.0]
 
 Henceforth the source version will match the shared-library minor
 and patch numbers; the shared-library major version number will be
@@ -3582,7 +3582,7 @@ possible without all of you.
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.2.19beta17 - June 20, 2007:
+Libpng version 1.2.19beta21 - June 30, 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).
 
@@ -3603,7 +3603,7 @@ 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 1.2.19beta17, June 20, 2007, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.19beta21, June 30, 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
@@ -3702,7 +3702,7 @@ certification mark of the Open Source Initiative.
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-June 20, 2007
+June 30, 2007
 
 .\" end of man page
 

libpngpf.3

@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "June 20, 2007"
+.TH LIBPNGPF 3 "June 30, 2007"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.19beta17
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.19beta21
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP

png.5

@@ -1,4 +1,4 @@
-.TH PNG 5 "June 20, 2007"
+.TH PNG 5 "June 30, 2007"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION

png.c

@@ -1,7 +1,7 @@
 
 /* png.c - location for general purpose libpng functions
  *
- * Last changed in libpng 1.2.19 June 20, 2007
+ * Last changed in libpng 1.2.19 June 30, 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)
@@ -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_2_19beta17 Your_png_h_is_not_version_1_2_19beta17;
+typedef version_1_2_19beta21 Your_png_h_is_not_version_1_2_19beta21;
 
 /* Version information for C files.  This had better match the version
  * string defined in png.h.  */
@@ -68,7 +68,7 @@ PNG_CONST int FARDATA png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1};
 PNG_CONST int FARDATA png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2};
 
 /* width of interlace block (used in assembler routines only) */
-#ifdef PNG_HAVE_MMX_COMBINE_ROW
+#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
 
@@ -706,7 +706,7 @@ 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 1.2.19beta17 - June 20, 2007\n\
+   return ((png_charp) "\n libpng version 1.2.19beta21 - June 30, 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");

png.h

@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.2.19beta17 - June 20, 2007
+ * libpng version 1.2.19beta21 - June 30, 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 1.2.19beta17 - June 20, 2007: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.19beta21 - June 30, 2007: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -150,7 +150,7 @@
  *    1.2.17                  13    10217  12.so.0.17[.0]
  *    1.0.26                  10    10026  10.so.0.26[.0]
  *    1.2.18                  13    10218  12.so.0.18[.0]
- *    1.2.19beta1-17          13    10219  12.so.0.19[.0]
+ *    1.2.19beta1-21          13    10219  12.so.0.19[.0]
  *
  *    Henceforth the source version will match the shared-library major
  *    and minor numbers; the shared-library major version number will be
@@ -180,7 +180,7 @@
  * If you modify libpng you may insert additional notices immediately following
  * this sentence.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.2.19beta17, June 20, 2007, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.19beta21, June 30, 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:
@@ -292,13 +292,13 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    June 20, 2007
+ *    June 30, 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 1.2.19beta17 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.2.19beta21 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
@@ -354,9 +354,9 @@
  */
 
 /* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.19beta17"
+#define PNG_LIBPNG_VER_STRING "1.2.19beta21"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.2.19beta17 - June 20, 2007 (header)\n"
+   " libpng version 1.2.19beta21 - June 30, 2007 (header)\n"
 
 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  13
@@ -368,7 +368,7 @@
 /* This should match the numeric part of the final component of
  * PNG_LIBPNG_VER_STRING, omitting any leading zero: */
 
-#define PNG_LIBPNG_VER_BUILD  17
+#define PNG_LIBPNG_VER_BUILD  21
 
 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -495,7 +495,7 @@ 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];
-#ifdef PNG_USE_PNGGCCRD
+#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.
@@ -1353,7 +1353,7 @@ struct png_struct_def
    png_byte filter_type;
 #endif
 
-#if defined(PNG_1_0_X) || (defined(PNG_DEBUG) && defined(PNG_USE_PNGGCCRD))
+#if defined(PNG_1_0_X)
 /* New member added in libpng-1.0.10, ifdef'ed out in 1.2.0 */
    png_uint_32 row_buf_size;
 #endif
@@ -1407,7 +1407,7 @@ 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_2_19beta17;
+typedef png_structp version_1_2_19beta21;
 
 typedef png_struct FAR * FAR * png_structpp;
 

pngconf.h

@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.2.19beta17 - June 20, 2007
+ * libpng version 1.2.19beta21 - June 30, 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)
@@ -595,16 +595,16 @@
 #endif /* PNG_READ_TRANSFORMS_SUPPORTED */
 
 #if !defined(PNG_NO_PROGRESSIVE_READ) && \
- !defined(PNG_PROGRESSIVE_READ_NOT_SUPPORTED)  /* if you don't do progressive */
-#  define PNG_PROGRESSIVE_READ_SUPPORTED     /* reading.  This is not talking */
-#endif                               /* about interlacing capability!  You'll */
-              /* still have interlacing unless you change the following line: */
+ !defined(PNG_PROGRESSIVE_READ_NOT_SUPPORTED) /* if you don't do progressive */
+#  define PNG_PROGRESSIVE_READ_SUPPORTED    /* reading.  This is not talking */
+#endif                              /* about interlacing capability!  You'll */
+             /* still have interlacing unless you change the following line: */
 
-#define PNG_READ_INTERLACING_SUPPORTED /* required for PNG-compliant decoders */
+#define PNG_READ_INTERLACING_SUPPORTED /* required in PNG-compliant decoders */
 
 #ifndef PNG_NO_READ_COMPOSITE_NODIV
 #  ifndef PNG_NO_READ_COMPOSITED_NODIV  /* libpng-1.0.x misspelling */
-#    define PNG_READ_COMPOSITE_NODIV_SUPPORTED   /* well tested on Intel, SGI */
+#    define PNG_READ_COMPOSITE_NODIV_SUPPORTED  /* well tested on Intel, SGI */
 #  endif
 #endif
 
@@ -724,12 +724,21 @@
 /* PNG_ASSEMBLER_CODE was enabled by default in version 1.2.0 
  * even when PNG_USE_PNGVCRD or PNG_USE_PNGGCCRD is not defined.
  *
- * PNG_NO_ASSEMBLER_CODE disables use of all assembler code and optimized C,
- * and removes or includes several functions in the API.
+ * 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.
+ * 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)
+#  ifndef PNG_OPTIMIZED_CODE_SUPPORTED
+#    define PNG_OPTIMIZED_CODE_SUPPORTED
+#  endif
+#endif
+
 #if defined(PNG_READ_SUPPORTED) && !defined(PNG_NO_ASSEMBLER_CODE)
 #  ifndef PNG_ASSEMBLER_CODE_SUPPORTED
 #    define PNG_ASSEMBLER_CODE_SUPPORTED
@@ -755,13 +764,13 @@
      !defined(PNG_USE_PNGVCRD)
 #    define PNG_USE_PNGGCCRD
 #  endif
-#endif
 
 /* 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
 
 #if !defined(PNG_1_0_X)
 #if !defined(PNG_NO_USER_MEM) && !defined(PNG_USER_MEM_SUPPORTED)

pngerror.c

@@ -1,7 +1,7 @@
 
 /* pngerror.c - stub functions for i/o and memory allocation
  *
- * Last changed in libpng 1.2.19 June 20, 2007
+ * Last changed in libpng 1.2.19 June 30, 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)

pngpread.c

@@ -1,7 +1,7 @@
 
 /* pngpread.c - read a png file in push mode
  *
- * Last changed in libpng 1.2.19 June 20, 2007
+ * Last changed in libpng 1.2.19 June 30, 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)

pngread.c

@@ -1,7 +1,7 @@
 
 /* pngread.c - read a PNG file
  *
- * Last changed in libpng 1.2.19 June 20, 2007
+ * Last changed in libpng 1.2.19 June 30, 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)

pngrtran.c

@@ -1,7 +1,7 @@
 
 /* pngrtran.c - transforms the data in a row for PNG readers
  *
- * Last changed in libpng 1.2.19 June 20, 2007
+ * Last changed in libpng 1.2.19 June 30, 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)
@@ -1293,9 +1293,11 @@ png_do_read_transformations(png_structp png_ptr)
       if(rgb_error)
       {
          png_ptr->rgb_to_gray_status=1;
-         if(png_ptr->transformations & PNG_RGB_TO_GRAY_WARN)
+         if((png_ptr->transformations & PNG_RGB_TO_GRAY) == 
+             PNG_RGB_TO_GRAY_WARN)
             png_warning(png_ptr, "png_do_rgb_to_gray found nongray pixel");
-         if(png_ptr->transformations & PNG_RGB_TO_GRAY_ERR)
+         if((png_ptr->transformations & PNG_RGB_TO_GRAY) ==
+             PNG_RGB_TO_GRAY_ERR)
             png_error(png_ptr, "png_do_rgb_to_gray found nongray pixel");
       }
    }

pngtest.c

@@ -1553,4 +1553,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_19beta17 your_png_h_is_not_version_1_2_19beta17;
+typedef version_1_2_19beta21 your_png_h_is_not_version_1_2_19beta21;

pngwutil.c

@@ -1,7 +1,7 @@
 
 /* pngwutil.c - utilities to write a PNG file
  *
- * Last changed in libpng 1.2.19 June 20, 2007
+ * Last changed in libpng 1.2.19 June 30, 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)

scripts/CMakeLists.txt

@@ -90,22 +90,21 @@ set(pngtest_sources
 # SOME NEEDED DEFINITIONS
 add_definitions(-DZLIB_DLL)
 
-if(MSVC)
- 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)
-
-if(NOT PNG_MMX)
+if(PNG_MMX)
+ if(MSVC)
+  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(NOT PNG_MMX)
+endif(PNG_MMX)
 
 if(PNG_CONSOLE_IO_SUPPORTED)
  add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
@@ -170,7 +169,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
 
 # SET UP LINKS
 set_target_properties(${PNG_LIB_NAME} PROPERTIES
-#    VERSION 0.${PNGLIB_RELEASE}.1.2.19beta17
+#    VERSION 0.${PNGLIB_RELEASE}.1.2.19beta21
      VERSION 0.${PNGLIB_RELEASE}.0
      SOVERSION 0
      CLEAN_DIRECT_OUTPUT 1)

scripts/libpng-config-head.in

@@ -8,7 +8,7 @@
 
 # Modeled after libxml-config.
 
-version=1.2.19beta17
+version=1.2.19beta21
 prefix=""
 libdir=""
 libs=""

scripts/libpng.pc-configure.in

@@ -5,6 +5,6 @@ includedir=@includedir@/libpng12
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.2.19beta17
+Version: 1.2.19beta21
 Libs: -L${libdir} -lpng12
 Cflags: -I${includedir} @LIBPNG_NO_MMX@

scripts/libpng.pc.in

@@ -5,6 +5,6 @@ includedir=@includedir@/libpng12
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.2.19beta17
+Version: 1.2.19beta21
 Libs: -L${libdir} -lpng12
 Cflags: -I${includedir}

scripts/makefile.32sunu

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.64sunu

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.aix

@@ -20,7 +20,7 @@ LN_SF = ln -f -s
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local

scripts/makefile.beos

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.cygwin

@@ -32,7 +32,7 @@ endif
 DESTDIR=
 
 # To disable assembler optimizations, add '-DPNG_NO_MMX_CODE' to
-# $CFLAGS.
+# $CFLAGS.  To enable, add pnggccrd.o to the dependencies.
 
 CC=gcc
 ifdef MINGW
@@ -77,7 +77,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng12
 PNGMAJ = 0
 CYGDLL = 12
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=cygpng$(CYGDLL).dll
@@ -112,7 +112,7 @@ DL =$(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 # pnggccrd.o
 
 OBJSDLL = $(OBJS:.o=.pic.o)
 
@@ -156,19 +156,19 @@ 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.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 $@ $<
+# 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)
@@ -297,7 +297,6 @@ pngwio.o pngwio.pic.o:		png.h pngconf.h pngwio.c
 pngmem.o pngmem.pic.o:		png.h pngconf.h pngmem.c
 pngset.o pngset.pic.o:		png.h pngconf.h pngset.c
 pngget.o pngget.pic.o:		png.h pngconf.h pngget.c
-pnggccrd.o pnggccrd.pic.o:	png.h pngconf.h pnggccrd.c
 pngread.o pngread.pic.o:	png.h pngconf.h pngread.c
 pngrtran.o pngrtran.pic.o:	png.h pngconf.h pngrtran.c
 pngrutil.o pngrutil.pic.o:	png.h pngconf.h pngrutil.c
@@ -306,6 +305,7 @@ 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:			png.h pngconf.h pngtest.c
 pngtest-stat.o:			png.h pngconf.h pngtest.c

scripts/makefile.darwin

@@ -19,7 +19,7 @@ ZLIBINC=../zlib
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
@@ -64,7 +64,7 @@ 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)
 
@@ -218,7 +218,6 @@ pngrio.o pngrio.pic.o: png.h pngconf.h
 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
-pnggccrd.o pnggccrd.pic.o: png.h pngconf.h
 pngget.o pngget.pic.o: png.h pngconf.h
 pngread.o pngread.pic.o: png.h pngconf.h
 pngrtran.o pngrtran.pic.o: png.h pngconf.h

scripts/makefile.dec

@@ -5,7 +5,7 @@
 
 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 

scripts/makefile.elf

@@ -12,7 +12,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.freebsd

@@ -31,7 +31,7 @@ CFLAGS+= -DPNG_NO_MMX_CODE
 
 SRCS=	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
 
 pngtest: pngtest.o libpng.a
 	${CC} ${CFLAGS} -L. -static -o pngtest pngtest.o -lpng -lz -lm

scripts/makefile.gcmmx

@@ -16,7 +16,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.hp64

@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.hpgcc

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
@@ -80,7 +80,7 @@ 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)
 
@@ -237,6 +237,5 @@ pngwrite.o pngwrite.pic.o: png.h pngconf.h
 pngwtran.o pngwtran.pic.o: png.h pngconf.h
 pngwutil.o pngwutil.pic.o: png.h pngconf.h
 pngpread.o pngpread.pic.o: png.h pngconf.h
-pnggccrd.o pnggccrd.pic.o: png.h pngconf.h
 
 pngtest.o: png.h pngconf.h

scripts/makefile.hpux

@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
@@ -67,7 +67,7 @@ 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)
 
@@ -226,4 +226,3 @@ pngwrite.o: png.h pngconf.h
 pngwtran.o: png.h pngconf.h
 pngwutil.o: png.h pngconf.h
 pngpread.o: png.h pngconf.h
-pnggccrd.o: png.h pngconf.h

scripts/makefile.linux

@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
@@ -75,7 +75,7 @@ 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)
 
@@ -233,7 +233,6 @@ 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.mingw

@@ -41,7 +41,7 @@ MKDIR_P=/bin/mkdir -pv
 
 
 # To disable assembler optimizations, add '-DPNG_NO_MMX_CODE' to
-# $CFLAGS.
+# $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
@@ -78,7 +78,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng12
 PNGMAJ = 0
 MINGDLL = 12
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=libpng$(MINGDLL).dll
@@ -109,7 +109,7 @@ DL =$(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 # pnggccrd.o
 
 OBJSDLL = $(OBJS:.o=.pic.o)
 
@@ -282,7 +282,7 @@ 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
+# 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

@@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng12
 
 LIB=	png12
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.19beta17
+SHLIB_MINOR=	1.2.19beta21
 SRCS=	pnggccrd.c 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

scripts/makefile.netbsd

@@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng
 
 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.2.19beta17
+SHLIB_MINOR=	1.2.19beta21
 SRCS=	pnggccrd.c 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

scripts/makefile.nommx

@@ -7,7 +7,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
@@ -76,7 +76,7 @@ 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)
 
@@ -243,6 +243,5 @@ pngwrite.o pngwrite.pic.o: png.h pngconf.h
 pngwtran.o pngwtran.pic.o: png.h pngconf.h
 pngwutil.o pngwutil.pic.o: png.h pngconf.h
 pngpread.o pngpread.pic.o: png.h pngconf.h
-pnggccrd.o pnggccrd.pic.o: png.h pngconf.h
 
 pngtest.o: png.h pngconf.h

scripts/makefile.openbsd

@@ -8,7 +8,7 @@ LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.19beta17
+SHLIB_MINOR=	1.2.19beta21
 
 LIB=	png
 SRCS=	png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \

scripts/makefile.sco

@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
@@ -221,6 +221,5 @@ pngwrite.o pngwrite.pic.o: png.h pngconf.h
 pngwtran.o pngwtran.pic.o: png.h pngconf.h
 pngwutil.o pngwutil.pic.o: png.h pngconf.h
 pngpread.o pngpread.pic.o: png.h pngconf.h
-pnggccrd.o pnggccrd.pic.o: png.h pngconf.h
 
 pngtest.o: png.h pngconf.h

scripts/makefile.sggcc

@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
@@ -73,7 +73,7 @@ DI=$(DESTDIR)$(INCPATH)
 DL=$(DESTDIR)$(LIBPATH)
 DM=$(DESTDIR)$(MANPATH)
 
-OBJS = pnggccrd.o png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+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
 
@@ -235,5 +235,4 @@ pngwrite.o: png.h pngconf.h
 pngwtran.o: png.h pngconf.h
 pngwutil.o: png.h pngconf.h
 pngpread.o: png.h pngconf.h
-pnggccrd.o: png.h pngconf.h
 

scripts/makefile.sgi

@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
@@ -76,7 +76,7 @@ DI=$(DESTDIR)$(INCPATH)
 DL=$(DESTDIR)$(LIBPATH)
 DM=$(DESTDIR)$(MANPATH)
 
-OBJS = pnggccrd.o png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+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
 
@@ -238,5 +238,4 @@ pngwrite.o: png.h pngconf.h
 pngwtran.o: png.h pngconf.h
 pngwutil.o: png.h pngconf.h
 pngpread.o: png.h pngconf.h
-pnggccrd.o: png.h pngconf.h
 

scripts/makefile.so9

@@ -8,7 +8,7 @@
 
 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -73,7 +73,7 @@ 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)
 
@@ -243,6 +243,5 @@ pngwrite.o pngwrite.pic.o: png.h pngconf.h
 pngwtran.o pngwtran.pic.o: png.h pngconf.h
 pngwutil.o pngwutil.pic.o: png.h pngconf.h
 pngpread.o pngpread.pic.o: png.h pngconf.h
-pnggccrd.o pnggccrd.pic.o: png.h pngconf.h
 
 pngtest.o: png.h pngconf.h

scripts/makefile.solaris

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/makefile.solaris-x86

@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta17
+PNGMIN = 1.2.19beta21
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:

scripts/pngos2.def

@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------
 
-; Version 1.2.19beta17
+; Version 1.2.19beta21
 
 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"

scripts/pngw32.def

@@ -5,7 +5,7 @@
 LIBRARY
 
 EXPORTS
-;Version 1.2.19beta17
+;Version 1.2.19beta21
   png_build_grayscale_palette  @1
   png_check_sig        @2
   png_chunk_error      @3