diff --git a/ANNOUNCE b/ANNOUNCE
index 56a55610..b564ea3c 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.2.19beta9 - May 23, 2007
+Libpng 1.2.19beta10 - May 24, 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-1.2.19beta9.tar.gz
-   libpng-1.2.19beta9.tar.bz2
+   libpng-1.2.19beta10.tar.gz
+   libpng-1.2.19beta10.tar.bz2
 
 Source files with LF line endings (for Unix/Linux) without the
 "configure" script
 
-   libpng-1.2.19beta9-no-config.tar.gz
-   libpng-1.2.19beta9-no-config.tar.bz2
+   libpng-1.2.19beta10-no-config.tar.gz
+   libpng-1.2.19beta10-no-config.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp1219b09.zip
-   lp1219b09.tar.bz2
+   lp1219b10.zip
+   lp1219b10.tar.bz2
 
 Project files
 
-   libpng-1.2.19beta9-project-netware.zip
-   libpng-1.2.19beta9-project-wince.zip
+   libpng-1.2.19beta10-project-netware.zip
+   libpng-1.2.19beta10-project-wince.zip
 
 Other information:
 
-   libpng-1.2.19beta9-README.txt
-   libpng-1.2.19beta9-KNOWNBUGS.txt
-   libpng-1.2.19beta9-LICENSE.txt
-   libpng-1.2.19beta9-Y2K-compliance.txt
+   libpng-1.2.19beta10-README.txt
+   libpng-1.2.19beta10-KNOWNBUGS.txt
+   libpng-1.2.19beta10-LICENSE.txt
+   libpng-1.2.19beta10-Y2K-compliance.txt
 
 Changes since the last public release (1.2.18):
 
@@ -75,6 +75,9 @@ version 1.2.19beta9 [May 23, 2007]
   Revised png_squelch_warnings() so it might work.
   Updated makefile.sgcc and makefile.solaris; added makefile.solaris-x86.
 
+version 1.2.19beta10 [May 24, 2007]
+  Resquelched png_squelch_warnings(), use "__attribute__((used))" instead.
+
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 
 (subscription required; visit 
diff --git a/CHANGES b/CHANGES
index 915925f8..9ab1693d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1763,11 +1763,14 @@ version 1.2.19beta7 [May 22, 2007]
 version 1.2.19beta8 [May 22, 2007]
   Removed __MMX__ from test in pngconf.h.
 
-version 1.2.19beta9 [May 23, 2007]
+version 1.2.19beta9 [May 24, 2007]
   Made png_squelch_warnings() available via PNG_SQUELCH_WARNINGS macro.
   Revised png_squelch_warnings() so it might work.
   Updated makefile.sgcc and makefile.solaris; added makefile.solaris-x86.
 
+version 1.2.19beta10 [May 24, 2007]
+  Resquelched png_squelch_warnings(), use "__attribute__((used))" instead.
+
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/INSTALL b/INSTALL
index 9ee9f2ea..6a1ed019 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
 
-Installing libpng version 1.2.19beta9 - May 23, 2007
+Installing libpng version 1.2.19beta10 - May 24, 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-1.2.19beta9" or "lpng109" and "zlib-1.2.1"
+might be called "libpng-1.2.19beta10" 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.0.1.2.19beta9)
+                       gcc, creates libpng12.so.0.1.2.19beta10)
  makefile.linux    =>  Linux/ELF makefile
-                       (gcc, creates libpng12.so.0.1.2.19beta9)
+                       (gcc, creates libpng12.so.0.1.2.19beta10)
  makefile.gcmmx    =>  Linux/ELF makefile
-                       (gcc, creates libpng12.so.0.1.2.19beta9,
+                       (gcc, creates libpng12.so.0.1.2.19beta10,
                        uses assembler code tuned for Intel MMX platform)
  makefile.nommx    =>  Linux/ELF makefile
-                       (gcc, creates libpng12.so.0.1.2.19beta9
+                       (gcc, creates libpng12.so.0.1.2.19beta10
                        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.0.1.2.19beta9)
+                       creates libpng12.so.0.1.2.19beta10)
  makefile.sunos    =>  Sun makefile
  makefile.solaris  =>  Solaris 2.X makefile (gcc,
-                       creates libpng12.so.0.1.2.19beta9)
+                       creates libpng12.so.0.1.2.19beta10)
  makefile.solaris-x86 =>  Solaris/intelMMX 2.X makefile (gcc,
-                       creates libpng12.so.0.1.2.19beta9)
+                       creates libpng12.so.0.1.2.19beta10)
  makefile.so9      =>  Solaris 9 makefile (gcc,
-                       creates libpng12.so.0.1.2.19beta9)
+                       creates libpng12.so.0.1.2.19beta10)
  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
diff --git a/KNOWNBUG b/KNOWNBUG
index 64dfb980..714c1724 100644
--- a/KNOWNBUG
+++ b/KNOWNBUG
@@ -1,5 +1,5 @@
 
-Known bugs in libpng version 1.2.19beta9
+Known bugs in libpng version 1.2.19beta10
 
 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
diff --git a/LICENSE b/LICENSE
index cd3101e5..1175842b 100644
--- a/LICENSE
+++ b/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 1.2.19beta9, May 23, 2007, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.19beta10, May 24, 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
-May 23, 2007
+May 24, 2007
diff --git a/README b/README
index d8c08e19..ce80662c 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.2.19beta9 - May 23, 2007 (shared library 12.0)
+README for libpng version 1.2.19beta10 - May 24, 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.0.1.2.19beta9)
+                            gcc, creates libpng12.so.0.1.2.19beta10)
        makefile.linux   =>  Linux/ELF makefile
-                            (gcc, creates libpng12.so.0.1.2.19beta9)
+                            (gcc, creates libpng12.so.0.1.2.19beta10)
        makefile.gcmmx   =>  Linux/ELF makefile
-                            (gcc, creates libpng12.so.0.1.2.19beta9,
+                            (gcc, creates libpng12.so.0.1.2.19beta10,
                             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.0.1.2.19beta9)
+                            (gcc, creates libpng12.so.0.1.2.19beta10)
        makefile.sunos   =>  Sun makefile
        makefile.solaris =>  Solaris 2.X makefile
-                            (gcc, creates libpng12.so.0.1.2.19beta9)
+                            (gcc, creates libpng12.so.0.1.2.19beta10)
        makefile.so9     =>  Solaris 9 makefile
-                            (gcc, creates libpng12.so.0.1.2.19beta9)
+                            (gcc, creates libpng12.so.0.1.2.19beta10)
        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
diff --git a/Y2KINFO b/Y2KINFO
index eea9000a..44fff2de 100644
--- a/Y2KINFO
+++ b/Y2KINFO
@@ -1,13 +1,13 @@
    Y2K compliance in libpng:
    =========================
 
-      May 23, 2007
+      May 24, 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 1.2.19beta9 are Y2K compliant.  It is my belief that earlier
+      upward through 1.2.19beta10 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
diff --git a/configure b/configure
index a3d006ac..e3a7e654 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.61 for libpng 1.2.19beta9.
+# Generated by GNU Autoconf 2.61 for libpng 1.2.19beta10.
 #
 # 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='1.2.19beta9'
-PACKAGE_STRING='libpng 1.2.19beta9'
+PACKAGE_VERSION='1.2.19beta10'
+PACKAGE_STRING='libpng 1.2.19beta10'
 PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
 
 ac_unique_file="pngget.c"
@@ -1405,7 +1405,7 @@ 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 1.2.19beta9 to adapt to many kinds of systems.
+\`configure' configures libpng 1.2.19beta10 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1475,7 +1475,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libpng 1.2.19beta9:";;
+     short | recursive ) echo "Configuration of libpng 1.2.19beta10:";;
    esac
   cat <<\_ACEOF
 
@@ -1585,7 +1585,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-libpng configure 1.2.19beta9
+libpng configure 1.2.19beta10
 generated by GNU Autoconf 2.61
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -1599,7 +1599,7 @@ 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 1.2.19beta9, which was
+It was created by libpng $as_me 1.2.19beta10, which was
 generated by GNU Autoconf 2.61.  Invocation command line was
 
   $ $0 $@
@@ -2269,7 +2269,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='libpng'
- VERSION='1.2.19beta9'
+ VERSION='1.2.19beta10'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2440,7 +2440,7 @@ fi
 
 
 
-PNGLIB_VERSION=1.2.19beta9
+PNGLIB_VERSION=1.2.19beta10
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=2
 PNGLIB_RELEASE=19
@@ -21119,7 +21119,7 @@ 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 1.2.19beta9, which was
+This file was extended by libpng $as_me 1.2.19beta10, which was
 generated by GNU Autoconf 2.61.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -21172,7 +21172,7 @@ Report bugs to <bug-autoconf@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
-libpng config.status 1.2.19beta9
+libpng config.status 1.2.19beta10
 configured by $0, generated by GNU Autoconf 2.61,
   with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
diff --git a/configure.ac b/configure.ac
index adfc8a64..bb09f2a2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,12 +18,12 @@ AC_PREREQ(2.59)
 
 dnl Version number stuff here:
 
-AC_INIT([libpng], [1.2.19beta9], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.2.19beta10], [png-mng-implement@lists.sourceforge.net])
 AM_INIT_AUTOMAKE
 dnl stop configure from automagically running automake
 AM_MAINTAINER_MODE
 
-PNGLIB_VERSION=1.2.19beta9
+PNGLIB_VERSION=1.2.19beta10
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=2
 PNGLIB_RELEASE=19
diff --git a/libpng-1.2.19beta9.txt b/libpng-1.2.19beta10.txt
similarity index 99%
rename from libpng-1.2.19beta9.txt
rename to libpng-1.2.19beta10.txt
index 80d45fa2..e94816f8 100644
--- a/libpng-1.2.19beta9.txt
+++ b/libpng-1.2.19beta10.txt
@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.2.19beta9 - May 23, 2007
+ libpng version 1.2.19beta10 - May 24, 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
 
-May 23, 2007
+May 24, 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 1.2.19beta9 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.19beta10 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
diff --git a/libpng.3 b/libpng.3
index a74c6bc8..11a7a4ca 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "May 23, 2007"
+.TH LIBPNG 3 "May 24, 2007"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.19beta9
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.19beta10
 .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 1.2.19beta9 - May 23, 2007
+ libpng version 1.2.19beta10 - May 24, 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
 
-May 23, 2007
+May 24, 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 1.2.19beta9 are Y2K compliant.  It is my belief that earlier
+upward through 1.2.19beta10 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]
- 1.2.19beta1-9       13    10219  12.so.0.19[.0]
+ 1.2.19beta1-10      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 1.2.19beta9 - May 23, 2007:
+Libpng version 1.2.19beta10 - May 24, 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 1.2.19beta9, May 23, 2007, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.19beta10, May 24, 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
-May 23, 2007
+May 24, 2007
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index 5abe43b8..a61b73cf 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "May 23, 2007"
+.TH LIBPNGPF 3 "May 24, 2007"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.19beta9
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.19beta10
 (private functions)
 .SH SYNOPSIS
 \fB#include <png.h>\fP
diff --git a/png.5 b/png.5
index feaabae0..fef90b2a 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "May 23, 2007"
+.TH PNG 5 "May 24, 2007"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index 7994e7b8..b27c8c6e 100644
--- a/png.c
+++ b/png.c
@@ -1,7 +1,7 @@
 
 /* png.c - location for general purpose libpng functions
  *
- * Last changed in libpng 1.2.19 May 23, 2007
+ * Last changed in libpng 1.2.19 May 24, 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_19beta9 Your_png_h_is_not_version_1_2_19beta9;
+typedef version_1_2_19beta10 Your_png_h_is_not_version_1_2_19beta10;
 
 /* Version information for C files.  This had better match the version
  * string defined in png.h.  */
@@ -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 1.2.19beta9 - May 23, 2007\n\
+   return ((png_charp) "\n libpng version 1.2.19beta10 - May 24, 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");
diff --git a/png.h b/png.h
index c0f63412..ee8c1d0a 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.2.19beta9 - May 23, 2007
+ * libpng version 1.2.19beta10 - May 24, 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 1.2.19beta9 - May 23, 2007: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.19beta10 - May 24, 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]
- *    1.2.19beta1-9           13    10219  12.so.0.19[.0]
+ *    1.2.19beta1-10          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 1.2.19beta9, May 23, 2007, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.19beta10, May 24, 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:
  * =========================
  *
- *    May 23, 2007
+ *    May 24, 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 1.2.19beta9 are Y2K compliant.  It is my belief that earlier
+ *    upward through 1.2.19beta10 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 "1.2.19beta9"
+#define PNG_LIBPNG_VER_STRING "1.2.19beta10"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.2.19beta9 - May 23, 2007 (header)\n"
+   " libpng version 1.2.19beta10 - May 24, 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  9
+#define PNG_LIBPNG_VER_BUILD  10
 
 /* Release Status */
 #define PNG_LIBPNG_BUILD_ALPHA    1
@@ -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_19beta9;
+typedef png_structp version_1_2_19beta10;
 
 typedef png_struct FAR * FAR * png_structpp;
 
diff --git a/pngconf.h b/pngconf.h
index 743a54ae..e57df022 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.2.19beta9 - May 23, 2007
+ * libpng version 1.2.19beta10 - May 24, 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)
diff --git a/pngerror.c b/pngerror.c
index a631aff6..4b2aed3e 100644
--- a/pngerror.c
+++ b/pngerror.c
@@ -1,7 +1,7 @@
 
 /* pngerror.c - stub functions for i/o and memory allocation
  *
- * Last changed in libpng 1.2.19 May 23, 2007
+ * Last changed in libpng 1.2.19 May 24, 2007
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2006 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pnggccrd.c b/pnggccrd.c
index 56230cd9..f36e69a9 100644
--- a/pnggccrd.c
+++ b/pnggccrd.c
@@ -7,7 +7,7 @@
  *     and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm
  *     for Intel's performance analysis of the MMX vs. non-MMX code.
  *
- * Last changed in libpng 1.2.19 May 23, 2007
+ * Last changed in libpng 1.2.19 May 22, 2007
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2007 Glenn Randers-Pehrson
  * Copyright (c) 1998, Intel Corporation
@@ -225,8 +225,20 @@
  *  - eliminated incorrect use of width_mmx in pixel_bytes == 8 case
  *
  * 20040724:
- *   - more tinkering with clobber list at lines 4529 and 5033, to get
- *     it to compile on gcc-3.4.
+ *  - more tinkering with clobber list at lines 4529 and 5033 to get it to
+ *     compile with gcc 3.4
+ *
+ * 20070313:
+ *  - finally applied Giuseppe Ghibò's 64-bit patch of 20060803 (completely
+ *     overlooked Dylan Alex Simon's similar patch of 20060414, oops...)
+ *
+ * 20070524:
+ *  - fixed link failure caused by asm-only variables being optimized out
+ *     (identified by Dimitri of TrollTech) with __attribute__((used)), which
+ *     also gets rid of warnings => nuked ugly png_squelch_warnings() hack
+ *  - dropped redundant ifdef
+ *  - moved png_mmx_support() back up where originally intended (as in
+ *     pngvcrd.c), using __attribute__((noinline)) in extra prototype
  *
  * STILL TO DO:
  *     - test png_do_read_interlace() 64-bit case (pixel_bytes == 8)
@@ -256,6 +268,7 @@ static PNG_CONST int FARDATA png_pass_width[7] = {8, 4, 4, 2, 2, 1, 1};
 #endif
 
 #if defined(PNG_MMX_CODE_SUPPORTED)
+
 /* djgpp, Win32, Cygwin, and OS2 add their own underscores to global variables,
  * so define them without: */
 #if defined(__DJGPP__) || defined(WIN32) || defined(__CYGWIN__) || \
@@ -295,101 +308,178 @@ static PNG_CONST int FARDATA png_pass_width[7] = {8, 4, 4, 2, 2, 1, 1};
 #  define _pbtemp         pbtemp
 #  define _pctemp         pctemp
 #endif
-#endif
+#endif // djgpp, Win32, Cygwin, OS2
 
 
-/* These constants are used in the inlined MMX assembly code.
-   Ignore gcc's "At top level: defined but not used" warnings. */
+/* These constants are used in the inlined MMX assembly code. */
 
-/* GRR 20000706:  originally _unmask was needed only when compiling with -fPIC,
- *  since that case uses the %ebx register for indexing the Global Offset Table
- *  and there were no other registers available.  But gcc 2.95 and later emit
- *  "more than 10 operands in `asm'" errors when %ebx is used to preload unmask
- *  in the non-PIC case, so we'll just use the global unconditionally now.
- */
-#ifdef PNG_THREAD_UNSAFE_OK
-static int _unmask;
-#endif
+typedef unsigned long long  ull;
 
-#if defined(PNG_MMX_CODE_SUPPORTED)
-static PNG_CONST unsigned long long _mask8_0  = 0x0102040810204080LL;
+static PNG_CONST ull _mask8_0  __attribute__((used)) = 0x0102040810204080LL;
 
-static PNG_CONST unsigned long long _mask16_1 = 0x0101020204040808LL;
-static PNG_CONST unsigned long long _mask16_0 = 0x1010202040408080LL;
+static PNG_CONST ull _mask16_1 __attribute__((used)) = 0x0101020204040808LL;
+static PNG_CONST ull _mask16_0 __attribute__((used)) = 0x1010202040408080LL;
 
-static PNG_CONST unsigned long long _mask24_2 = 0x0101010202020404LL;
-static PNG_CONST unsigned long long _mask24_1 = 0x0408080810101020LL;
-static PNG_CONST unsigned long long _mask24_0 = 0x2020404040808080LL;
+static PNG_CONST ull _mask24_2 __attribute__((used)) = 0x0101010202020404LL;
+static PNG_CONST ull _mask24_1 __attribute__((used)) = 0x0408080810101020LL;
+static PNG_CONST ull _mask24_0 __attribute__((used)) = 0x2020404040808080LL;
 
-static PNG_CONST unsigned long long _mask32_3 = 0x0101010102020202LL;
-static PNG_CONST unsigned long long _mask32_2 = 0x0404040408080808LL;
-static PNG_CONST unsigned long long _mask32_1 = 0x1010101020202020LL;
-static PNG_CONST unsigned long long _mask32_0 = 0x4040404080808080LL;
+static PNG_CONST ull _mask32_3 __attribute__((used)) = 0x0101010102020202LL;
+static PNG_CONST ull _mask32_2 __attribute__((used)) = 0x0404040408080808LL;
+static PNG_CONST ull _mask32_1 __attribute__((used)) = 0x1010101020202020LL;
+static PNG_CONST ull _mask32_0 __attribute__((used)) = 0x4040404080808080LL;
 
-static PNG_CONST unsigned long long _mask48_5 = 0x0101010101010202LL;
-static PNG_CONST unsigned long long _mask48_4 = 0x0202020204040404LL;
-static PNG_CONST unsigned long long _mask48_3 = 0x0404080808080808LL;
-static PNG_CONST unsigned long long _mask48_2 = 0x1010101010102020LL;
-static PNG_CONST unsigned long long _mask48_1 = 0x2020202040404040LL;
-static PNG_CONST unsigned long long _mask48_0 = 0x4040808080808080LL;
+static PNG_CONST ull _mask48_5 __attribute__((used)) = 0x0101010101010202LL;
+static PNG_CONST ull _mask48_4 __attribute__((used)) = 0x0202020204040404LL;
+static PNG_CONST ull _mask48_3 __attribute__((used)) = 0x0404080808080808LL;
+static PNG_CONST ull _mask48_2 __attribute__((used)) = 0x1010101010102020LL;
+static PNG_CONST ull _mask48_1 __attribute__((used)) = 0x2020202040404040LL;
+static PNG_CONST ull _mask48_0 __attribute__((used)) = 0x4040808080808080LL;
 
-static PNG_CONST unsigned long long _const4   = 0x0000000000FFFFFFLL;
-//static PNG_CONST unsigned long long _const5 = 0x000000FFFFFF0000LL;     // NOT USED
-static PNG_CONST unsigned long long _const6   = 0x00000000000000FFLL;
+static PNG_CONST ull _const4   = 0x0000000000FFFFFFLL;
+//static PNG_CONST ull _const5 = 0x000000FFFFFF0000LL;     // NOT USED
+static PNG_CONST ull _const6   = 0x00000000000000FFLL;
 
 // These are used in the row-filter routines and should/would be local
-//  variables if not for gcc addressing limitations.
+//   variables if not for gcc addressing limitations (apparently lifted
+//   in either 3.x or 4.x).
 // WARNING: Their presence probably defeats the thread safety of libpng.
 
 #ifdef PNG_THREAD_UNSAFE_OK
-static png_uint_32  _FullLength;
-static png_uint_32  _MMXLength;
-static int          _dif;
-static int          _patemp; // temp variables for Paeth routine
-static int          _pbtemp;
-static int          _pctemp;
-#endif
-#endif
+// GRR 20000706:  originally _unmask was needed only when compiling with -fPIC,
+//   since that case uses the %ebx register to index the Global Offset Table,
+//   and there were no other registers available.  But gcc 2.95 and later emit
+//   "more than 10 operands in `asm'" errors when %ebx is used to preload
+//   unmask in non-PIC case, so we'll just use the global unconditionally now.
+static int          _unmask;
 
-#ifdef PNG_SQUELCH_WARNINGS
-void /* PRIVATE */
-png_squelch_warnings(void)
-{
-   unsigned long long junk_ll;
-#ifdef PNG_THREAD_UNSAFE_OK
-   _dif = _dif;
-   _patemp = _patemp;
-   _pbtemp = _pbtemp;
-   _pctemp = _pctemp;
-   _MMXLength= _MMXLength;
-#endif
-   junk_ll = _const4;
-   junk_ll = _const6;
-   junk_ll = _mask8_0;
-   junk_ll = _mask16_1;
-   junk_ll = _mask16_0;
-   junk_ll = _mask24_2;
-   junk_ll = _mask24_1;
-   junk_ll = _mask24_0;
-   junk_ll = _mask32_3;
-   junk_ll = _mask32_2;
-   junk_ll = _mask32_1;
-   junk_ll = _mask32_0;
-   junk_ll = _mask48_5;
-   junk_ll = _mask48_4;
-   junk_ll = _mask48_3;
-   junk_ll = _mask48_2;
-   junk_ll = _mask48_1;
-   junk_ll = _mask48_0;
-   junk_ll = junk_ll;
-}
-#endif /* PNG_SQUELCH_WARNINGS */
-#endif /* PNG_MMX_CODE_SUPPORTED */
+static png_uint_32  _FullLength;
+static png_uint_32  _MMXLength  __attribute__((used));
+static int          _dif        __attribute__((used));
+static int          _patemp     __attribute__((used)); // temp variables for
+static int          _pbtemp     __attribute__((used)); //  Paeth routine
+static int          _pctemp     __attribute__((used));
+#endif // PNG_THREAD_UNSAFE_OK
+
+#endif // PNG_MMX_CODE_SUPPORTED
 
 
 
 static int _mmx_supported = 2;
 
+/*===========================================================================*/
+/*                                                                           */
+/*                      P N G _ M M X _ S U P P O R T                        */
+/*                                                                           */
+/*===========================================================================*/
+
+/* GRR NOTES:  (1) the following code assumes 386 or better (pushfl/popfl)
+ *             (2) all instructions compile with gcc 2.7.2.3 and later
+ *           x (3) the function is moved down here to prevent gcc from
+ *           x      inlining it in multiple places and then barfing be-
+ *           x      cause the ".NOT_SUPPORTED" label is multiply defined
+ */
+
+// GRR 20070524:  This declaration apparently is compatible with but supersedes
+//   the one in png.h; in any case, the generated object file is slightly
+//   smaller.  It is unnecessary with gcc 4.1.2, but gcc 2.x apparently
+//   replicated the ".NOT_SUPPORTED" label in each location the function was
+//   inlined, leading to compilation errors due to the "multiply defined"
+//   label.  Old workaround was to leave the function at the end of this
+//   file; new one (still testing) is to use a gcc-specific function attribute
+//   to prevent inlining.
+int PNGAPI
+png_mmx_support(void) __attribute__((noinline));
+
+int PNGAPI
+png_mmx_support(void)
+{
+#if defined(PNG_MMX_CODE_SUPPORTED)
+    int result;
+    __asm__ __volatile__ (
+#ifdef __x86_64__
+        "pushq %%rbx          \n\t"  // rbx gets clobbered by CPUID instruction
+        "pushq %%rcx          \n\t"  // so does rcx...
+        "pushq %%rdx          \n\t"  // ...and rdx (but rcx & rdx safe on Linux)
+        "pushfq               \n\t"  // save Eflag to stack
+        "popq %%rax           \n\t"  // get Eflag from stack into rax
+        "movq %%rax, %%rcx    \n\t"  // make another copy of Eflag in rcx
+        "xorl $0x200000, %%eax \n\t" // toggle ID bit in Eflag (i.e., bit 21)
+        "pushq %%rax          \n\t"  // save modified Eflag back to stack
+        "popfq                \n\t"  // restore modified value to Eflag reg
+        "pushfq               \n\t"  // save Eflag to stack
+        "popq %%rax           \n\t"  // get Eflag from stack
+        "pushq %%rcx          \n\t"  // save original Eflag to stack
+        "popfq                \n\t"  // restore original Eflag
+#else
+        "pushl %%ebx          \n\t"  // ebx gets clobbered by CPUID instruction
+        "pushl %%ecx          \n\t"  // so does ecx...
+        "pushl %%edx          \n\t"  // ...and edx (but ecx & edx safe on Linux)
+        "pushfl               \n\t"  // save Eflag to stack
+        "popl %%eax           \n\t"  // get Eflag from stack into eax
+        "movl %%eax, %%ecx    \n\t"  // make another copy of Eflag in ecx
+        "xorl $0x200000, %%eax \n\t" // toggle ID bit in Eflag (i.e., bit 21)
+        "pushl %%eax          \n\t"  // save modified Eflag back to stack
+        "popfl                \n\t"  // restore modified value to Eflag reg
+        "pushfl               \n\t"  // save Eflag to stack
+        "popl %%eax           \n\t"  // get Eflag from stack
+        "pushl %%ecx          \n\t"  // save original Eflag to stack
+        "popfl                \n\t"  // restore original Eflag
+#endif
+        "xorl %%ecx, %%eax    \n\t"  // compare new Eflag with original Eflag
+        "jz 0f                \n\t"  // if same, CPUID instr. is not supported
+
+        "xorl %%eax, %%eax    \n\t"  // set eax to zero
+//      ".byte  0x0f, 0xa2    \n\t"  // CPUID instruction (two-byte opcode)
+        "cpuid                \n\t"  // get the CPU identification info
+        "cmpl $1, %%eax       \n\t"  // make sure eax return non-zero value
+        "jl 0f                \n\t"  // if eax is zero, MMX is not supported
+
+        "xorl %%eax, %%eax    \n\t"  // set eax to zero and...
+        "incl %%eax           \n\t"  // ...increment eax to 1.  This pair is
+                                     // faster than the instruction "mov eax, 1"
+        "cpuid                \n\t"  // get the CPU identification info again
+        "andl $0x800000, %%edx \n\t" // mask out all bits but MMX bit (23)
+        "cmpl $0, %%edx       \n\t"  // 0 = MMX not supported
+        "jz 0f                \n\t"  // non-zero = yes, MMX IS supported
+
+        "movl $1, %%eax       \n\t"  // set return value to 1
+        "jmp  1f              \n\t"  // DONE:  have MMX support
+
+    "0:                       \n\t"  // .NOT_SUPPORTED: target label for jump instructions
+        "movl $0, %%eax       \n\t"  // set return value to 0
+    "1:                       \n\t"  // .RETURN: target label for jump instructions
+#ifdef __x86_64__
+        "popq %%rdx           \n\t"  // restore rdx
+        "popq %%rcx           \n\t"  // restore rcx
+        "popq %%rbx           \n\t"  // restore rbx
+#else
+        "popl %%edx           \n\t"  // restore edx
+        "popl %%ecx           \n\t"  // restore ecx
+        "popl %%ebx           \n\t"  // restore ebx
+#endif
+
+//      "ret                  \n\t"  // DONE:  no MMX support
+                                     // (fall through to standard C "ret")
+
+        : "=a" (result)              // output list
+
+        :                            // any variables used on input (none)
+
+                                     // no clobber list
+//      , "%ebx", "%ecx", "%edx"     // GRR:  we handle these manually
+//      , "memory"   // if write to a variable gcc thought was in a reg
+//      , "cc"       // "condition codes" (flag bits)
+    );
+    _mmx_supported = result;
+#else
+    _mmx_supported = 0;
+#endif /* PNG_MMX_CODE_SUPPORTED */
+
+    return _mmx_supported;
+}
+
+
 /*===========================================================================*/
 /*                                                                           */
 /*                       P N G _ C O M B I N E _ R O W                       */
@@ -1746,7 +1836,7 @@ png_do_read_interlace(png_structp png_ptr)
                      int dummy_value_c;   // fix 'forbidden register spilled'
                      int dummy_value_S;
                      int dummy_value_D;
-                     int dummy_value_a;
+                     long dummy_value_a;
 
                      __asm__ __volatile__ (
                         "subl $21, %%edi         \n\t"
@@ -1799,7 +1889,7 @@ png_do_read_interlace(png_structp png_ptr)
                      int dummy_value_c;   // fix 'forbidden register spilled'
                      int dummy_value_S;
                      int dummy_value_D;
-                     int dummy_value_a;
+                     long dummy_value_a;
 
                      __asm__ __volatile__ (
                         "subl $9, %%edi          \n\t"
@@ -1853,8 +1943,8 @@ png_do_read_interlace(png_structp png_ptr)
                         int dummy_value_c;  // fix 'forbidden register spilled'
                         int dummy_value_S;
                         int dummy_value_D;
-                        int dummy_value_a;
-                        int dummy_value_d;
+                        long dummy_value_a;
+                        long dummy_value_d;
 
                         __asm__ __volatile__ (
                            "subl $3, %%esi          \n\t"
@@ -2802,8 +2892,12 @@ png_read_filter_row_mmx_avg(png_row_infop row_info, png_bytep row,
    __asm__ __volatile__ (
       // initialize address pointers and offset
 #ifdef __PIC__
+#ifdef __x86_64__
+      "pushq %%rbx                 \n\t" // save index to Global Offset Table
+#else
       "pushl %%ebx                 \n\t" // save index to Global Offset Table
 #endif
+#endif
 //pre "movl row, %%edi             \n\t" // edi:  Avg(x)
       "xorl %%ebx, %%ebx           \n\t" // ebx:  x
       "movl %%edi, %%edx           \n\t"
@@ -2858,7 +2952,11 @@ png_read_filter_row_mmx_avg(png_row_infop row_info, png_bytep row,
       "subl %%eax, %%ecx           \n\t" // drop over bytes from original length
       "movl %%ecx, _MMXLength      \n\t"
 #ifdef __PIC__
+#ifdef __x86_64__
+      "popq %%rbx                  \n\t" // restore index to Global Offset Table
+#else
       "popl %%ebx                  \n\t" // restore index to Global Offset Table
+#endif
 #endif
 
       : "=c" (dummy_value_c),            // output regs (dummy)
@@ -3234,7 +3332,11 @@ png_read_filter_row_mmx_avg(png_row_infop row_info, png_bytep row,
          __asm__ __volatile__ (
             // re-init address pointers and offset
 #ifdef __PIC__
+#ifdef __x86_64__
+            "pushq %%rbx                 \n\t" // save Global Offset Table index
+#else
             "pushl %%ebx                 \n\t" // save Global Offset Table index
+#endif
 #endif
             "movl _dif, %%ebx            \n\t" // ebx:  x = offset to alignment
                                                // boundary
@@ -3265,7 +3367,11 @@ png_read_filter_row_mmx_avg(png_row_infop row_info, png_bytep row,
 
          "avg_1end:                      \n\t"
 #ifdef __PIC__
+#ifdef __x86_64
+            "popq %%rbx                  \n\t" // Global Offset Table index
+#else
             "popl %%ebx                  \n\t" // Global Offset Table index
+#endif
 #endif
 
             : "=c" (dummy_value_c),            // output regs (dummy)
@@ -3394,7 +3500,11 @@ png_read_filter_row_mmx_avg(png_row_infop row_info, png_bytep row,
       // MMX acceleration complete; now do clean-up
       // check if any remaining bytes left to decode
 #ifdef __PIC__
+#ifdef __x86_64__
+      "pushq %%rbx                 \n\t" // save index to Global Offset Table
+#else
       "pushl %%ebx                 \n\t" // save index to Global Offset Table
+#endif
 #endif
       "movl _MMXLength, %%ebx      \n\t" // ebx:  x == offset bytes after MMX
 //pre "movl row, %%edi             \n\t" // edi:  Avg(x)
@@ -3424,7 +3534,11 @@ png_read_filter_row_mmx_avg(png_row_infop row_info, png_bytep row,
    "avg_end:                       \n\t"
       "EMMS                        \n\t" // end MMX; prep for poss. FP instrs.
 #ifdef __PIC__
+#ifdef __x86_64__
+      "popq %%rbx                  \n\t" // restore index to Global Offset Table
+#else
       "popl %%ebx                  \n\t" // restore index to Global Offset Table
+#endif
 #endif
 
       : "=c" (dummy_value_c),            // output regs (dummy)
@@ -3469,7 +3583,11 @@ png_read_filter_row_mmx_paeth(png_row_infop row_info, png_bytep row,
 
    __asm__ __volatile__ (
 #ifdef __PIC__
+#ifdef __x86_64__
+      "pushq %%rbx                 \n\t" // save index to Global Offset Table
+#else
       "pushl %%ebx                 \n\t" // save index to Global Offset Table
+#endif
 #endif
       "xorl %%ebx, %%ebx           \n\t" // ebx:  x offset
 //pre "movl row, %%edi             \n\t"
@@ -3579,7 +3697,11 @@ png_read_filter_row_mmx_paeth(png_row_infop row_info, png_bytep row,
       "subl %%eax, %%ecx           \n\t" // drop over bytes from original length
       "movl %%ecx, _MMXLength      \n\t"
 #ifdef __PIC__
+#ifdef __x86_64__
+      "popq %%rbx                  \n\t" // restore index to Global Offset Table
+#else
       "popl %%ebx                  \n\t" // restore index to Global Offset Table
+#endif
 #endif
 
       : "=c" (dummy_value_c),            // output regs (dummy)
@@ -4279,7 +4401,11 @@ png_read_filter_row_mmx_paeth(png_row_infop row_info, png_bytep row,
       {
          __asm__ __volatile__ (
 #ifdef __PIC__
+#ifdef __x86_64__
+            "pushq %%rbx                 \n\t" // save Global Offset Table index
+#else
             "pushl %%ebx                 \n\t" // save Global Offset Table index
+#endif
 #endif
             "movl _dif, %%ebx            \n\t"
             "cmpl _FullLength, %%ebx     \n\t"
@@ -4366,7 +4492,11 @@ png_read_filter_row_mmx_paeth(png_row_infop row_info, png_bytep row,
 
          "paeth_dend:                    \n\t"
 #ifdef __PIC__
+#ifdef __x86_64__
+            "popq %%rbx                  \n\t" // index to Global Offset Table
+#else
             "popl %%ebx                  \n\t" // index to Global Offset Table
+#endif
 #endif
 
             : "=c" (dummy_value_c),            // output regs (dummy)
@@ -4391,7 +4521,11 @@ png_read_filter_row_mmx_paeth(png_row_infop row_info, png_bytep row,
       // MMX acceleration complete; now do clean-up
       // check if any remaining bytes left to decode
 #ifdef __PIC__
+#ifdef __x86_64__
+      "pushq %%rbx                 \n\t" // save index to Global Offset Table
+#else
       "pushl %%ebx                 \n\t" // save index to Global Offset Table
+#endif
 #endif
       "movl _MMXLength, %%ebx      \n\t"
       "cmpl _FullLength, %%ebx     \n\t"
@@ -4478,7 +4612,11 @@ png_read_filter_row_mmx_paeth(png_row_infop row_info, png_bytep row,
    "paeth_end:                     \n\t"
       "EMMS                        \n\t" // end MMX; prep for poss. FP instrs.
 #ifdef __PIC__
+#ifdef __x86_64__
+      "popq %%rbx                  \n\t" // restore index to Global Offset Table
+#else
       "popl %%ebx                  \n\t" // restore index to Global Offset Table
+#endif
 #endif
 
       : "=c" (dummy_value_c),            // output regs (dummy)
@@ -4947,7 +5085,11 @@ png_read_filter_row_mmx_up(png_row_infop row_info, png_bytep row,
 //pre "movl row, %%edi              \n\t"
       // get # of bytes to alignment
 #ifdef __PIC__
+#ifdef __x86_64__
+      "pushq %%rbx                  \n\t"
+#else
       "pushl %%ebx                  \n\t"
+#endif
 #endif
       "movl %%edi, %%ecx            \n\t"
       "xorl %%ebx, %%ebx            \n\t"
@@ -5049,7 +5191,11 @@ png_read_filter_row_mmx_up(png_row_infop row_info, png_bytep row,
    "up_end:                         \n\t"
       "EMMS                         \n\t" // conversion of filtered row complete
 #ifdef __PIC__
+#ifdef __x86_64__
+      "popq %%rbx                   \n\t"
+#else
       "popl %%ebx                   \n\t"
+#endif
 #endif
 
       : "=d" (dummy_value_d),   // 0      // output regs (dummy)
@@ -5336,92 +5482,6 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
 #endif /* PNG_HAVE_MMX_READ_FILTER_ROW */
 
 
-/*===========================================================================*/
-/*                                                                           */
-/*                      P N G _ M M X _ S U P P O R T                        */
-/*                                                                           */
-/*===========================================================================*/
-
-/* GRR NOTES:  (1) the following code assumes 386 or better (pushfl/popfl)
- *             (2) all instructions compile with gcc 2.7.2.3 and later
- *             (3) the function is moved down here to prevent gcc from
- *                  inlining it in multiple places and then barfing be-
- *                  cause the ".NOT_SUPPORTED" label is multiply defined
- *             [is there a way to signal that a *single* function should
- *              not be inlined?  is there a way to modify the label for
- *              each inlined instance, e.g., by appending _1, _2, etc.?
- *              maybe if don't use leading "." in label name? (nope...sigh)]
- */
-
-int PNGAPI
-png_mmx_support(void)
-{
-#if defined(PNG_MMX_CODE_SUPPORTED)
-    int result;
-    __asm__ __volatile__ (
-        "pushl %%ebx          \n\t"  // ebx gets clobbered by CPUID instruction
-        "pushl %%ecx          \n\t"  // so does ecx...
-        "pushl %%edx          \n\t"  // ...and edx (but ecx & edx safe on Linux)
-//      ".byte  0x66          \n\t"  // convert 16-bit pushf to 32-bit pushfd
-//      "pushf                \n\t"  // 16-bit pushf
-        "pushfl               \n\t"  // save Eflag to stack
-        "popl %%eax           \n\t"  // get Eflag from stack into eax
-        "movl %%eax, %%ecx    \n\t"  // make another copy of Eflag in ecx
-        "xorl $0x200000, %%eax \n\t" // toggle ID bit in Eflag (i.e., bit 21)
-        "pushl %%eax          \n\t"  // save modified Eflag back to stack
-//      ".byte  0x66          \n\t"  // convert 16-bit popf to 32-bit popfd
-//      "popf                 \n\t"  // 16-bit popf
-        "popfl                \n\t"  // restore modified value to Eflag reg
-        "pushfl               \n\t"  // save Eflag to stack
-        "popl %%eax           \n\t"  // get Eflag from stack
-        "pushl %%ecx          \n\t"  // save original Eflag to stack
-        "popfl                \n\t"  // restore original Eflag
-        "xorl %%ecx, %%eax    \n\t"  // compare new Eflag with original Eflag
-        "jz 0f                \n\t"  // if same, CPUID instr. is not supported
-
-        "xorl %%eax, %%eax    \n\t"  // set eax to zero
-//      ".byte  0x0f, 0xa2    \n\t"  // CPUID instruction (two-byte opcode)
-        "cpuid                \n\t"  // get the CPU identification info
-        "cmpl $1, %%eax       \n\t"  // make sure eax return non-zero value
-        "jl 0f                \n\t"  // if eax is zero, MMX is not supported
-
-        "xorl %%eax, %%eax    \n\t"  // set eax to zero and...
-        "incl %%eax           \n\t"  // ...increment eax to 1.  This pair is
-                                     // faster than the instruction "mov eax, 1"
-        "cpuid                \n\t"  // get the CPU identification info again
-        "andl $0x800000, %%edx \n\t" // mask out all bits but MMX bit (23)
-        "cmpl $0, %%edx       \n\t"  // 0 = MMX not supported
-        "jz 0f                \n\t"  // non-zero = yes, MMX IS supported
-
-        "movl $1, %%eax       \n\t"  // set return value to 1
-        "jmp  1f              \n\t"  // DONE:  have MMX support
-
-    "0:                       \n\t"  // .NOT_SUPPORTED: target label for jump instructions
-        "movl $0, %%eax       \n\t"  // set return value to 0
-    "1:                       \n\t"  // .RETURN: target label for jump instructions
-        "popl %%edx           \n\t"  // restore edx
-        "popl %%ecx           \n\t"  // restore ecx
-        "popl %%ebx           \n\t"  // restore ebx
-
-//      "ret                  \n\t"  // DONE:  no MMX support
-                                     // (fall through to standard C "ret")
-
-        : "=a" (result)              // output list
-
-        :                            // any variables used on input (none)
-
-                                     // no clobber list
-//      , "%ebx", "%ecx", "%edx"     // GRR:  we handle these manually
-//      , "memory"   // if write to a variable gcc thought was in a reg
-//      , "cc"       // "condition codes" (flag bits)
-    );
-    _mmx_supported = result;
-#else
-    _mmx_supported = 0;
-#endif /* PNG_MMX_CODE_SUPPORTED */
-
-    return _mmx_supported;
-}
-
-
 #endif /* PNG_USE_PNGGCCRD */
+
+
diff --git a/pngpread.c b/pngpread.c
index 0637118a..5bb0d69b 100644
--- a/pngpread.c
+++ b/pngpread.c
@@ -1,7 +1,7 @@
 
 /* pngpread.c - read a png file in push mode
  *
- * Last changed in libpng 1.2.19 May 23, 2007
+ * Last changed in libpng 1.2.19 May 24, 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)
diff --git a/pngread.c b/pngread.c
index 21ad84a3..408d270f 100644
--- a/pngread.c
+++ b/pngread.c
@@ -1,7 +1,7 @@
 
 /* pngread.c - read a PNG file
  *
- * Last changed in libpng 1.2.19 May 23, 2007
+ * Last changed in libpng 1.2.19 May 24, 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)
diff --git a/pngrtran.c b/pngrtran.c
index 86ad5cca..82608d77 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,7 +1,7 @@
 
 /* pngrtran.c - transforms the data in a row for PNG readers
  *
- * Last changed in libpng 1.2.19 May 23, 2007
+ * Last changed in libpng 1.2.19 May 24, 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)
diff --git a/pngrutil.c b/pngrutil.c
index 7e68068e..3353f250 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@
 
 /* pngrutil.c - utilities to read a PNG file
  *
- * Last changed in libpng 1.2.19 May 23, 2007
+ * Last changed in libpng 1.2.19 May 24, 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)
diff --git a/pngtest.c b/pngtest.c
index 3cf642d4..7859e8bb 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -1551,4 +1551,4 @@ main(int argc, char *argv[])
 }
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_19beta9 your_png_h_is_not_version_1_2_19beta9;
+typedef version_1_2_19beta10 your_png_h_is_not_version_1_2_19beta10;
diff --git a/pngvcrd.c b/pngvcrd.c
index d55e2f54..811cd0dd 100644
--- a/pngvcrd.c
+++ b/pngvcrd.c
@@ -3,7 +3,7 @@
  *
  * For Intel x86 CPU and Microsoft Visual C++ compiler
  *
- * Last changed in libpng 1.2.19 May 23, 2007
+ * Last changed in libpng 1.2.19 May 24, 2007
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2007 Glenn Randers-Pehrson
  * Copyright (c) 1998, Intel Corporation
diff --git a/pngwutil.c b/pngwutil.c
index 2120672a..990fe4f4 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@
 
 /* pngwutil.c - utilities to write a PNG file
  *
- * Last changed in libpng 1.2.19 May 23, 2007
+ * Last changed in libpng 1.2.19 May 24, 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)
diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index e777dd04..66697f89 100644
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -179,7 +179,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
 
 # SET UP LINKS
 set_target_properties(${PNG_LIB_NAME} PROPERTIES
-#    VERSION 0.${PNGLIB_RELEASE}.1.2.19beta9
+#    VERSION 0.${PNGLIB_RELEASE}.1.2.19beta10
      VERSION 0.${PNGLIB_RELEASE}.0
      SOVERSION 0
      CLEAN_DIRECT_OUTPUT 1)
diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in
index 1c28c32c..2bb67d8a 100755
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -8,7 +8,7 @@
 
 # Modeled after libxml-config.
 
-version=1.2.19beta9
+version=1.2.19beta10
 prefix=""
 libdir=""
 libs=""
diff --git a/scripts/libpng.pc-configure.in b/scripts/libpng.pc-configure.in
index 17b00645..84ba2b58 100644
--- a/scripts/libpng.pc-configure.in
+++ b/scripts/libpng.pc-configure.in
@@ -5,6 +5,6 @@ includedir=@includedir@/libpng12
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.2.19beta9
+Version: 1.2.19beta10
 Libs: -L${libdir} -lpng12
 Cflags: -I${includedir} @LIBPNG_NO_MMX@
diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in
index afb84efe..40aa4261 100644
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -5,6 +5,6 @@ includedir=@includedir@/libpng12
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.2.19beta9
+Version: 1.2.19beta10
 Libs: -L${libdir} -lpng12
 Cflags: -I${includedir}
diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu
index f5866daa..62585d93 100644
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu
index 9bc070d2..68f6a19a 100644
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.aix b/scripts/makefile.aix
index ad1e193d..6fbefab5 100644
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -20,7 +20,7 @@ LN_SF = ln -f -s
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local
diff --git a/scripts/makefile.beos b/scripts/makefile.beos
index 550fe371..f3c04471 100644
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin
index b2f7d822..6a7f32e6 100644
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -80,7 +80,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng12
 PNGMAJ = 0
 CYGDLL = 12
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=cygpng$(CYGDLL).dll
diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin
index 62c27bd7..b42cdd93 100644
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -19,7 +19,7 @@ ZLIBINC=../zlib
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.dec b/scripts/makefile.dec
index a92ac9ec..25afa557 100644
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -5,7 +5,7 @@
 
 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
diff --git a/scripts/makefile.elf b/scripts/makefile.elf
index fe61c142..1a30ff8c 100644
--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -12,7 +12,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx
index 05522528..52cb6c31 100644
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -16,7 +16,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64
index 9c1b42bc..9ac04df7 100644
--- a/scripts/makefile.hp64
+++ b/scripts/makefile.hp64
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc
index 8d681d2e..15a0d732 100644
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux
index cd2a414c..7664ce2f 100644
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index ecc24828..c84fb3d6 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw
index f8b2e2e5..30af8bcb 100644
--- a/scripts/makefile.mingw
+++ b/scripts/makefile.mingw
@@ -76,7 +76,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
 LIBNAME = libpng12
 PNGMAJ = 0
 MINGDLL = 12
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=libpng$(MINGDLL).dll
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index afb635d7..0d017e5b 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng12
 
 LIB=	png12
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.19beta9
+SHLIB_MINOR=	1.2.19beta10
 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
diff --git a/scripts/makefile.netbsd b/scripts/makefile.netbsd
index 842465cf..74052380 100644
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng
 
 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.2.19beta9
+SHLIB_MINOR=	1.2.19beta10
 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
diff --git a/scripts/makefile.nommx b/scripts/makefile.nommx
index ecb7ce40..ac9c9662 100644
--- a/scripts/makefile.nommx
+++ b/scripts/makefile.nommx
@@ -7,7 +7,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd
index 4a4065fa..1ee7e942 100644
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -8,7 +8,7 @@ LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.19beta9
+SHLIB_MINOR=	1.2.19beta10
 
 LIB=	png
 SRCS=	png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \
diff --git a/scripts/makefile.sco b/scripts/makefile.sco
index 4065b385..a6e37a23 100644
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -9,7 +9,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
index 1ab49008..d98dee8b 100644
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi
index 5a884724..cd574d14 100644
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -6,7 +6,7 @@
 # Library name:
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.so9 b/scripts/makefile.so9
index 77915509..933eca11 100644
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -8,7 +8,7 @@
 
 # Library name:
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris
index 9e95abcd..b89beecf 100644
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/makefile.solaris-x86 b/scripts/makefile.solaris-x86
index d5560aeb..8bd77320 100644
--- a/scripts/makefile.solaris-x86
+++ b/scripts/makefile.solaris-x86
@@ -8,7 +8,7 @@
 # Library name:
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.19beta9
+PNGMIN = 1.2.19beta10
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 # Shared library names:
diff --git a/scripts/pngos2.def b/scripts/pngos2.def
index af092f4d..1a3795c1 100644
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------
 
-; Version 1.2.19beta9
+; Version 1.2.19beta10
 
 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"
diff --git a/scripts/pngw32.def b/scripts/pngw32.def
index 2f2631c9..243bf313 100644
--- a/scripts/pngw32.def
+++ b/scripts/pngw32.def
@@ -5,7 +5,7 @@
 LIBRARY
 
 EXPORTS
-;Version 1.2.19beta9
+;Version 1.2.19beta10
   png_build_grayscale_palette  @1
   png_check_sig        @2
   png_chunk_error      @3