synchronized texlive 73588.

texlive/libs/README

@@ -1,4 +1,4 @@
-$Id: README 73427 2025-01-11 23:22:13Z kakuto $
+$Id: README 73588 2025-01-25 02:34:51Z kakuto $
 Public domain.  Originally created by Karl Berry, 2005.
 
 Libraries we compile for TeX Live.
@@ -37,7 +37,7 @@ icu 76.1 - checked 27oct24 (requires C++17, e.g., g++13)
 libpaper 1.1.29 - checked 07jan24
   https://ftp.debian.org/debian/pool/main/libp/libpaper/
 
-libpng 1.6.45 - checked 08jan25
+libpng 1.6.46 - checked 25jan25
   https://sourceforge.net/projects/libpng/files/ - used by many
 
 lua 5.2.4

texlive/libs/libpng/ChangeLog

@@ -1,3 +1,13 @@
+2025-01-25 Akira Kakuto  <[email protected]>
+
+	Import libpng-1.6.46.
+	* version.ac: Adjust.
+
+2025-01-08 Akira Kakuto  <[email protected]>
+
+	Import libpng-1.6.45.
+	* version.ac: Adjust.
+
 2024-09-13 Akira Kakuto  <[email protected]>
 
 	Import libpng-1.6.44.

texlive/libs/libpng/README

@@ -14,4 +14,4 @@ copied to libs/libpng/configure.ac.
 =============================
 
 2009-07-23	Peter Breitenlohner <[email protected]>
-2025-01-08	Akira Kakuto <[email protected]>
+2025-01-25	Akira Kakuto <[email protected]>

texlive/libs/libpng/TLpatches/ChangeLog

@@ -1,3 +1,7 @@
+2025-01-25  Akira Kakuto <[email protected]>
+
+	Import libpng-1.6.46.
+
 2025-01-08  Akira Kakuto <[email protected]>
 
 	Import libpng-1.6.45.

texlive/libs/libpng/TLpatches/TL-Changes

@@ -1,5 +1,5 @@
-Changes applied to the libpng-1.6.45/ tree as obtained from:
-	https://sourceforge.net/projects/libpng/files/libpng16/1.6.45/
+Changes applied to the libpng-1.6.46/ tree as obtained from:
+	https://sourceforge.net/projects/libpng/files/libpng16/1.6.46/
 
 Copied:
 	scripts/pnglibconf.h.prebuilt -> pnglibconf.h

texlive/libs/libpng/configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.72 for libpng (TeX Live) 1.6.45.
+# Generated by GNU Autoconf 2.72 for libpng (TeX Live) 1.6.46.
 #
 # Report bugs to <[email protected]>.
 #
@@ -604,8 +604,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='libpng (TeX Live)'
 PACKAGE_TARNAME='libpng--tex-live-'
-PACKAGE_VERSION='1.6.45'
-PACKAGE_STRING='libpng (TeX Live) 1.6.45'
+PACKAGE_VERSION='1.6.46'
+PACKAGE_STRING='libpng (TeX Live) 1.6.46'
 PACKAGE_BUGREPORT='[email protected]'
 PACKAGE_URL=''
 
@@ -1342,7 +1342,7 @@ 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 (TeX Live) 1.6.45 to adapt to many kinds of systems.
+'configure' configures libpng (TeX Live) 1.6.46 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1414,7 +1414,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libpng (TeX Live) 1.6.45:";;
+     short | recursive ) echo "Configuration of libpng (TeX Live) 1.6.46:";;
    esac
   cat <<\_ACEOF
 
@@ -1534,7 +1534,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-libpng (TeX Live) configure 1.6.45
+libpng (TeX Live) configure 1.6.46
 generated by GNU Autoconf 2.72
 
 Copyright (C) 2023 Free Software Foundation, Inc.
@@ -1861,7 +1861,7 @@ 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 (TeX Live) $as_me 1.6.45, which was
+It was created by libpng (TeX Live) $as_me 1.6.46, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -4822,7 +4822,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='libpng--tex-live-'
- VERSION='1.6.45'
+ VERSION='1.6.46'
 
 
 printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
@@ -7996,7 +7996,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by libpng (TeX Live) $as_me 1.6.45, which was
+This file was extended by libpng (TeX Live) $as_me 1.6.46, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -8064,7 +8064,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-libpng (TeX Live) config.status 1.6.45
+libpng (TeX Live) config.status 1.6.46
 configured by $0, generated by GNU Autoconf 2.72,
   with options \\"\$ac_cs_config\\"
 

texlive/libs/libpng/libpng-src/ANNOUNCE

@@ -1,5 +1,5 @@
-libpng 1.6.45 - January 7, 2025
-===============================
+libpng 1.6.46 - January 23, 2025
+================================
 
 This is a public release of libpng, intended for use in production code.
 
@@ -9,13 +9,13 @@ Files available for download
 
 Source files with LF line endings (for Unix/Linux):
 
- * libpng-1.6.45.tar.xz (LZMA-compressed, recommended)
- * libpng-1.6.45.tar.gz (deflate-compressed)
+ * libpng-1.6.46.tar.xz (LZMA-compressed, recommended)
+ * libpng-1.6.46.tar.gz (deflate-compressed)
 
 Source files with CRLF line endings (for Windows):
 
- * lpng1645.7z (LZMA-compressed, recommended)
- * lpng1645.zip (deflate-compressed)
+ * lpng1646.7z (LZMA-compressed, recommended)
+ * lpng1646.zip (deflate-compressed)
 
 Other information:
 
@@ -25,18 +25,17 @@ Other information:
  * TRADEMARK.md
 
 
-Changes from version 1.6.44 to version 1.6.45
+Changes from version 1.6.45 to version 1.6.46
 ---------------------------------------------
 
- * Added support for the cICP chunk.
-   (Contributed by Lucas Chollet and John Bowler)
- * Adjusted and improved various checks in colorspace calculations.
+ * Added support for the mDCV and cLLI chunks.
    (Contributed by John Bowler)
- * Rearranged the write order of colorspace chunks for better conformance
-   with the PNG v3 draft specification.
+ * Fixed a build issue affecting C89 compilers.
+   This was a regression introduced in libpng-1.6.45.
    (Contributed by John Bowler)
- * Raised the minimum required CMake version from 3.6 to 3.14.
- * Forked off a development branch for libpng version 1.8.
+ * Added makefile.c89, specifically for testing C89 compilers.
+ * Cleaned up contrib/pngminus: corrected an old typo, removed an old
+   workaround, and updated the CMake file.
 
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net.

texlive/libs/libpng/libpng-src/CHANGES

@@ -6229,6 +6229,16 @@ Version 1.6.45 [January 7, 2025]
   Raised the minimum required CMake version from 3.6 to 3.14.
   Forked off a development branch for libpng version 1.8.
 
+Version 1.6.46 [January 23, 2025]
+  Added support for the mDCV and cLLI chunks.
+    (Contributed by John Bowler)
+  Fixed a build issue affecting C89 compilers.
+    This was a regression introduced in libpng-1.6.45.
+    (Contributed by John Bowler)
+  Added makefile.c89, specifically for testing C89 compilers.
+  Cleaned up contrib/pngminus: corrected an old typo, removed an old
+    workaround, and updated the CMake file.
+
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net.
 Subscription is required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement

texlive/libs/libpng/libpng-src/CMakeLists.txt

@@ -18,7 +18,7 @@ cmake_minimum_required(VERSION 3.14)
 
 set(PNGLIB_MAJOR 1)
 set(PNGLIB_MINOR 6)
-set(PNGLIB_REVISION 45)
+set(PNGLIB_REVISION 46)
 set(PNGLIB_SUBREVISION 0)
 #set(PNGLIB_SUBREVISION "git")
 set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_REVISION})

texlive/libs/libpng/libpng-src/Makefile.am

@@ -1,6 +1,6 @@
 # Makefile.am, the source file for Makefile.in (and hence Makefile), is
 #
-# Copyright (c) 2018-2024 Cosmin Truta
+# Copyright (c) 2018-2025 Cosmin Truta
 # Copyright (c) 2004-2016 Glenn Randers-Pehrson
 #
 # This code is released under the libpng license.
@@ -199,7 +199,7 @@ MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
 config.sub configure depcomp install-sh ltmain.sh missing
 
 # PNG_COPTS give extra options for the C compiler to be used on all compilation
-# steps (unless targe_CFLAGS is specified; that will take precedence over
+# steps (unless target_CFLAGS is specified; that will take precedence over
 # AM_CFLAGS)
 PNG_COPTS = @PNG_COPTS@
 AM_CFLAGS = ${PNG_COPTS}

texlive/libs/libpng/libpng-src/README

@@ -1,4 +1,4 @@
-README for libpng version 1.6.45
+README for libpng version 1.6.46
 ================================
 
 See the note about version numbers near the top of `png.h`.

texlive/libs/libpng/libpng-src/ci/README.md

@@ -0,0 +1,25 @@
+Scripts for the Continuous Integration of the PNG Reference Library
+===================================================================
+
+Copyright Notice
+----------------
+
+Copyright (c) 2019-2024 Cosmin Truta.
+
+Use, modification and distribution are subject to the MIT License.
+Please see the accompanying file `LICENSE_MIT.txt` or visit
+https://opensource.org/license/mit
+
+File List
+---------
+
+    LICENSE_MIT.txt         ==>  The License file
+    README.md               ==>  This file
+    ci_lint.sh              ==>  Lint the source code
+    ci_shellify.sh          ==>  Convert select definitions to shell syntax
+    ci_verify_cmake.sh      ==>  Verify the build driven by CMakeLists.txt
+    ci_verify_configure.sh  ==>  Verify the build driven by configure
+    ci_verify_makefiles.sh  ==>  Verify the build driven by scripts/makefile.*
+    ci_verify_version.sh    ==>  Verify the consistency of version definitions
+    lib/ci.lib.sh           ==>  Shell utilities for the main ci_*.sh scripts
+    targets/*/ci_env.*.sh   ==>  Shell environments for cross-platform testing

texlive/libs/libpng/libpng-src/configure.ac

@@ -25,7 +25,7 @@ AC_PREREQ([2.68])
 
 dnl Version number stuff here:
 
-AC_INIT([libpng],[1.6.45],[[email protected]])
+AC_INIT([libpng],[1.6.46],[[email protected]])
 AC_CONFIG_MACRO_DIR([scripts/autoconf])
 
 # libpng does not follow GNU file name conventions (hence 'foreign')
@@ -46,10 +46,10 @@ dnl automake, so the following is not necessary (and is not defined anyway):
 dnl AM_PREREQ([1.11.2])
 dnl stop configure from automagically running automake
 
-PNGLIB_VERSION=1.6.45
+PNGLIB_VERSION=1.6.46
 PNGLIB_MAJOR=1
 PNGLIB_MINOR=6
-PNGLIB_RELEASE=45
+PNGLIB_RELEASE=46
 
 dnl End of version number stuff
 

texlive/libs/libpng/libpng-src/contrib/libtests/pngunknown.c

@@ -113,6 +113,8 @@ typedef png_byte *png_const_bytep;
 #define png_PLTE PNG_U32( 80,  76,  84,  69)
 #define png_bKGD PNG_U32( 98,  75,  71,  68)
 #define png_cHRM PNG_U32( 99,  72,  82,  77)
+#define png_cICP PNG_U32( 99,  73,  67,  80) /* PNGv3 */
+#define png_cLLI PNG_U32( 99,  76,  76,  73) /* PNGv3 */
 #define png_eXIf PNG_U32(101,  88,  73, 102) /* registered July 2017 */
 #define png_fRAc PNG_U32(102,  82,  65,  99) /* registered, not defined */
 #define png_gAMA PNG_U32(103,  65,  77,  65)
@@ -122,6 +124,7 @@ typedef png_byte *png_const_bytep;
 #define png_hIST PNG_U32(104,  73,  83,  84)
 #define png_iCCP PNG_U32(105,  67,  67,  80)
 #define png_iTXt PNG_U32(105,  84,  88, 116)
+#define png_mDCV PNG_U32(109,  68,  67,  86) /* PNGv3 */
 #define png_oFFs PNG_U32(111,  70,  70, 115)
 #define png_pCAL PNG_U32(112,  67,  65,  76)
 #define png_pHYs PNG_U32(112,  72,  89, 115)
@@ -208,6 +211,20 @@ static struct
          0,
 #     else
          1,
+#     endif
+      1,  START, 0 },
+   { "cICP", PNG_INFO_cICP, png_cICP,
+#     ifdef PNG_READ_cICP_SUPPORTED
+         0,
+#     else
+         1,
+#     endif
+      1,  START, 0 },
+   { "cLLI", PNG_INFO_cLLI, png_cLLI,
+#     ifdef PNG_READ_cLLI_SUPPORTED
+         0,
+#     else
+         1,
 #     endif
       1,  START, 0 },
    { "eXIf", PNG_INFO_eXIf, png_eXIf,
@@ -245,6 +262,13 @@ static struct
          1,
 #     endif
       1, ABSENT, 0 },
+   { "mDCV", PNG_INFO_mDCV, png_mDCV,
+#     ifdef PNG_READ_mDCV_SUPPORTED
+         0,
+#     else
+         1,
+#     endif
+      1,  START, 0 },
    { "oFFs", PNG_INFO_oFFs, png_oFFs,
 #     ifdef PNG_READ_oFFs_SUPPORTED
          0,

texlive/libs/libpng/libpng-src/contrib/pngminus/.editorconfig

@@ -0,0 +1,29 @@
+# https://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = unset
+indent_size = unset
+indent_style = space
+insert_final_newline = true
+max_doc_length = 79
+max_line_length = 79
+trim_trailing_whitespace = true
+
+[*.[ch]]
+indent_size = 2
+indent_style = space
+
+[CMakeLists.txt]
+indent_size = 4
+indent_style = space
+max_doc_length = 79
+max_line_length = 99
+
+[{Makefile,makevms.com}]
+indent_size = unset
+indent_style = unset
+max_doc_length = 79
+max_line_length = 99

texlive/libs/libpng/libpng-src/contrib/pngminus/CHANGES.txt

@@ -11,3 +11,4 @@ version 1.0 - 1999.10.15 - First version.
         1.6 - 2018.08.05 - Improve portability and fix style (Cosmin Truta)
         1.7 - 2019.01.22 - Change license to MIT (Willem van Schaik)
         1.8 - 2024.01.09 - Fix, improve, modernize (Cosmin Truta)
+        1.9 - 2025.01.10 - Delete conditionally-compiled code (Cosmin Truta)

texlive/libs/libpng/libpng-src/contrib/pngminus/CMakeLists.txt

@@ -1,9 +1,9 @@
-# Copyright (c) 2018-2024 Cosmin Truta
+# Copyright (c) 2018-2025 Cosmin Truta
 #
 # This software is released under the MIT license. For conditions of
 # distribution and use, see the LICENSE file part of this package.
 
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.14)
 
 project(PNGMINUS C)