libpng 1.6.41

3rdparty/libpng/ANNOUNCE

@@ -1,5 +1,5 @@
-libpng 1.6.40 - June 21, 2023
-=============================
+libpng 1.6.41 - January 24, 2024
+================================
 
 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-1.6.40.tar.xz (LZMA-compressed, recommended)
- * libpng-1.6.40.tar.gz
+ * libpng-1.6.41.tar.xz (LZMA-compressed, recommended)
+ * libpng-1.6.41.tar.gz (deflate-compressed)
 
 Source files with CRLF line endings (for Windows):
 
- * lpng1640.7z (LZMA-compressed, recommended)
- * lpng1640.zip
+ * lpng1641.7z (LZMA-compressed, recommended)
+ * lpng1641.zip (deflate-compressed)
 
 Other information:
 
@@ -25,15 +25,39 @@ Other information:
  * TRADEMARK.md
 
 
-Changes from version 1.6.39 to version 1.6.40
+Changes from version 1.6.40 to version 1.6.41
 ---------------------------------------------
 
- * Fixed the eXIf chunk multiplicity checks.
- * Fixed a memory leak in pCAL processing.
- * Corrected the validity report about tRNS inside png_get_valid().
- * Fixed various build issues on *BSD, Mac and Windows.
- * Updated the configurations and the scripts for continuous integration.
- * Cleaned up the code, the build scripts, and the documentation.
+ * Added SIMD-optimized code for the Loongarch LSX hardware.
+   (Contributed by GuXiWei, JinBo and ZhangLixia)
+ * Fixed the run-time discovery of MIPS MSA hardware.
+   (Contributed by Sui Jingfeng)
+ * Fixed an off-by-one error in the function `png_do_check_palette_indexes`,
+   which failed to recognize errors that might have existed in the first
+   column of a broken palette-encoded image. This was a benign regression
+   accidentally introduced in libpng-1.6.33. No pixel was harmed.
+   (Contributed by Adam Richter; reviewed by John Bowler)
+ * Fixed, improved and modernized the contrib/pngminus programs, i.e.,
+   png2pnm.c and pnm2png.c
+ * Removed old and peculiar portability hacks that were meant to silence
+   warnings issued by gcc version 7.1 alone.
+   (Contributed by John Bowler)
+ * Fixed and modernized the CMake file, and raised the minimum required
+   CMake version from 3.1 to 3.6.
+   (Contributed by Clinton Ingram, Timothy Lyanguzov, Tyler Kropp, et al.)
+ * Allowed the configure script to disable the building of auxiliary tools
+   and tests, thus catching up with the CMake file.
+   (Contributed by Carlo Bramini)
+ * Fixed a build issue on Mac.
+   (Contributed by Zixu Wang)
+ * Moved the Autoconf macro files to scripts/autoconf.
+ * Moved the CMake files (except for the main CMakeLists.txt) to
+   scripts/cmake and moved the list of their contributing authors to
+   scripts/cmake/AUTHORS.md
+ * Updated the CI configurations and scripts.
+ * Relicensed the CI scripts to the MIT License.
+ * Improved the test coverage.
+   (Contributed by John Bowler)
 
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net.

3rdparty/libpng/AUTHORS

@@ -4,6 +4,7 @@ PNG REFERENCE LIBRARY AUTHORS
 This is the list of PNG Reference Library ("libpng") Contributing
 Authors, for copyright and licensing purposes.
 
+ * Adam Richter
  * Andreas Dilger
  * Cosmin Truta
  * Dave Martindale
@@ -33,20 +34,27 @@ Authors, for copyright and licensing purposes.
  * Vadim Barkov
  * Willem van Schaik
  * Zhijie Liang
+ * Apple Inc.
+    - Zixu Wang (王子旭)
  * Arm Holdings
-   - Richard Townsend
+    - Richard Townsend
  * Google Inc.
-   - Dan Field
-   - Leon Scroggins III
-   - Matt Sarett
-   - Mike Klein
-   - Sami Boukortt
-   - Wan-Teh Chang
+    - Dan Field
+    - Leon Scroggins III
+    - Matt Sarett
+    - Mike Klein
+    - Sami Boukortt
+    - Wan-Teh Chang
+ * Loongson Technology Corporation Ltd.
+    - GuXiWei (顾希伟)
+    - JinBo (金波)
+    - ZhangLixia (张利霞)
 
 The build projects, the build scripts, the test scripts, and other
-files in the "ci", "projects", "scripts" and "tests" directories, have
+files in the "projects", "scripts" and "tests" directories, have
 other copyright owners, but are released under the libpng license.
 
-Some files in the "contrib" directory, and some tools-generated files
-that are distributed with libpng, have other copyright owners, and are
-released under other open source licenses.
+Some files in the "ci" and "contrib" directories, as well as some
+of the tools-generated files that are distributed with libpng, have
+other copyright owners, and are released under other open source
+licenses.

3rdparty/libpng/CHANGES

@@ -6129,6 +6129,38 @@ Version 1.6.40 [June 21, 2023]
   Updated the configurations and the scripts for continuous integration.
   Cleaned up the code, the build scripts, and the documentation.
 
+Version 1.6.41 [January 24, 2024]
+  Added SIMD-optimized code for the Loongarch LSX hardware.
+    (Contributed by GuXiWei, JinBo and ZhangLixia)
+  Fixed the run-time discovery of MIPS MSA hardware.
+    (Contributed by Sui Jingfeng)
+  Fixed an off-by-one error in the function `png_do_check_palette_indexes`,
+    which failed to recognize errors that might have existed in the first
+    column of a broken palette-encoded image. This was a benign regression
+    accidentally introduced in libpng-1.6.33. No pixel was harmed.
+    (Contributed by Adam Richter; reviewed by John Bowler)
+  Fixed, improved and modernized the contrib/pngminus programs, i.e.,
+    png2pnm.c and pnm2png.c
+  Removed old and peculiar portability hacks that were meant to silence
+    warnings issued by gcc version 7.1 alone.
+    (Contributed by John Bowler)
+  Fixed and modernized the CMake file, and raised the minimum required
+    CMake version from 3.1 to 3.6.
+    (Contributed by Clinton Ingram, Timothy Lyanguzov, Tyler Kropp, et al.)
+  Allowed the configure script to disable the building of auxiliary tools
+    and tests, thus catching up with the CMake file.
+    (Contributed by Carlo Bramini)
+  Fixed a build issue on Mac.
+    (Contributed by Zixu Wang)
+  Moved the Autoconf macro files to scripts/autoconf.
+  Moved the CMake files (except for the main CMakeLists.txt) to
+    scripts/cmake and moved the list of their contributing authors to
+    scripts/cmake/AUTHORS.md
+  Updated the CI configurations and scripts.
+  Relicensed the CI scripts to the MIT License.
+  Improved the test coverage.
+    (Contributed by John Bowler)
+
 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