Update bundled libpng from 1.6.42 to 1.6.43

1 files changed, 34 insertions, 13 deletions

diff --git a/png/ANNOUNCE b/png/ANNOUNCE
index 404cbb0de..bc147adb7 100644
--- a/png/ANNOUNCE
+++ b/png/ANNOUNCE
@@ -1,5 +1,5 @@
-libpng 1.6.40 - June 21, 2023
-=============================
+libpng 1.6.43 - February 23, 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-1.6.43.tar.xz (LZMA-compressed, recommended)
+ * libpng-1.6.43.tar.gz (deflate-compressed)
 
 Source files with CRLF line endings (for Windows):
 
- * lpng1640.7z (LZMA-compressed, recommended)
- * lpng1640.zip
+ * lpng1643.7z (LZMA-compressed, recommended)
+ * lpng1643.zip (deflate-compressed)
 
 Other information:
 
@@ -25,15 +25,36 @@ Other information:
  * TRADEMARK.md
 
 
-Changes from version 1.6.39 to version 1.6.40
+Changes from version 1.6.42 to version 1.6.43
 ---------------------------------------------
 
- * 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.
+ * Fixed the row width check in png_check_IHDR().
+   This corrected a bug that was specific to the 16-bit platforms,
+   and removed a spurious compiler warning from the 64-bit builds.
+   (Reported by Jacek Caban; fixed by John Bowler)
+ * Added eXIf chunk support to the push-mode reader in pngpread.c.
+   (Contributed by Chris Blume)
+ * Added contrib/pngexif for the benefit of the users who would like
+   to inspect the content of eXIf chunks.
+ * Added contrib/conftest/basic.dfa, a basic build-time configuration.
+   (Contributed by John Bowler)
+ * Fixed a preprocessor condition in pngread.c that broke build-time
+   configurations like contrib/conftest/pngcp.dfa.
+   (Contributed by John Bowler)
+ * Added CMake build support for LoongArch LSX.
+   (Contributed by GuXiWei)
+ * Fixed a CMake build error that occurred under a peculiar state of the
+   dependency tree. This was a regression introduced in libpng-1.6.41.
+   (Contributed by Dan Rosser)
+ * Marked the installed libpng headers as system headers in CMake.
+   (Contributed by Benjamin Buch)
+ * Updated the build support for RISCOS.
+   (Contributed by Cameron Cawley)
+ * Updated the makefiles to allow cross-platform builds to initialize
+   conventional make variables like AR and ARFLAGS.
+ * Added various improvements to the CI scripts in areas like version
+   consistency verification and text linting.
+ * Added version consistency verification to pngtest.c also.
 
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net.