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98 lines
4.6 KiB
Plaintext
98 lines
4.6 KiB
Plaintext
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Libpng 1.5.15 - March 28, 2013
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This is a public release of libpng, intended for use in production codes.
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Files available for download:
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Source files with LF line endings (for Unix/Linux) and with a
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"configure" script
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libpng-1.5.15.tar.xz (LZMA-compressed, recommended)
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libpng-1.5.15.tar.gz
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libpng-1.5.15.tar.bz2
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Source files with CRLF line endings (for Windows), without the
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"configure" script
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lpng1515.7z (LZMA-compressed, recommended)
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lpng1515.zip
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Other information:
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libpng-1.5.15-README.txt
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libpng-1.5.15-LICENSE.txt
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Changes since the last public release (1.5.14):
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Enabled renaming of the extern (but not DLL exported) ARM filter functions.
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Also enabled inclusion of pngpriv.h in non-C files by preventing C/C++
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specific definitions if PNG_VERSION_INFO_ONLY is defined.
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Added png_get_palette_max() function.
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Made a probably general fix for the preprocessing used to generate source
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files. This change might make the check for a special C preprocessor
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unnecessary, and it also eliminates the requirement for sed in the
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configure build process.
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Fix typo in Makefile.am, fix scripts/pnglibconf.mak and makefile.std
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Rebuilt Makefile.in, configure, etc., with autoconf-2.69 and automake-1.13
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Fix 'setting' handling in options.awk and fixed palette_max API
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Remove SUN OS cc -E workround - no longer required
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Turn serial tests back on (recently turned off by autotools upgrade).
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Enclosed the new png_get_palette_max in #ifdef PNG_GET_PALETTE_MAX_SUPPORTED
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block, and revised pnglibconf.h and pnglibconf.h.prebuilt accordingly.
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Use approved/supported Android method to check for NEON, use Linux/POSIX
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1003.1 API to check /proc/self/auxv avoiding buffer allocation and other
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library calls.
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Fixed a race condition in the creation of the build 'scripts' directory
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while building with a parallel make.
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Use parentheses more consistently in "#if defined(MACRO)" tests.
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Fixed PNG_ALIGN(ED)_MEMORY and add ability to turn off ARM_NEON
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runtime checks
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Updated the INSTALL document.
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Revised INSTALL to recommend using CPPFLAGS instead of INCLUDES.
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Revised scripts/makefile.freebsd to respect ZLIBLIB and ZLIBINC.
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Revised scripts/dfn.awk to work with the buggy MSYS awk that has trouble
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with CRLF line endings.
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Avoid a possible memory leak in contrib/gregbook/readpng.c
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Made the _SUPPORTED macro definitions consistent. The change made in
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libpng15 to #define *_SUPPORTED 1, to match the use of -D*_SUPPORTED
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(which means -D*_SUPPORTED=1) and avoid compiler warnings from GCC was made
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inconsistently and causes problems as a result, also some additions in
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pnglibconf.h.prebuilt were inconsistent (omitting the 1). This changes 1.5
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back to the scheme used both before (1.4) and after (1.6). This might cause
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some build scripts to issue warnings, and might, in the extreme, cause some
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applications to fail (but they would fail anyway against 1.6). It seems
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safer to go for consistency, given the change in 1.6, not correctness here,
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particularly as 'make check' currently warns anyway on the symbols.dfn check
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because of the inconsistencies.
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Corrected Android builds and corrected libpng.vers with symbol
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prefixing This adds an API to set optimization options externally,
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providing an alternative and general solution for the non-portable
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run-time tests used by the ARM Neon code. It also makes those tests
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compile and link on Android.
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The order of settings vs options in pnglibconf.h is reversed to allow
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settings to depend on options and options can now set (or override) the
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defaults for settings.
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Fixed CMakelists.txt to allow building a single variant of the library
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(Claudio Bley):
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Introduced a PNG_LIB_TARGETS variable that lists all activated library
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targets. It is an error if this variable ends up empty, ie. you have
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to build at least one library variant.
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Made the *_COPY targets only depend on library targets actually being build.
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Use PNG_LIB_TARGETS to unify a code path.
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Changed the CREATE_SYMLINK macro to expect the full path to a file as the
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first argument. When symlinking the filename component of that path is
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determined and used as the link target.
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Use copy_if_different in the CREATE_SYMLINK macro.
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Eliminated two warnings from the Intel C compiler. The warnings are
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technically valid, although a reasonable treatment of division would
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show it to be incorrect.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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https://lists.sourceforge.net/lists/listinfo/png-mng-implement
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to subscribe)
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or to glennrp at users.sourceforge.net
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Glenn R-P
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