diff -r 000000000000 -r 6474c204b198 media/libjpeg/MOZCHANGES --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/media/libjpeg/MOZCHANGES Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,121 @@ +To upgrade to a new revision of libjpeg-turbo, do the following: + +* Check out libjpeg-turbo from SVN: + + $ svn co https://libjpeg-turbo.svn.sourceforge.net/svnroot/libjpeg-turbo/trunk libjpeg-turbo + +* In a clean clone of mozilla-central, run the following commands + + $ rm -rf media/libjpeg + $ svn export --ignore-externals /path/to/libjpeg-turbo media/libjpeg + $ cd media/libjpeg + +* Copy win/jsimdcfg.inc to simd/. + +* Since libjpeg-turbo normally creates config.h and jconfig.h at build time and + we use pre-generated versions, changes to jconfig.h.in and win/config.h.in + should be looked for and noted for later inclusion. + +* Now look through the new files and rm any which are npotb. When I upgraded + to libjpeg-turbo 1.1.0, the only files I kept which didn't match + + *.c *.h *.asm *.inc + + were README and README-turbo. + + You can easily look for all non *.c, *.h, *.asm, and *.inc files by running + + $ hg status -nu | grep -v '\(c\|h\|asm\|inc\)$' + + Once you're comfortable that you're only deleting files you want to delete + (and you've hg add'ed the files you want to keep), you can nuke the remaining + files with + + $ hg status -nu | grep -v '\(c\|h\|asm\|inc\)$' | xargs rm + + A helpful command for finding the *.c files which aren't *currently* part of + the build is + + diff <(ls *.c | sort) <(grep -o '\w*\.c' Makefile.in | sort) + + Of course, libjpeg-turbo might have added some new source files, so you'll + have to look though and figure out which of these files to keep. + +* Restore files modified in the Mozilla repository. + + $ hg revert --no-backup config.h jconfig.h Makefile.in MOZCHANGES \ + mozilla.diff simd/Makefile.in genTables.py + +* Update config.h and jconfig.h as noted previously. + +* Apply Mozilla-specific changes to upstream files. + + $ patch -p0 -i mozilla.diff + +* Update Makefile.in to build any new files. + +* Finally, tell hg that we've added or removed some files: + + $ hg addremove + +== March 24, 2014 (libjpeg-turbo v1.3.1 r1205 2014-03-22) == + +* Updated to v1.3.1 release. + +== November 25, 2013 == + +* Fix bug 891693. + +== June 4, 2013 (libjpeg-turbo v1.3.0 r988 2013-05-25) == + +* Updated to v1.3.0 release. + +== December 12, 2012 == + +* Replace the runtime computed jpeg_nbits_table with constants in + jpeg_nbits_table.h to make it shareable among processes. (bug 815473) + +== October 13, 2012 == + +* Modified config.h to use MOZ_ALWAYS_INLINE (bug 800106). + +== July 4, 2012 (libjpeg-turbo v1.2.1 r853 2012-06-30) == + +* Updated to v1.2.1 stable release. + +== June 5, 2012 (libjpeg-turbo v1.2.x branch, r831 2012-05-30) == + +* Updated to latest version on v1.2.x branch (bug 759891). + +== February 10, 2012 (libjpeg-turbo v1.2.0 r807 2012-02-10) == + +* Imported jchuff.c, jdhuff.c, jdhuff.h under new licensing. + +* Created mozilla.diff for the required jmorecfg.h changes and to allow for any + future changes made by Mozilla to upstream files. + +* Removed the following files which are unused by the Mozilla build: + + cderror.h, cdjpeg.h, jconfig.h.in, transupp.h, simd/jsimdcfg.inc.h + + +== March 28, 2011 (initial commit, libjpeg-turbo v1.1.0 r469 2011-02-27) == + +* Modified jmorecfg.h to define UINT8, UINT16, INT16, and INT32 in terms of + prtypes to fix a build error on Windows. + +* Defined INLINE as NS_ALWAYS_INLINE in jconfig.h. + +* Removed the following files which are licensed under the wxWindows license: + + bmp.c, bmp.h, jpegut.c, jpgtest.cxx, rrtimer.h, rrutil.h, turbojpeg.h, + turbojpegl.c + +* Reverted the following files to what was previously in Mozilla's tree + (nominally libjpeg 6.2): + + jchuff.c, jdhuff.c, jdhuff.h + + since the versions of these files in libjpeg-turbo are also under the + wxWindows license. (It would have been nicer to revert them to the new + libjpeg-8b code, but that doesn't easily integrate with libjpeg-turbo.)