Yes, a reduced testcase would be much appreciated. I don't have access to https://codereview.qt-project.org/105039 and I wouldn't know what to do anyway. :-)
(BTW: You did clear the cache before you compiled the changed source code, right? Otherwise a cache hit is expected from the previous experiments, of course. Just checking.) -- Joel On 16 February 2015 at 20:37, Oswald Buddenhagen <oswald.buddenha...@gmx.de> wrote: > this is pretty incredible ... > i can't reproduce it with your testcase, either. > but when i run the actual build with CCACHE_LOGFILE=/dev/stdout, it > totally confirms that the issue is real: > > [2015-02-16T20:25:26.035076 20314] === CCACHE STARTED > ========================================= > [2015-02-16T20:25:26.035222 20314] Command line: /usr/bin/ccache > /usr/bin/g++ -c -pipe -g -Wall -W -D_REENTRANT -fPIE -DQT_NO_MTDEV > -DQT_NO_TSLIB -DQT_NO_LIBINPUT -DQT_NO_XKB -DPROPARSER_DEBUG > -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_TESTLIB_LIB -DQT_CORE_LIB > -DQT_NAMESPACE=TestSpace > -DQT_TESTCASE_BUILDDIR=/home/obuddenh/depot/qt5_build/qtbase/tests/auto/tools/qmakelib > -I/home/obuddenh/depot/qt5/qtbase/tests/auto/tools/qmakelib -I. > -I/home/obuddenh/depot/qt5/qtbase/qmake/library -I../../../../include > -I../../../../include/QtTest -I../../../../include/QtCore -I.moc > -I/home/obuddenh/depot/qt5/qtbase/mkspecs/linux-g++ -o .obj/qmakeparser.o > /home/obuddenh/depot/qt5/qtbase/qmake/library/qmakeparser.cpp > [2015-02-16T20:25:26.035255 20314] Hostname: troll08 > [2015-02-16T20:25:26.035295 20314] Working directory: > /home/obuddenh/depot/qt5_build/qtbase/tests/auto/tools/qmakelib > [2015-02-16T20:25:26.035379 20314] Source file: > /home/obuddenh/depot/qt5/qtbase/qmake/library/qmakeparser.cpp > [2015-02-16T20:25:26.035393 20314] Object file: .obj/qmakeparser.o > [2015-02-16T20:25:26.035412 20314] Trying direct lookup > [2015-02-16T20:25:26.035865 20314] Looking for object file hash in > /home/obuddenh/.ccache/1/8/3571b3286295ea842e4d0e4b5d8614-51629.manifest > [2015-02-16T20:25:26.055382 20314] Got object file hash from manifest > [2015-02-16T20:25:26.055444 20314] Unlink .obj/qmakeparser.o via > .obj/qmakeparser.o.tmp.rm.troll08.20314 > [2015-02-16T20:25:26.055697 20314] Copying > /home/obuddenh/.ccache/6/1/77b6a1a9b40804c3fde51f0bc6c051-1584683.o to > .obj/qmakeparser.o via .obj/qmakeparser.o.troll08.20314.XXXXXX > (uncompressed) > [2015-02-16T20:25:26.056724 20314] Created .obj/qmakeparser.o from > /home/obuddenh/.ccache/6/1/77b6a1a9b40804c3fde51f0bc6c051-1584683.o > [2015-02-16T20:25:26.056755 20314] Succeeded getting cached result > [2015-02-16T20:25:26.056793 20314] Acquired lock > /home/obuddenh/.ccache/6/stats.lock > [2015-02-16T20:25:26.056988 20314] Releasing lock > /home/obuddenh/.ccache/6/stats.lock > [2015-02-16T20:25:26.057008 20314] Unlink > /home/obuddenh/.ccache/6/stats.lock (as-tmp) > [2015-02-16T20:25:26.057033 20314] Result: cache hit (direct) > > to reproduce it, you "only" need: > > qtbase/dev (@1d2efe1f27bedcbaa157ef4e82b8eda33dda46ad). > this pending change: https://codereview.qt-project.org/105039 (PS3) > including dependencies. > this hunk on top: > > --- a/qmake/library/qmakeparser.cpp > +++ b/qmake/library/qmakeparser.cpp > @@ -1340,6 +1374,7 @@ static bool getBlock(const ushort *tokens, int > limit, int &offset, QString *outS > return false; > } > *outStr += fL1S(" << H(") + fL1S(tokNames[maskedTok]); > + *outStr += fL1S(" /* \\u") + QString::number(maskedTok, 16) + > fL1S(" */"); > if (tok & TokNewStr) > *outStr += fL1S(" | TokNewStr"); > if (tok & TokQuoted) > > ... and a lot of time, heh. > > i thought i might have some env variables set (CCACHE_UNIFY), but this > doesn't appear to be the case, either. > > i can try to extract a smaller testcase if you don't beat me to it. > >
