>> like with 5.8-beta, i'm still having issues when linking statically >> against a prebuilt static library of libpng (because libpng depends on >> zlib). compare: https://bugreports.qt.io/browse/QTBUG-56163 >> >> in short, it gives me: >>> ERROR: Feature 'system-png' was enabled, but the pre-condition >>> 'features.png && libs.libpng' failed. > > What is the actual error, listed in config.log?
it is attached to the bug report. (undefined symbols in from zlib) > in 5.8.0-RC, this broke in another way, though: > >> cd gui/ && ( test -e Makefile || >> /Users/tim/dev/qt3rd/build-Qt-5.x-dev-macx-clang-static/qtbase/bin/qmake -o >> Makefile /Users/tim/dev/qt3rd/qtbase/src/gui/gui.pro -qtconf >> /Users/tim/dev/qt3rd/build-Qt-5.x-dev-macx-clang-static/qtbase/bin/qt.conf >> -- -qt-zlib -qt-harfbuzz -no-glib -confirm-license -nomake tests -nomake >> examples -skip qtwebchannel -skip qtscript -system-libpng -I >> /Users/tim/dev/qt3rd/3rdparty-builds/libpng/ -L >> /Users/tim/dev/qt3rd/3rdparty-builds/libpng/lib/osx -system-libjpeg -I >> /Users/tim/dev/qt3rd/3rdparty-builds/libjpeg/ -L >> /Users/tim/dev/qt3rd/3rdparty-builds/libjpeg/lib/osx -system-zlib -I >> /Users/tim/dev/qt3rd/3rdparty-builds/zlib/ -L >> /Users/tim/dev/qt3rd/3rdparty-builds/zlib/lib/osx -commercial >> -debug-and-release -static -prefix /Users/tim/dev/qt3rd/Qt-5.x-dev-macx-cl > ang-static -platform macx-clang ) && > /Applications/Xcode.app/Contents/Developer/usr/bin/make -f Makefile >> Project ERROR: Library 'libpng' is not defined. >> make: *** [sub-gui-make_first] Error 3 > > any idea how i can get qt-5.8 to compile again? this actually seems to be unrelated to my custom static libraries. running a plain ./configure seems to detect (dynamically linked) libpng installed by homebrew. the error is the same, though ... -qt-libpng compiles (though it is not an option for me atm) _______________________________________________ Development mailing list Development@qt-project.org http://lists.qt-project.org/mailman/listinfo/development
