On Tue, 2011-11-22 at 11:46 +0100, Karel Zak wrote: > > Yes, typical problem is (usually) completely broken .pc (pkg-config) > file. My experience is that developers don't have a clue about > 'Requires.private' pkg-config field and they add all libraries to > 'Requires' or 'Libs', so then binaries are linked with many > unnecessary libraries (possible workaround is --as-needed ld(1) > option). > > man pkg-config: > In the situation where each .pc file corresponds to a library, > Requires.private shall be used exclusively to specify the > dependencies between the libraries. You have to be careful when you read documentation as well. That 'shall' sentence is a bit of a propaganda piece. In reality, things are not as black-and-white. > $ pkg-config --libs gtk+-3.0 > -pthread -lgtk-3 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangoft2-1.0 > -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lpng12 -lm -lcairo-gobject -lcairo > -lpango-1.0 -lfreetype -lfontconfig -lgobject-2.0 -lgmodule-2.0 > -lgthread-2.0 -lrt -lglib-2.0 > > ... I don't believe that gtk ABI contains symbols from all this > libraries :-) Well, the pkg-config output effectively states that they are. And changing it now will cause breakage. We already experienced that when I removed the -lpng12 and -lm from the gdk-pixbuf pc file. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
