On Sun, Oct 31, 2010 at 10:42 AM, Benjamin King <benjamink...@web.de> wrote: > Hi Andreas! > >>> Our build is taking ages (almost a three hours on the fastest of our >>> servers) and it would be really painful if everybody needed to rebuild >>> everything for himself in the morning. >> >> 3 hours sounds quite excessively long. > > Yepp, that's too long, really. Thanks for your suggestions on cutting that > down. We have tried a lot of them already, but there simply is no > short-term solution to make the separation of the modules clearer. Always > working on adding features, never time to refactor, meta template > programming all over the place. Same old, same old... > > Our windows release build and packaging takes almost 8 hours (on a virtual > machine), which makes a quick fix of a bug reported by our test team > effectively impossible. > > Using parallel compilation on multiple cores and/or machines would make > things easier for us. With linux, we are using distcc and make -jX. The > trouble with that is, that the Makefiles generated by qmake don't deal well > with generated code which we also use a lot. You have to restart make a few > times to keep things going, which is not practical for an automated build > and package script. > > Windows and nmake don't offer any feasible way to parallelize, so we are > stuck there.
If you haven't already, you might want to take a lot at JOM, which is essentially parallel nmake: http://qt.gitorious.org/qt-labs/jom. JOM is supported by CMake. > > Maybe cmakes VS-Project output could improve the latter and cmake custom > command the former. > >>> According to the FAQ, CMake does not support copying build trees around. >> >> Yep, and I'd think that that's a pretty hard condition. >> One really shouldn't try to bend things to work with specific build tree >> data on multiple machines I'd think. That's just not the way that CMake >> is supposed to be used. > > Understood, but we do not copy the tree to different machines, just from > /home/nightly to /home/developer1, /home/developer2 etc on the same machine. > > Anyway, thanks for your impression on the situation! > > Cheers, > Benjamin > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the CMake FAQ at: > http://www.cmake.org/Wiki/CMake_FAQ > > Follow this link to subscribe/unsubscribe: > http://www.cmake.org/mailman/listinfo/cmake > _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Follow this link to subscribe/unsubscribe: http://www.cmake.org/mailman/listinfo/cmake
