On Tue, Nov 1, 2011 at 11:22 AM, Alexander Neundorf <a.neundorf-w...@gmx.net> wrote: > On Tuesday 01 November 2011, Robert Dailey wrote: >> For some reason the built in variable like MSVC_VERSION and MSVC do not >> have any value unless the project() command is called first. Can someone >> explain why? > > Without checking... > IIRC, the project() call enables by default the C and the CXX languages (if > that hasn't been done before explicitely). > During enabling the languages the compilers are detected, and with them those > variables are set. > So, before that no languages are known to cmake, so these variables are not > set. > > Alex > -- > > 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 >
Alex is right. If you need the value of MSVC *before* calling the project command for some reason, then you can call enable_language(C) (or CXX) instead... -- 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
