You can easily avoid this bad experience by using different builds environments : one per compiler ! Le sam. 2 juin 2018 à 11:43, René J.V. Bertin <rjvber...@gmail.com> a écrit :
> Hi, > > This happened once too often for me: I apply successive tweaks to a > CMakeCache file, reinvoke make (or ninja) and then at some point lose > everything because I forgot that changing the compiler is a "lethal" > operation. > > Why does cmake have to throw away the entire cache file when something > changes in the compiler path? That seems like a cheap way to implement a > "let's keep track of which cached settings depend on the choice of > compiler". At the least it wouldn't be much less cheap to rename > CMakeCache.txt to CMakeCache.bak instead of deleting it. > > And FWIW, this is also a situation in which storing the exact CMake > invocation in a comment at the top of the cache file could be useful... > > R. > -- > > Powered by www.kitware.com > > Please keep messages on-topic and check the CMake FAQ at: > http://www.cmake.org/Wiki/CMake_FAQ > > Kitware offers various services to support the CMake community. For more > information on each offering, please visit: > > CMake Support: http://cmake.org/cmake/help/support.html > CMake Consulting: http://cmake.org/cmake/help/consulting.html > CMake Training Courses: http://cmake.org/cmake/help/training.html > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Follow this link to subscribe/unsubscribe: > https://cmake.org/mailman/listinfo/cmake >
-- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: https://cmake.org/mailman/listinfo/cmake
