CMP0063 was not added until CMake 3.3, so requesting 3.1 as the minimum does not make sense. https://cmake.org/cmake/help/latest/policy/CMP0063.html
On Sat, Jun 18, 2016 at 6:03 AM, Alexander Shukaev <[email protected]> wrote: > On 06/18/2016 12:18 PM, Nils Gladitz wrote: >> >> On 18.06.2016 11:38, Alexander Shukaev wrote: >>> >>> >>> I did try both variants, after and before >>> >>> cmake_minimum_required(VERSION) >>> >>> but the result is the same. The scope is for sure parent to targets. >> >> >> I don't know what else it could be but this works fine for me: >> >> cmake_minimum_required(VERSION 2.8.12) >> >> if(POLICY CMP0063) >> cmake_policy(SET CMP0063 NEW) >> endif() >> >> file(WRITE foo.cpp "int main() {}") >> >> set(CMAKE_CXX_VISIBILITY_PRESET hidden) >> >> add_executable(foo foo.cpp) >> >> >> Is it possible that the scope where the policy warning comes from has >> its own cmake_minimum_required(VERSION) call? (e.g. is there more than >> one?) >> >> Nils >> > > You were right, Nils. I have a CMake library that is pretty huge. When one > does `find_package' for it, then it will `include' all its modules into the > client code. Back when I started it, I didn't know that > `cmake_minimum_required' can reset policies. So there were a couple of > modules that were still calling `cmake_minimum_required' which is clearly a > bad practice. I cleaned it up and it works now. > > However, now the sequence is like this > > xxx.cmake: > > if(POLICY CMP0011) > cmake_policy(SET CMP0011 NEW) > endif() > if(POLICY CMP0063) > cmake_policy(SET CMP0063 NEW) > endif() > > CMakeLists.txt: > > include(xxx) > cmake_minimum_required(VERSION 3.1.0) > > and it still works. Is it because the version is high enough so it does not > reset policies? > > Alexander > -- > > 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: > http://public.kitware.com/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: http://public.kitware.com/mailman/listinfo/cmake
