Okie, seems cmake_parse_arguments does not like option with optional value, so REUSE needs always parameter. Now on HEAD:
target_precompiled_header(app lib1 lib2 src/prefix.h REUSE app) Which is equal to: target_precompiled_header(app src/prefix.h) target_precompiled_header(lib1 src/prefix.h REUSE app) target_precompiled_header(lib2 src/prefix.h REUSE app) -- Adam -- 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-developers