cmake_minimum_required (VERSION 3.5) cmake_policy(SET CMP0031 OLD) # testing the old behavior project(LoadCommand) # set a definition set (TEST_COMMAND_TEST1 1) include (${CMAKE_ROOT}/Modules/CheckTypeSize.cmake) CHECK_TYPE_SIZE(char SIZEOF_CHAR) CHECK_TYPE_SIZE(short SIZEOF_SHORT) include (${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake) CHECK_INCLUDE_FILE("sys/prctl.h" HAVE_SYS_PRCTL_H) include (${CMAKE_ROOT}/Modules/CheckLibraryExists.cmake) CHECK_LIBRARY_EXISTS(m ceil "" HAVE_LIBM) configure_file(${LoadCommand_SOURCE_DIR}/LoadedCommand.h.in ${LoadCommand_BINARY_DIR}/LoadedCommand.h) include_directories(${LoadCommand_BINARY_DIR}) # try to compile the command # make sure it is not already loaded if(COMMAND CMAKE_TEST_COMMAND) else() try_compile(COMPILE_OK ${LoadCommand_BINARY_DIR}/CMakeCommands ${LoadCommand_SOURCE_DIR}/CMakeCommands CMAKE_LOADED_COMMANDS CMAKE_FLAGS -DMUDSLIDE_TYPE:STRING=MUCHO OUTPUT_VARIABLE OUTPUT ) endif() message("Output from try compile: ${OUTPUT}") # if the compile was OK, try loading the command if (COMPILE_OK) load_command(CMAKE_TEST_COMMAND ${LoadCommand_BINARY_DIR}/CMakeCommands ${LoadCommand_BINARY_DIR}/CMakeCommands/Debug ${LoadCommand_BINARY_DIR}/CMakeCommands/Development ) # if the command loaded, execute the command if (COMMAND CMAKE_TEST_COMMAND) CMAKE_TEST_COMMAND( "${LoadCommand_SOURCE_DIR}/LoadedCommand.cxx.in" "${LoadCommand_BINARY_DIR}/LoadedCommand2.cxx.in" "${LoadCommand_BINARY_DIR}/LoadedCommand3.cxx" ) endif () else () message("failed to compile CMAKE_LOADED_COMMANDS") endif () # TEST_DEF is set by the loaded command cmTestCommand.c if (TEST_DEF AND SOME_CACHE_VARIABLE AND TEST_EXEC) add_definitions(-DCMAKE_IS_FUN) endif ()