include(RunCMake) # Detect ninja version so we know what tests can be supported. execute_process( COMMAND "${RunCMake_MAKE_PROGRAM}" --version OUTPUT_VARIABLE ninja_out ERROR_VARIABLE ninja_out RESULT_VARIABLE ninja_res OUTPUT_STRIP_TRAILING_WHITESPACE ) if(ninja_res EQUAL 0 AND "x${ninja_out}" MATCHES "^x[0-9]+\\.[0-9]+") set(ninja_version "${ninja_out}") message(STATUS "ninja version: ${ninja_version}") else() message(FATAL_ERROR "'ninja --version' reported:\n${ninja_out}") endif() function(run_CMP0058 case) # Use a single build tree for a few tests without cleaning. set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/CMP0058-${case}-build) set(RunCMake_TEST_NO_CLEAN 1) file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}") file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}") run_cmake(CMP0058-${case}) run_cmake_command(CMP0058-${case}-build ${CMAKE_COMMAND} --build .) endfunction() run_CMP0058(OLD-no) run_CMP0058(OLD-by) run_CMP0058(WARN-no) run_CMP0058(WARN-by) run_CMP0058(NEW-no) run_CMP0058(NEW-by) function(run_SubDir) # Use a single build tree for a few tests without cleaning. set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/SubDir-build) set(RunCMake_TEST_NO_CLEAN 1) file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}") file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}") run_cmake(SubDir) if(WIN32) set(SubDir_all [[SubDir\all]]) else() set(SubDir_all [[SubDir/all]]) endif() run_cmake_command(SubDir-build ${CMAKE_COMMAND} --build . --target ${SubDir_all}) endfunction() run_SubDir() function(run_ninja dir) execute_process( COMMAND "${RunCMake_MAKE_PROGRAM}" WORKING_DIRECTORY "${dir}" OUTPUT_VARIABLE ninja_stdout ERROR_VARIABLE ninja_stderr RESULT_VARIABLE ninja_result ) if(NOT ninja_result EQUAL 0) message(STATUS " ============ beginning of ninja's stdout ============ ${ninja_stdout} =============== end of ninja's stdout =============== ") message(STATUS " ============ beginning of ninja's stderr ============ ${ninja_stderr} =============== end of ninja's stderr =============== ") message(FATAL_ERROR "top ninja build failed exited with status ${ninja_result}") endif() endfunction(run_ninja) function(sleep delay) execute_process( COMMAND ${CMAKE_COMMAND} -E sleep ${delay} RESULT_VARIABLE result ) if(NOT result EQUAL 0) message(FATAL_ERROR "failed to sleep for ${delay} second.") endif() endfunction(sleep) function(touch path) execute_process( COMMAND ${CMAKE_COMMAND} -E touch ${path} RESULT_VARIABLE result ) if(NOT result EQUAL 0) message(FATAL_ERROR "failed to touch main ${path} file.") endif() endfunction(touch) macro(ninja_escape_path path out) string(REPLACE "\$ " "\$\$" "${out}" "${path}") string(REPLACE " " "\$ " "${out}" "${${out}}") string(REPLACE ":" "\$:" "${out}" "${${out}}") endmacro(ninja_escape_path) macro(shell_escape string out) string(REPLACE "\"" "\\\"" "${out}" "${string}") endmacro(shell_escape) function(run_sub_cmake test ninja_output_path_prefix) set(top_build_dir "${RunCMake_BINARY_DIR}/${test}-build/") file(REMOVE_RECURSE "${top_build_dir}") file(MAKE_DIRECTORY "${top_build_dir}") ninja_escape_path("${ninja_output_path_prefix}" escaped_ninja_output_path_prefix) # Generate top build ninja file. set(top_build_ninja "${top_build_dir}/build.ninja") shell_escape("${top_build_ninja}" escaped_top_build_ninja) set(build_ninja_dep "${top_build_dir}/build_ninja_dep") ninja_escape_path("${build_ninja_dep}" escaped_build_ninja_dep) shell_escape("${CMAKE_COMMAND}" escaped_CMAKE_COMMAND) file(WRITE "${build_ninja_dep}" "fake dependency of top build.ninja file\n") if(WIN32) set(cmd_prefix "cmd.exe /C \"") set(cmd_suffix "\"") else() set(cmd_prefix "") set(cmd_suffix "") endif() file(WRITE "${top_build_ninja}" "\ subninja ${escaped_ninja_output_path_prefix}/build.ninja default ${escaped_ninja_output_path_prefix}/all # Sleep for 1 second before to regenerate to make sure the timestamp of # the top build.ninja will be strictly greater than the timestamp of the # sub/build.ninja file. We assume the system as 1 sec timestamp resolution. rule RERUN command = ${cmd_prefix}\"${escaped_CMAKE_COMMAND}\" -E sleep 1 && \"${escaped_CMAKE_COMMAND}\" -E touch \"${escaped_top_build_ninja}\"${cmd_suffix} description = Testing regeneration generator = 1 build build.ninja: RERUN ${escaped_build_ninja_dep} || ${escaped_ninja_output_path_prefix}/build.ninja pool = console ") # Run sub cmake project. set(RunCMake_TEST_OPTIONS "-DCMAKE_NINJA_OUTPUT_PATH_PREFIX=${ninja_output_path_prefix}") set(RunCMake_TEST_BINARY_DIR "${top_build_dir}/${ninja_output_path_prefix}") run_cmake(${test}) # Check there is no 'default' statement in Ninja file generated by CMake. set(sub_build_ninja "${RunCMake_TEST_BINARY_DIR}/build.ninja") file(READ "${sub_build_ninja}" sub_build_ninja_file) if(sub_build_ninja_file MATCHES "\ndefault [^\n][^\n]*all\n") message(FATAL_ERROR "unexpected 'default' statement found in '${sub_build_ninja}'") endif() # Run ninja from the top build directory. run_ninja("${top_build_dir}") # Test regeneration rules run in order. set(main_cmakelists "${RunCMake_SOURCE_DIR}/CMakeLists.txt") sleep(1) # Assume the system as 1 sec timestamp resolution. touch("${main_cmakelists}") touch("${build_ninja_dep}") run_ninja("${top_build_dir}") file(TIMESTAMP "${main_cmakelists}" mtime_main_cmakelists UTC) file(TIMESTAMP "${sub_build_ninja}" mtime_sub_build_ninja UTC) file(TIMESTAMP "${top_build_ninja}" mtime_top_build_ninja UTC) # Check sub build.ninja is regenerated. if(mtime_main_cmakelists STRGREATER mtime_sub_build_ninja) message(FATAL_ERROR "sub build.ninja not regenerated: CMakeLists.txt = ${mtime_main_cmakelists} sub/build.ninja = ${mtime_sub_build_ninja}") endif() # Check top build.ninja is regenerated after sub build.ninja. if(NOT mtime_top_build_ninja STRGREATER mtime_sub_build_ninja) message(FATAL_ERROR "top build.ninja not regenerated strictly after sub build.ninja: sub/build.ninja = ${mtime_sub_build_ninja} build.ninja = ${mtime_top_build_ninja}") endif() endfunction(run_sub_cmake) if("${ninja_version}" VERSION_LESS 1.6) message(WARNING "Ninja is too old; skipping rest of test.") return() endif() foreach(ninja_output_path_prefix "sub space" "sub") run_sub_cmake(Executable "${ninja_output_path_prefix}") run_sub_cmake(StaticLib "${ninja_output_path_prefix}") run_sub_cmake(SharedLib "${ninja_output_path_prefix}") run_sub_cmake(TwoLibs "${ninja_output_path_prefix}") run_sub_cmake(SubDirPrefix "${ninja_output_path_prefix}") run_sub_cmake(CustomCommandWorkingDirectory "${ninja_output_path_prefix}") endforeach(ninja_output_path_prefix)