cmake_minimum_required(VERSION 3.15) include(CheckSymbolExists) include(CheckIPOSupported) project(ninja) # --- optional link-time optimization check_ipo_supported(RESULT lto_supported OUTPUT error) if(lto_supported) message(STATUS "IPO / LTO enabled") set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE) else() message(STATUS "IPO / LTO not supported: <${error}>") endif() # --- compiler flags if(MSVC) set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$:Debug>") string(REPLACE "/GR" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) add_compile_options(/W4 /wd4100 /wd4267 /wd4706 /wd4702 /wd4244 /GR- /Zc:__cplusplus) add_compile_definitions(_CRT_SECURE_NO_WARNINGS) else() include(CheckCXXCompilerFlag) check_cxx_compiler_flag(-Wno-deprecated flag_no_deprecated) if(flag_no_deprecated) add_compile_options(-Wno-deprecated) endif() check_cxx_compiler_flag(-fdiagnostics-color flag_color_diag) if(flag_color_diag) add_compile_options(-fdiagnostics-color) endif() endif() # --- optional re2c find_program(RE2C re2c) if(RE2C) # the depfile parser and ninja lexers are generated using re2c. function(re2c IN OUT) add_custom_command(DEPENDS ${IN} OUTPUT ${OUT} COMMAND ${RE2C} -b -i --no-generation-date --no-version -o ${OUT} ${IN} ) endfunction() re2c(${PROJECT_SOURCE_DIR}/src/depfile_parser.in.cc ${PROJECT_BINARY_DIR}/depfile_parser.cc) re2c(${PROJECT_SOURCE_DIR}/src/lexer.in.cc ${PROJECT_BINARY_DIR}/lexer.cc) add_library(libninja-re2c OBJECT ${PROJECT_BINARY_DIR}/depfile_parser.cc ${PROJECT_BINARY_DIR}/lexer.cc) else() message(WARNING "re2c was not found; changes to src/*.in.cc will not affect your build.") add_library(libninja-re2c OBJECT src/depfile_parser.cc src/lexer.cc) endif() target_include_directories(libninja-re2c PRIVATE src) # --- Check for 'browse' mode support function(check_platform_supports_browse_mode RESULT) # Make sure the inline.sh script works on this platform. # It uses the shell commands such as 'od', which may not be available. execute_process( COMMAND sh -c "echo 'TEST' | src/inline.sh var" WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} RESULT_VARIABLE inline_result OUTPUT_QUIET ERROR_QUIET ) if(NOT inline_result EQUAL "0") # The inline script failed, so browse mode is not supported. set(${RESULT} "0" PARENT_SCOPE) if(NOT WIN32) message(WARNING "browse feature omitted due to inline script failure") endif() return() endif() # Now check availability of the unistd header check_symbol_exists(fork "unistd.h" HAVE_FORK) check_symbol_exists(pipe "unistd.h" HAVE_PIPE) set(browse_supported 0) if (HAVE_FORK AND HAVE_PIPE) set(browse_supported 1) endif () set(${RESULT} "${browse_supported}" PARENT_SCOPE) if(NOT browse_supported) message(WARNING "browse feature omitted due to missing `fork` and `pipe` functions") endif() endfunction() check_platform_supports_browse_mode(platform_supports_ninja_browse) # Core source files all build into ninja library. add_library(libninja OBJECT src/build_log.cc src/build.cc src/clean.cc src/clparser.cc src/dyndep.cc src/dyndep_parser.cc src/debug_flags.cc src/deps_log.cc src/disk_interface.cc src/edit_distance.cc src/eval_env.cc src/graph.cc src/graphviz.cc src/json.cc src/line_printer.cc src/manifest_parser.cc src/metrics.cc src/missing_deps.cc src/parser.cc src/state.cc src/status.cc src/string_piece_util.cc src/util.cc src/version.cc ) if(WIN32) target_sources(libninja PRIVATE src/subprocess-win32.cc src/includes_normalize-win32.cc src/msvc_helper-win32.cc src/msvc_helper_main-win32.cc src/getopt.c src/minidump-win32.cc ) else() target_sources(libninja PRIVATE src/subprocess-posix.cc) if(CMAKE_SYSTEM_NAME STREQUAL "OS400" OR CMAKE_SYSTEM_NAME STREQUAL "AIX") target_sources(libninja PRIVATE src/getopt.c) endif() # Needed for perfstat_cpu_total if(CMAKE_SYSTEM_NAME STREQUAL "AIX") target_link_libraries(libninja PUBLIC "-lperfstat") endif() endif() #Fixes GetActiveProcessorCount on MinGW if(MINGW) target_compile_definitions(libninja PRIVATE _WIN32_WINNT=0x0601 __USE_MINGW_ANSI_STDIO=1) endif() # On IBM i (identified as "OS400" for compatibility reasons) and AIX, this fixes missing # PRId64 (and others) at compile time in C++ sources if(CMAKE_SYSTEM_NAME STREQUAL "OS400" OR CMAKE_SYSTEM_NAME STREQUAL "AIX") add_compile_definitions(__STDC_FORMAT_MACROS) endif() # Main executable is library plus main() function. add_executable(ninja src/ninja.cc) target_link_libraries(ninja PRIVATE libninja libninja-re2c) if(WIN32) target_sources(ninja PRIVATE windows/ninja.manifest) endif() # Adds browse mode into the ninja binary if it's supported by the host platform. if(platform_supports_ninja_browse) # Inlines src/browse.py into the browse_py.h header, so that it can be included # by src/browse.cc add_custom_command( OUTPUT build/browse_py.h MAIN_DEPENDENCY src/browse.py DEPENDS src/inline.sh COMMAND ${CMAKE_COMMAND} -E make_directory ${PROJECT_BINARY_DIR}/build COMMAND src/inline.sh kBrowsePy < src/browse.py > ${PROJECT_BINARY_DIR}/build/browse_py.h WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} VERBATIM ) target_compile_definitions(ninja PRIVATE NINJA_HAVE_BROWSE) target_sources(ninja PRIVATE src/browse.cc) set_source_files_properties(src/browse.cc PROPERTIES OBJECT_DEPENDS "${PROJECT_BINARY_DIR}/build/browse_py.h" INCLUDE_DIRECTORIES "${PROJECT_BINARY_DIR}" COMPILE_DEFINITIONS NINJA_PYTHON="python" ) endif() include(CTest) if(BUILD_TESTING) # Tests all build into ninja_test executable. add_executable(ninja_test src/build_log_test.cc src/build_test.cc src/clean_test.cc src/clparser_test.cc src/depfile_parser_test.cc src/deps_log_test.cc src/disk_interface_test.cc src/dyndep_parser_test.cc src/edit_distance_test.cc src/graph_test.cc src/json_test.cc src/lexer_test.cc src/manifest_parser_test.cc src/missing_deps_test.cc src/ninja_test.cc src/state_test.cc src/string_piece_util_test.cc src/subprocess_test.cc src/test.cc src/util_test.cc ) if(WIN32) target_sources(ninja_test PRIVATE src/includes_normalize_test.cc src/msvc_helper_test.cc) endif() target_link_libraries(ninja_test PRIVATE libninja libninja-re2c) foreach(perftest build_log_perftest canon_perftest clparser_perftest depfile_parser_perftest hash_collision_bench manifest_parser_perftest ) add_executable(${perftest} src/${perftest}.cc) target_link_libraries(${perftest} PRIVATE libninja libninja-re2c) endforeach() if(CMAKE_SYSTEM_NAME STREQUAL "AIX" AND CMAKE_SIZEOF_VOID_P EQUAL 4) # These tests require more memory than will fit in the standard AIX shared stack/heap (256M) target_link_options(hash_collision_bench PRIVATE "-Wl,-bmaxdata:0x80000000") target_link_options(manifest_parser_perftest PRIVATE "-Wl,-bmaxdata:0x80000000") endif() add_test(NAME NinjaTest COMMAND ninja_test) endif() install(TARGETS ninja)