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cmake_minimum_required(VERSION 3.15)
include(CheckIncludeFileCXX)
project(ninja)
# --- optional link-time optimization
if(CMAKE_BUILD_TYPE MATCHES "Release")
include(CheckIPOSupported)
check_ipo_supported(RESULT lto_supported OUTPUT error)
if(lto_supported)
message(STATUS "IPO / LTO enabled")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
else()
message(STATUS "IPO / LTO not supported: <${error}>")
endif()
endif()
# --- compiler flags
if(MSVC)
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
string(APPEND CMAKE_CXX_FLAGS " /W4 /GR- /Zc:__cplusplus")
else()
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag(-Wno-deprecated flag_no_deprecated)
if(flag_no_deprecated)
string(APPEND CMAKE_CXX_FLAGS " -Wno-deprecated")
endif()
check_cxx_compiler_flag(-fdiagnostics-color flag_color_diag)
if(flag_color_diag)
string(APPEND CMAKE_CXX_FLAGS " -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 -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 ${CMAKE_SOURCE_DIR}
RESULT_VARIABLE inline_result
OUTPUT_QUIET
ERROR_QUIET
)
if(NOT inline_result EQUAL "0")
# The inline script failed, so browse mode is not supported.
set(${RESULT} "0" PARENT_SCOPE)
return()
endif()
# Now check availability of the unistd header
check_include_file_cxx(unistd.h PLATFORM_HAS_UNISTD_HEADER)
set(${RESULT} "${PLATFORM_HAS_UNISTD_HEADER}" PARENT_SCOPE)
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/line_printer.cc
src/manifest_parser.cc
src/metrics.cc
src/parser.cc
src/state.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
)
if(MSVC)
target_sources(libninja PRIVATE src/minidump-win32.cc)
endif()
else()
target_sources(libninja PRIVATE src/subprocess-posix.cc)
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), this fixes missing
# PRId64 (and others) at compile time, and links to libutil for getopt_long
if(CMAKE_SYSTEM_NAME STREQUAL "OS400")
string(APPEND CMAKE_CXX_FLAGS " -D__STDC_FORMAT_MACROS")
string(APPEND CMAKE_EXE_LINKER_FLAGS " -lutil")
endif()
# Main executable is library plus main() function.
add_executable(ninja src/ninja.cc)
target_link_libraries(ninja PRIVATE libninja libninja-re2c)
# 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 -E make_directory ${CMAKE_BINARY_DIR}/build
COMMAND src/inline.sh kBrowsePy
< src/browse.py
> ${CMAKE_BINARY_DIR}/build/browse_py.h
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
VERBATIM
)
target_compile_definitions(ninja PRIVATE NINJA_HAVE_BROWSE)
target_sources(ninja PRIVATE src/browse.cc)
set_source_files_properties(src/browse.cc
PROPERTIES
OBJECT_DEPENDS "${CMAKE_BINARY_DIR}/build/browse_py.h"
INCLUDE_DIRECTORIES "${CMAKE_BINARY_DIR}"
COMPILE_DEFINITIONS NINJA_PYTHON="python"
)
endif()
include(CTest)
if(BUILD_TESTING)
# Tests all build into ninja_test executable.
add_executable(ninja_test
src/build_log_test.cc
src/build_test.cc
src/clean_test.cc
src/clparser_test.cc
src/depfile_parser_test.cc
src/deps_log_test.cc
src/disk_interface_test.cc
src/dyndep_parser_test.cc
src/edit_distance_test.cc
src/graph_test.cc
src/lexer_test.cc
src/manifest_parser_test.cc
src/ninja_test.cc
src/state_test.cc
src/string_piece_util_test.cc
src/subprocess_test.cc
src/test.cc
src/util_test.cc
)
if(WIN32)
target_sources(ninja_test PRIVATE src/includes_normalize_test.cc src/msvc_helper_test.cc)
endif()
target_link_libraries(ninja_test PRIVATE libninja libninja-re2c)
foreach(perftest
build_log_perftest
canon_perftest
clparser_perftest
depfile_parser_perftest
hash_collision_bench
manifest_parser_perftest
)
add_executable(${perftest} src/${perftest}.cc)
target_link_libraries(${perftest} PRIVATE libninja libninja-re2c)
endforeach()
add_test(NinjaTest ninja_test)
endif()
install(TARGETS ninja DESTINATION bin)
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