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cmake_minimum_required(VERSION 3.15)
include(CheckSymbolExists)
include(CheckIPOSupported)
option(NINJA_BUILD_BINARY "Build ninja binary" ON)
option(NINJA_FORCE_PSELECT "Use pselect() even on platforms that provide ppoll()" OFF)
project(ninja CXX)
# --- 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: <${error}>")
endif()
# --- compiler flags
if(MSVC)
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
string(REPLACE "/GR" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
# Note that these settings are separately specified in configure.py, and
# these lists should be kept in sync.
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()
if(NOT NINJA_FORCE_PSELECT)
# Check whether ppoll() is usable on the target platform.
# Set -DUSE_PPOLL=1 if this is the case.
#
# NOTE: Use check_cxx_symbol_exists() instead of check_symbol_exists()
# because on Linux, <poll.h> only exposes the symbol when _GNU_SOURCE
# is defined.
#
# Both g++ and clang++ define the symbol by default, because the C++
# standard library headers require it, but *not* gcc and clang, which
# are used by check_symbol_exists().
include(CheckCXXSymbolExists)
check_cxx_symbol_exists(ppoll poll.h HAVE_PPOLL)
if(HAVE_PPOLL)
add_compile_definitions(USE_PPOLL=1)
endif()
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()
set(NINJA_PYTHON "python" CACHE STRING "Python interpreter to use for the browse tool")
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
)
# Build getopt.c, which can be compiled as either C or C++, as C++
# so that build environments which lack a C compiler, but have a C++
# compiler may build ninja.
set_source_files_properties(src/getopt.c PROPERTIES LANGUAGE CXX)
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)
# Build getopt.c, which can be compiled as either C or C++, as C++
# so that build environments which lack a C compiler, but have a C++
# compiler may build ninja.
set_source_files_properties(src/getopt.c PROPERTIES LANGUAGE CXX)
endif()
# Needed for perfstat_cpu_total
if(CMAKE_SYSTEM_NAME STREQUAL "AIX")
target_link_libraries(libninja PUBLIC "-lperfstat")
endif()
endif()
target_compile_features(libninja PUBLIC cxx_std_11)
#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.
if(NINJA_BUILD_BINARY)
add_executable(ninja src/ninja.cc)
target_link_libraries(ninja PRIVATE libninja libninja-re2c)
if(WIN32)
target_sources(ninja PRIVATE windows/ninja.manifest)
endif()
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 ${PROJECT_SOURCE_DIR}
VERBATIM
)
if(NINJA_BUILD_BINARY)
target_compile_definitions(ninja PRIVATE NINJA_HAVE_BROWSE)
target_sources(ninja PRIVATE src/browse.cc)
endif()
set_source_files_properties(src/browse.cc
PROPERTIES
OBJECT_DEPENDS "${PROJECT_BINARY_DIR}/build/browse_py.h"
INCLUDE_DIRECTORIES "${PROJECT_BINARY_DIR}"
COMPILE_DEFINITIONS NINJA_PYTHON="${NINJA_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()
if(NINJA_BUILD_BINARY)
install(TARGETS ninja)
endif()
|
