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CMakeLists.txt
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CMakeLists.txt
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# -*- mode:cmake -*-
cmake_minimum_required (VERSION 2.8)
# 2.8 needed because of ExternalProject
# Detect build type, fallback to release and throw a warning if use didn't specify any
if(NOT CMAKE_BUILD_TYPE)
message(WARNING "Build type not set, falling back to Release mode.
To specify build type use:
-DCMAKE_BUILD_TYPE=<mode> where <mode> is Debug or Release.")
set(CMAKE_BUILD_TYPE "Release" CACHE STRING
"Choose the type of build, options are: Debug Release."
FORCE)
endif(NOT CMAKE_BUILD_TYPE)
if(NOT WITH_DEMO)
message(STATUS "Building without demo. To enable demo build use: -DWITH_DEMO=True")
set(WITH_DEMO False CACHE STRING
"Chose to build with or without demo executable"
FORCE)
endif(NOT WITH_DEMO)
option(WITH_LIBCXX "Building with clang++ and libc++(in Linux). To enable with: -DWITH_LIBCXX=On" On)
option(WITH_STATIC_CRT "(Visual C++) Enable to statically link CRT, which avoids requiring users to install the redistribution package.
To disable with: -DWITH_STATIC_CRT=Off" On)
project(LIBANTLR4)
if(CMAKE_VERSION VERSION_EQUAL "3.0.0" OR
CMAKE_VERSION VERSION_GREATER "3.0.0")
CMAKE_POLICY(SET CMP0026 NEW)
CMAKE_POLICY(SET CMP0054 OLD)
CMAKE_POLICY(SET CMP0045 OLD)
CMAKE_POLICY(SET CMP0042 OLD)
endif()
if(CMAKE_VERSION VERSION_EQUAL "3.3.0" OR
CMAKE_VERSION VERSION_GREATER "3.3.0")
CMAKE_POLICY(SET CMP0059 OLD)
CMAKE_POLICY(SET CMP0054 OLD)
endif()
if(CMAKE_SYSTEM_NAME MATCHES "Linux")
find_package(PkgConfig REQUIRED)
pkg_check_modules(UUID REQUIRED uuid)
endif()
if(APPLE)
find_library(COREFOUNDATION_LIBRARY CoreFoundation)
endif()
file(STRINGS "VERSION" ANTLR_VERSION)
if(WITH_DEMO)
# Java is not necessary if building without demos.
find_package(Java COMPONENTS Runtime REQUIRED)
if(NOT ANTLR_JAR_LOCATION)
message(FATAL_ERROR "Missing antlr4.jar location. You can specify it's path using: -DANTLR_JAR_LOCATION=<path>")
else()
get_filename_component(ANTLR_NAME ${ANTLR_JAR_LOCATION} NAME_WE)
if(NOT EXISTS "${ANTLR_JAR_LOCATION}")
message(FATAL_ERROR "Unable to find ${ANTLR_NAME} in ${ANTLR_JAR_LOCATION}")
else()
message(STATUS "Found ${ANTLR_NAME}: ${ANTLR_JAR_LOCATION}")
endif()
endif()
endif(WITH_DEMO)
if(MSVC_VERSION)
set(MY_CXX_WARNING_FLAGS " /W4")
else()
set(MY_CXX_WARNING_FLAGS " -Wall -pedantic -W")
endif()
# Initialize CXXFLAGS.
if("${CMAKE_VERSION}" VERSION_GREATER 3.1.0)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -std=c++11")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -std=c++11")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -std=c++11")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -std=c++11")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MY_CXX_WARNING_FLAGS}")
if(MSVC_VERSION)
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /Od /Zi /MP ${MY_CXX_WARNING_FLAGS}")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} /O1 /Oi /Ob2 /Gy /MP /DNDEBUG ${MY_CXX_WARNING_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /O2 /Oi /Ob2 /Gy /MP /DNDEBUG ${MY_CXX_WARNING_FLGAS}")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /O2 /Oi /Ob2 /Gy /MP /Zi ${MY_CXX_WARNING_FLAGS}")
else()
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g ${MY_CXX_WARNING_FLAGS}")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -Os -DNDEBUG ${MY_CXX_WARNING_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -DNDEBUG ${MY_CXX_WARNING_FLGAS}")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -O2 -g ${MY_CXX_WARNING_FLAGS}")
endif()
# Compiler-specific C++11 activation.
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU" OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "Intel")
execute_process(
COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
# Just g++-5.0 and greater contain <codecvt> header. (test in ubuntu)
if(NOT (GCC_VERSION VERSION_GREATER 5.0 OR GCC_VERSION VERSION_EQUAL 5.0))
message(FATAL_ERROR "${PROJECT_NAME} requires g++ 5.0 or greater.")
endif ()
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND ANDROID)
# Need -Os cflag and cxxflags here to work with exception handling on armeabi.
# see https://github.com/android-ndk/ndk/issues/573
# and without -stdlib=libc++ cxxflags
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND APPLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND ( CMAKE_SYSTEM_NAME MATCHES "Linux" OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD") )
execute_process(
COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE CLANG_VERSION)
if(NOT (CLANG_VERSION VERSION_GREATER 4.2.1 OR CLANG_VERSION VERSION_EQUAL 4.2.1))
message(FATAL_ERROR "${PROJECT_NAME} requires clang 4.2.1 or greater.")
endif()
# You can use libc++ to compile this project when g++ is NOT greater than or equal to 5.0.
if(WITH_LIBCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
endif()
elseif(MSVC_VERSION GREATER 1800 OR MSVC_VERSION EQUAL 1800)
# Visual Studio 2012+ supports c++11 features
elseif(CMAKE_SYSTEM_NAME MATCHES "Emscripten")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
else()
message(FATAL_ERROR "Your C++ compiler does not support C++11.")
endif()
add_subdirectory(runtime)
if(WITH_DEMO)
add_subdirectory(demo)
endif(WITH_DEMO)
# Generate CMake Package Files only if install is active
if (ANTLR4_INSTALL)
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
if(NOT ANTLR4_CMAKE_DIR)
set(ANTLR4_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake CACHE STRING
"Installation directory for cmake files." FORCE )
endif(NOT ANTLR4_CMAKE_DIR)
set(version_runtime_config ${PROJECT_BINARY_DIR}/antlr4-runtime-config-version.cmake)
set(version_generator_config ${PROJECT_BINARY_DIR}/antlr4-generator-config-version.cmake)
set(project_runtime_config ${PROJECT_BINARY_DIR}/antlr4-runtime-config.cmake)
set(project_generator_config ${PROJECT_BINARY_DIR}/antlr4-generator-config.cmake)
set(targets_export_name antlr4-targets)
set(ANTLR4_LIB_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING
"Installation directory for libraries, relative to ${CMAKE_INSTALL_PREFIX}.")
set(ANTLR4_INCLUDE_DIR ${CMAKE_INSTALL_INCLUDEDIR}/antlr4-runtime CACHE STRING
"Installation directory for include files, relative to ${CMAKE_INSTALL_PREFIX}.")
configure_package_config_file(
cmake/antlr4-runtime.cmake.in
${project_runtime_config}
INSTALL_DESTINATION ${ANTLR4_CMAKE_DIR}/antlr4-runtime
PATH_VARS
ANTLR4_INCLUDE_DIR
ANTLR4_LIB_DIR )
configure_package_config_file(
cmake/antlr4-generator.cmake.in
${project_generator_config}
INSTALL_DESTINATION ${ANTLR4_CMAKE_DIR}/antlr4-generator
PATH_VARS
ANTLR4_INCLUDE_DIR
ANTLR4_LIB_DIR )
write_basic_package_version_file(
${version_runtime_config}
VERSION ${ANTLR_VERSION}
COMPATIBILITY SameMajorVersion )
write_basic_package_version_file(
${version_generator_config}
VERSION ${ANTLR_VERSION}
COMPATIBILITY SameMajorVersion )
install(EXPORT ${targets_export_name}
DESTINATION ${ANTLR4_CMAKE_DIR}/antlr4-runtime )
install(FILES ${project_runtime_config}
${version_runtime_config}
DESTINATION ${ANTLR4_CMAKE_DIR}/antlr4-runtime )
install(FILES ${project_generator_config}
${version_generator_config}
DESTINATION ${ANTLR4_CMAKE_DIR}/antlr4-generator )
endif(ANTLR4_INSTALL)
if(EXISTS LICENSE.txt)
install(FILES LICENSE.txt
DESTINATION "share/doc/libantlr4")
elseif(EXISTS ../../LICENSE.txt)
install(FILES ../../LICENSE.txt
DESTINATION "share/doc/libantlr4")
endif()
install(FILES README.md VERSION
DESTINATION "share/doc/libantlr4")
set(CPACK_PACKAGE_CONTACT "antlr-discussion@googlegroups.com")
set(CPACK_PACKAGE_VERSION ${ANTLR_VERSION})
include(CPack)