antlr/runtime/Cpp/CMakeLists.txt

132 lines
5.0 KiB
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)
project(LIBANTLR4)
if(CMAKE_VERSION VERSION_EQUAL "3.0.0" OR
CMAKE_VERSION VERSION_GREATER "3.0.0")
CMAKE_POLICY(SET CMP0026 OLD)
CMAKE_POLICY(SET CMP0045 OLD)
CMAKE_POLICY(SET CMP0042 OLD)
CMAKE_POLICY(SET CMP0059 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()
find_package(Java REQUIRED)
file(STRINGS "VERSION" ANTLR_VERSION)
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}: ${ANTLR_JAR_LOCATION}")
endif()
endif()
set(MY_CXX_WARNING_FLAGS " -Wall -pedantic -W")
# Initialize CXXFLAGS.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -std=c++11 ${MY_CXX_WARNING_FLAGS}")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g -std=c++11 ${MY_CXX_WARNING_FLAGS}")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -Os -DNDEBUG -std=c++11 ${MY_CXX_WARNING_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -DNDEBUG -std=c++11 ${MY_CXX_WARNING_FLGAS}")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -O2 -g -std=c++11 ${MY_CXX_WARNING_FLAGS}")
# Compiler-specific C++11 activation.
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
execute_process(
COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
if (NOT (GCC_VERSION VERSION_GREATER 4.7 OR GCC_VERSION VERSION_EQUAL 4.7))
message(FATAL_ERROR "${PROJECT_NAME} requires g++ 4.7 or greater.")
endif ()
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND APPLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND CMAKE_SYSTEM_NAME MATCHES "Linux")
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 ()
else ()
message(FATAL_ERROR "Your C++ compiler does not support C++11.")
endif ()
#==== macro for pch creation
# taken from: https://cmake.org/pipermail/cmake/2006-December/012323.html
MACRO(ADD_PRECOMPILED_HEADER _targetName _input )
GET_FILENAME_COMPONENT(_name ${_input} NAME)
SET(_source "${_input}")
SET(_outdir "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch")
MAKE_DIRECTORY(${_outdir})
SET(_output "${_outdir}/${CMAKE_BUILD_TYPE}.c++")
STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
SET(_compiler_FLAGS ${${_flags_var_name}})
GET_DIRECTORY_PROPERTY(_directory_flags INCLUDE_DIRECTORIES)
FOREACH(item ${_directory_flags})
LIST(APPEND _compiler_FLAGS "-I${item}")
ENDFOREACH(item)
GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS)
LIST(APPEND _compiler_FLAGS ${_directory_flags})
SEPARATE_ARGUMENTS(_compiler_FLAGS)
ADD_CUSTOM_COMMAND(
OUTPUT ${_output}
COMMAND ${CMAKE_CXX_COMPILER}
${_compiler_FLAGS}
-x c++-header
-o ${_output} ${_source}
DEPENDS ${_source} )
ADD_CUSTOM_TARGET(${_targetName}_gch DEPENDS ${_output})
ADD_DEPENDENCIES(${_targetName} ${_targetName}_gch)
#SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include ${_name} -Winvalid-pch -H")
#SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include ${_name} -Winvalid-pch")
GET_TARGET_PROPERTY(old_compile_flags ${_targetName} COMPILE_FLAGS)
IF(old_compile_flags STREQUAL "old_compile_flags-NOTFOUND")
SET(old_compile_flags "-include ${_name} -Winvalid-pch")
ELSE()
SET(old_compile_flags "${old_compile_flags} -include ${_name} -Winvalid-pch")
ENDIF()
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES
COMPILE_FLAGS "${old_compile_flags}"
)
ENDMACRO(ADD_PRECOMPILED_HEADER)
#==== end of macro for pch creation
add_subdirectory(runtime)
if (WITH_DEMO)
add_subdirectory(demo)
endif(WITH_DEMO)
install(FILES License.txt README.md VERSION
DESTINATION "share/doc/libantlr4")