########################################################################## # Boost Configuration Support # ########################################################################## # Copyright (C) 2007 Douglas Gregor # # Copyright (C) 2007 Troy Straszheim # # # # Distributed under the Boost Software License, Version 1.0. # # See accompanying file LICENSE_1_0.txt or copy at # # http://www.boost.org/LICENSE_1_0.txt # ########################################################################## # This module defines several variables that provide information about # # the target compiler and platform. # # # # Variables defined: # # # # BOOST_TOOLSET: # # The Boost toolset name, used by the library version mechanism to # # encode the compiler and version into the name of the # # library. This toolset name will correspond with Boost.Build # # version 2's toolset name, including version number. # # # # MULTI_THREADED_COMPILE_FLAGS: # # Compilation flags when building multi-threaded programs. # # # # MULTI_THREADED_LINK_FLAGS: # # Linker flags when building multi-threaded programs. # ########################################################################## include(CheckCXXSourceCompiles) # # Python interpreter # include(FindPythonInterp) message(STATUS "found python executable ${PYTHON_EXECUTABLE}") include(FindPythonLibs) message(STATUS "found python includes ${PYTHON_INCLUDE_PATH}") message(STATUS "found python libs ${PYTHON_LIBRARIES}") # Toolset detection. if (NOT BOOST_TOOLSET) set(BOOST_TOOLSET "unknown") if (MSVC60) set(BOOST_TOOLSET "vc6") elseif(MSVC70) set(BOOST_TOOLSET "vc7") elseif(MSVC71) set(BOOST_TOOLSET "vc71") elseif(MSVC80) set(BOOST_TOOLSET "vc80") elseif(MSVC90) set(BOOST_TOOLSET "vc90") elseif(MSVC) set(BOOST_TOOLSET "vc") elseif(BORLAND) set(BOOST_TOOLSET "bcb") elseif(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) # Execute GCC with the -dumpversion option, to give us a version string execute_process( COMMAND ${CMAKE_CXX_COMPILER} "-dumpversion" OUTPUT_VARIABLE GCC_VERSION_STRING) # Match only the major and minor versions of the version string string(REGEX MATCH "[0-9]+.[0-9]+" GCC_MAJOR_MINOR_VERSION_STRING "${GCC_VERSION_STRING}") # Strip out the period between the major and minor versions string(REGEX REPLACE "\\." "" BOOST_VERSIONING_GCC_VERSION "${GCC_MAJOR_MINOR_VERSION_STRING}") # Set the GCC versioning toolset set(BOOST_TOOLSET "gcc${BOOST_VERSIONING_GCC_VERSION}") endif(MSVC60) endif (NOT BOOST_TOOLSET) # Multi-threading support if(CMAKE_SYSTEM_NAME STREQUAL "SunOS") set(MULTI_THREADED_COMPILE_FLAGS "-pthreads") set(MULTI_THREADED_LINK_LIBS rt) elseif(CMAKE_SYSTEM_NAME STREQUAL "BeOS") # No threading options necessary for BeOS elseif(CMAKE_SYSTEM_NAME MATCHES ".*BSD") set(MULTI_THREADED_COMPILE_FLAGS "-pthread") set(MULTI_THREADED_LINK_LIBS pthread) elseif(CMAKE_SYSTEM_NAME STREQUAL "DragonFly") # DragonFly is FreeBSD bariant set(MULTI_THREADED_COMPILE_FLAGS "-pthread") elseif(CMAKE_SYSTEM_NAME STREQUAL "IRIX") # TODO: GCC on Irix doesn't support multi-threading? elseif(CMAKE_SYSTEM_NAME STREQUAL "HP-UX") # TODO: gcc on HP-UX does not support multi-threading? elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin") # No threading options necessary for Mac OS X elseif(UNIX) # Assume -pthread and -lrt on all other variants set(MULTI_THREADED_COMPILE_FLAGS "-pthread -D_REENTRANT") set(MULTI_THREADED_LINK_FLAGS "") set(MULTI_THREADED_LINK_LIBS pthread rt) endif(CMAKE_SYSTEM_NAME STREQUAL "SunOS") # Setup DEBUG_COMPILE_FLAGS, RELEASE_COMPILE_FLAGS, DEBUG_LINK_FLAGS and # and RELEASE_LINK_FLAGS based on the CMake equivalents if(CMAKE_CXX_FLAGS_DEBUG) if(MSVC) # Eliminate the /MDd flag; we'll add it back when we need it string(REPLACE "/MDd" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}") endif(MSVC) set(DEBUG_COMPILE_FLAGS "${CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING "Compilation flags for debug libraries") endif(CMAKE_CXX_FLAGS_DEBUG) if(CMAKE_CXX_FLAGS_RELEASE) if(MSVC) # Eliminate the /MD flag; we'll add it back when we need it string(REPLACE "/MD" "" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}") endif(MSVC) set(RELEASE_COMPILE_FLAGS "${CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "Compilation flags for release libraries") endif(CMAKE_CXX_FLAGS_RELEASE) if(CMAKE_SHARED_LINKER_FLAGS_DEBUG) set(DEBUG_LINK_FLAGS "${CMAKE_SHARED_LINKER_FLAGS_DEBUG}" CACHE STRING "Linker flags for debug libraries") endif(CMAKE_SHARED_LINKER_FLAGS_DEBUG) if(CMAKE_SHARED_LINKER_FLAGS_RELEASE) set(RELEASE_LINK_FLAGS "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}" CACHE STRING "Link flags for release libraries") endif(CMAKE_SHARED_LINKER_FLAGS_RELEASE) # Set DEBUG_EXE_LINK_FLAGS, RELEASE_EXE_LINK_FLAGS if (CMAKE_EXE_LINKER_FLAGS_DEBUG) set(DEBUG_EXE_LINK_FLAGS "${CMAKE_EXE_LINKER_FLAGS_DEBUG}") endif (CMAKE_EXE_LINKER_FLAGS_DEBUG) if (CMAKE_EXE_LINKER_FLAGS_RELEASE) set(RELEASE_EXE_LINK_FLAGS "${CMAKE_EXE_LINKER_FLAGS_RELEASE}") endif (CMAKE_EXE_LINKER_FLAGS_RELEASE) # Tweak the configuration and build types appropriately. if(CMAKE_CONFIGURATION_TYPES) # Limit CMAKE_CONFIGURATION_TYPES to Debug and Release set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Semicolon-separate list of supported configuration types" FORCE) else(CMAKE_CONFIGURATION_TYPES) # Build in release mode by default if (NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build, options are Release or Debug" FORCE) endif (NOT CMAKE_BUILD_TYPE) endif(CMAKE_CONFIGURATION_TYPES) # Clear out the built-in C++ compiler and link flags for each of the # configurations. set(CMAKE_CXX_FLAGS_DEBUG "" CACHE INTERNAL "Unused by Boost") set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "" CACHE INTERNAL "Unused by Boost") set(CMAKE_MODULE_LINKER_FLAGS_DEBUG "" CACHE INTERNAL "Unused by Boost") set(CMAKE_EXE_LINKER_FLAGS_DEBUG "" CACHE INTERNAL "Unused by Boost") set(CMAKE_CXX_FLAGS_RELEASE "" CACHE INTERNAL "Unused by Boost") set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "" CACHE INTERNAL "Unused by Boost") set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "" CACHE INTERNAL "Unused by Boost") set(CMAKE_EXE_LINKER_FLAGS_RELEASE "" CACHE INTERNAL "Unused by Boost") set(CMAKE_CXX_FLAGS_MINSIZEREL "" CACHE INTERNAL "Unused by Boost") set(CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL "" CACHE INTERNAL "Unused by Boost") set(CMAKE_MODULE_LINKER_FLAGS_MINSIZEREL "" CACHE INTERNAL "Unused by Boost") set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "" CACHE INTERNAL "Unused by Boost") set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "" CACHE INTERNAL "Unused by Boost") set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "" CACHE INTERNAL "Unused by Boost") set(CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO "" CACHE INTERNAL "Unused by Boost") set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "" CACHE INTERNAL "Unused by Boost")