project(Eigen) cmake_minimum_required(VERSION 2.6.2) # automatically parse the version number file(READ "${CMAKE_SOURCE_DIR}/Eigen/src/Core/util/Macros.h" _eigen2_version_header) string(REGEX MATCH "define[ \t]+EIGEN_WORLD_VERSION[ \t]+([0-9]+)" _eigen2_world_version_match "${_eigen2_version_header}") set(EIGEN2_WORLD_VERSION "${CMAKE_MATCH_1}") string(REGEX MATCH "define[ \t]+EIGEN_MAJOR_VERSION[ \t]+([0-9]+)" _eigen2_major_version_match "${_eigen2_version_header}") set(EIGEN2_MAJOR_VERSION "${CMAKE_MATCH_1}") string(REGEX MATCH "define[ \t]+EIGEN_MINOR_VERSION[ \t]+([0-9]+)" _eigen2_minor_version_match "${_eigen2_version_header}") set(EIGEN2_MINOR_VERSION "${CMAKE_MATCH_1}") set(EIGEN_VERSION_NUMBER ${EIGEN2_WORLD_VERSION}.${EIGEN2_MAJOR_VERSION}.${EIGEN2_MINOR_VERSION}) # if the mercurial program is absent, this will leave the EIGEN_HG_CHANGESET string empty, # but won't stop CMake. execute_process(COMMAND hg tip -R ${CMAKE_SOURCE_DIR} OUTPUT_VARIABLE EIGEN_HGTIP_OUTPUT) execute_process(COMMAND hg branch -R ${CMAKE_SOURCE_DIR} OUTPUT_VARIABLE EIGEN_BRANCH_OUTPUT) # if this is the default (aka development) branch, extract the mercurial changeset number from the hg tip output... if(EIGEN_BRANCH_OUTPUT MATCHES "default") string(REGEX MATCH "^changeset: *[0-9]*:([0-9;a-f]+).*" EIGEN_HG_CHANGESET_MATCH "${EIGEN_HGTIP_OUTPUT}") set(EIGEN_HG_CHANGESET "${CMAKE_MATCH_1}") endif(EIGEN_BRANCH_OUTPUT MATCHES "default") #...and show it next to the version number if(EIGEN_HG_CHANGESET) set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER} (mercurial changeset ${EIGEN_HG_CHANGESET})") else(EIGEN_HG_CHANGESET) set(EIGEN_VERSION "${EIGEN_VERSION_NUMBER}") endif(EIGEN_HG_CHANGESET) include(CheckCXXCompilerFlag) set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake) option(EIGEN_BUILD_BTL "Build benchmark suite" OFF) if(NOT WIN32) option(EIGEN_BUILD_PKGCONFIG "Build pkg-config .pc file for Eigen" ON) endif(NOT WIN32) set(CMAKE_INCLUDE_CURRENT_DIR ON) string(TOLOWER "${CMAKE_BUILD_TYPE}" cmake_build_type_tolower) if(cmake_build_type_tolower STREQUAL "debug") set(CMAKE_BUILD_TYPE "Debug") else() set(CMAKE_BUILD_TYPE "Release") endif() if(CMAKE_COMPILER_IS_GNUCXX) if(CMAKE_SYSTEM_NAME MATCHES Linux) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -fexceptions -fno-check-new -fno-common -fstrict-aliasing") set(CMAKE_CXX_FLAGS_DEBUG "-g3") set(CMAKE_CXX_FLAGS_RELEASE "-g0 -O2") check_cxx_compiler_flag("-Wextra" COMPILER_SUPPORT_WEXTRA) if(COMPILER_SUPPORT_WEXTRA) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra") endif() if(NOT EIGEN_TEST_LIB) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic") endif(NOT EIGEN_TEST_LIB) option(EIGEN_TEST_SSE2 "Enable/Disable SSE2 in tests/examples" OFF) if(EIGEN_TEST_SSE2) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2") message("Enabling SSE2 in tests/examples") endif(EIGEN_TEST_SSE2) option(EIGEN_TEST_SSE3 "Enable/Disable SSE3 in tests/examples" OFF) if(EIGEN_TEST_SSE3) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse3") message("Enabling SSE3 in tests/examples") endif(EIGEN_TEST_SSE3) option(EIGEN_TEST_SSSE3 "Enable/Disable SSSE3 in tests/examples" OFF) if(EIGEN_TEST_SSSE3) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mssse3") message("Enabling SSSE3 in tests/examples") endif(EIGEN_TEST_SSSE3) option(EIGEN_TEST_ALTIVEC "Enable/Disable altivec in tests/examples" OFF) if(EIGEN_TEST_ALTIVEC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maltivec -mabi=altivec") message("Enabling AltiVec in tests/examples") endif(EIGEN_TEST_ALTIVEC) endif(CMAKE_SYSTEM_NAME MATCHES Linux) endif(CMAKE_COMPILER_IS_GNUCXX) if(MSVC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc") option(EIGEN_TEST_SSE2 "Enable/Disable SSE2 in tests/examples" OFF) if(EIGEN_TEST_SSE2) if(NOT CMAKE_CL_64) # arch is not supported on 64 bit systems, SSE is enabled automatically. set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:SSE2") endif(NOT CMAKE_CL_64) message("Enabling SSE2 in tests/examples") endif(EIGEN_TEST_SSE2) endif(MSVC) option(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION "Disable explicit vectorization in tests/examples" OFF) if(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION) add_definitions(-DEIGEN_DONT_VECTORIZE=1) message("Disabling vectorization in tests/examples") endif(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION) option(EIGEN_TEST_C++0x "Enables all C++0x features." OFF) option(EIGEN_TEST_RVALUE_REF_SUPPORT "Enable rvalue references for unit tests." OFF) include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}) set(INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/include/eigen2" CACHE PATH "The directory where we install the header files" ) if(EIGEN_BUILD_PKGCONFIG) configure_file(eigen2.pc.in eigen2.pc) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/eigen2.pc DESTINATION share/pkgconfig ) endif(EIGEN_BUILD_PKGCONFIG) add_subdirectory(Eigen) add_subdirectory(doc EXCLUDE_FROM_ALL) include(CTest) enable_testing() # must be called from the root CMakeLists, see man page if(EIGEN_LEAVE_TEST_IN_ALL_TARGET) add_subdirectory(test) # can't do EXCLUDE_FROM_ALL here, breaks CTest else() add_subdirectory(test EXCLUDE_FROM_ALL) endif() add_subdirectory(unsupported) add_subdirectory(demos EXCLUDE_FROM_ALL) add_subdirectory(blas EXCLUDE_FROM_ALL) add_subdirectory(scripts EXCLUDE_FROM_ALL) # TODO: consider also replacing EIGEN_BUILD_BTL by a custom target "make btl"? if(EIGEN_BUILD_BTL) add_subdirectory(bench/btl EXCLUDE_FROM_ALL) endif(EIGEN_BUILD_BTL) ei_testing_print_summary() message("") message("Configured Eigen ${EIGEN_VERSION_NUMBER}") string(TOLOWER "${CMAKE_GENERATOR}" cmake_generator_tolower) if(cmake_generator_tolower MATCHES "makefile") message("Some things you can do now:") message("--------------+----------------------------------------------------------------") message("Command | Description") message("--------------+----------------------------------------------------------------") message("make install | Install to ${CMAKE_INSTALL_PREFIX}") message(" | * To change that: cmake . -DCMAKE_INSTALL_PREFIX=yourpath") message("make doc | Generate the API documentation, requires Doxygen & LaTeX") message("make blas | Build BLAS library (not the same thing as Eigen)") message("--------------+----------------------------------------------------------------") endif() message("") message("To build/run the unit tests, read this page:") message(" http://eigen.tuxfamily.org/index.php?title=Tests") message("")