eigen/CMakeLists.txt
2010-02-21 15:23:51 +01:00

205 lines
7.7 KiB
CMake

project(Eigen)
cmake_minimum_required(VERSION 2.6.2)
if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
message(FATAL_ERROR "In-source builds not allowed. Please make a new directory (called a build directory) and run CMake from there. (you may need to remove CMakeCache.txt ")
endif()
# automatically parse the version number
file(READ "${CMAKE_SOURCE_DIR}/Eigen/src/Core/util/Macros.h" _eigen_version_header)
string(REGEX MATCH "define[ \t]+EIGEN_WORLD_VERSION[ \t]+([0-9]+)" _eigen_world_version_match "${_eigen_version_header}")
set(EIGEN_WORLD_VERSION "${CMAKE_MATCH_1}")
string(REGEX MATCH "define[ \t]+EIGEN_MAJOR_VERSION[ \t]+([0-9]+)" _eigen_major_version_match "${_eigen_version_header}")
set(EIGEN_MAJOR_VERSION "${CMAKE_MATCH_1}")
string(REGEX MATCH "define[ \t]+EIGEN_MINOR_VERSION[ \t]+([0-9]+)" _eigen_minor_version_match "${_eigen_version_header}")
set(EIGEN_MINOR_VERSION "${CMAKE_MATCH_1}")
set(EIGEN_VERSION_NUMBER ${EIGEN_WORLD_VERSION}.${EIGEN_MAJOR_VERSION}.${EIGEN_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)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -fexceptions -fno-check-new -fno-common -fstrict-aliasing")
set(CMAKE_CXX_FLAGS_DEBUG "-g3")
set(CMAKE_CXX_FLAGS_RELEASE "-g0 -O2")
check_cxx_compiler_flag("-Wno-variadic-macros" COMPILER_SUPPORT_WNOVARIADICMACRO)
if(COMPILER_SUPPORT_WNOVARIADICMACRO)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-variadic-macros")
endif()
check_cxx_compiler_flag("-Wextra" COMPILER_SUPPORT_WEXTRA)
if(COMPILER_SUPPORT_WEXTRA)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic")
option(EIGEN_TEST_SSE2 "Enable/Disable SSE2 in tests/examples" OFF)
if(EIGEN_TEST_SSE2)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2")
message("Enabling SSE2 in tests/examples")
endif()
option(EIGEN_TEST_SSE3 "Enable/Disable SSE3 in tests/examples" OFF)
if(EIGEN_TEST_SSE3)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse3")
message("Enabling SSE3 in tests/examples")
endif()
option(EIGEN_TEST_SSSE3 "Enable/Disable SSSE3 in tests/examples" OFF)
if(EIGEN_TEST_SSSE3)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mssse3")
message("Enabling SSSE3 in tests/examples")
endif()
option(EIGEN_TEST_SSE4_1 "Enable/Disable SSE4.1 in tests/examples" OFF)
if(EIGEN_TEST_SSE4_1)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.1")
message("Enabling SSE4.1 in tests/examples")
endif()
option(EIGEN_TEST_SSE4_2 "Enable/Disable SSE4.2 in tests/examples" OFF)
if(EIGEN_TEST_SSE4_2)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2")
message("Enabling SSE4.2 in tests/examples")
endif()
option(EIGEN_TEST_ALTIVEC "Enable/Disable altivec in tests/examples" OFF)
if(EIGEN_TEST_ALTIVEC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maltivec -mabi=altivec")
message("Enabling AltiVec in tests/examples")
endif()
endif(CMAKE_COMPILER_IS_GNUCXX)
if(MSVC)
# C4127 - conditional expression is constant
# C4505 - unreferenced local function has been removed
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc /wd4127 /wd4505")
string(REGEX REPLACE "/W[0-9]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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 "${CMAKE_CXX_FLAGS} /arch:SSE2")
endif(NOT CMAKE_CL_64)
message("Enabling SSE2 in tests/examples")
endif(EIGEN_TEST_SSE2)
endif(MSVC)
option(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION "Disable explicit vectorization in tests/examples" OFF)
if(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION)
add_definitions(-DEIGEN_DONT_VECTORIZE=1)
message("Disabling vectorization in tests/examples")
endif(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION)
option(EIGEN_TEST_C++0x "Enables all C++0x features." OFF)
include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
set(INCLUDE_INSTALL_DIR
"${CMAKE_INSTALL_PREFIX}/include/eigen3"
CACHE PATH
"The directory where we install the header files"
)
install(FILES
signature_of_eigen3_matrix_library
DESTINATION ${INCLUDE_INSTALL_DIR} COMPONENT Devel
)
if(EIGEN_BUILD_PKGCONFIG)
configure_file(eigen3.pc.in eigen3.pc)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/eigen3.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
include(EigenTesting)
ei_init_testing()
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)
# must be after test and unsupported, for configuring buildtests.in
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 ${EIGEN_VERSION_NUMBER}")
message("")
string(TOLOWER "${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 check | Build and run the unit-tests. Read this page:")
message(" | http://eigen.tuxfamily.org/index.php?title=Tests")
message("make blas | Build BLAS library (not the same thing as Eigen)")
message("--------------+----------------------------------------------------------------")
else()
message("To build/run the unit tests, read this page:")
message(" http://eigen.tuxfamily.org/index.php?title=Tests")
endif()
message("")