diff options
| -rw-r--r-- | modules/FindEigen2.cmake | 57 |
1 files changed, 50 insertions, 7 deletions
diff --git a/modules/FindEigen2.cmake b/modules/FindEigen2.cmake index 5feddf3e..74e183e2 100644 --- a/modules/FindEigen2.cmake +++ b/modules/FindEigen2.cmake @@ -1,30 +1,73 @@ # - Try to find Eigen2 lib # Once done this will define # -# EIGEN2_FOUND - system has eigen lib +# EIGEN2_FOUND - system has eigen lib with correct version # EIGEN2_INCLUDE_DIR - the eigen include directory +# EIGEN2_VERSION - eigen version # Copyright (c) 2006, 2007 Montel Laurent, <montel@kde.org> +# Copyright (c) 2008, 2009 Gael Guennebaud, <g.gael@free.fr> # Redistribution and use is allowed according to the terms of the BSD license. -# For details see the accompanying COPYING-CMAKE-SCRIPTS file. + +if(NOT EIGEN2_MIN_VERSION) + if(NOT Eigen2_FIND_VERSION_MAJOR) + set(Eigen2_FIND_VERSION_MAJOR 2) + endif(NOT Eigen2_FIND_VERSION_MAJOR) + if(NOT Eigen2_FIND_VERSION_MINOR) + set(Eigen2_FIND_VERSION_MINOR 0) + endif(NOT Eigen2_FIND_VERSION_MINOR) + if(NOT Eigen2_FIND_VERSION_PATCH) + set(Eigen2_FIND_VERSION_PATCH 0) + endif(NOT Eigen2_FIND_VERSION_PATCH) + + set(EIGEN2_MIN_VERSION "${Eigen2_FIND_VERSION_MAJOR}.${Eigen2_FIND_VERSION_MINOR}.${Eigen2_FIND_VERSION_PATCH}") +endif(NOT EIGEN2_MIN_VERSION) + +macro(_eigen2_check_version) + file(READ "${EIGEN2_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen2_version_header LIMIT 5000 OFFSET 1000) + + string(REGEX MATCH "define *EIGEN_WORLD_VERSION ([0-9]*)" _eigen2_world_version_match "${_eigen2_version_header}") + set(EIGEN2_WORLD_VERSION "${CMAKE_MATCH_1}") + string(REGEX MATCH "define *EIGEN_MAJOR_VERSION ([0-9]*)" _eigen2_major_version_match "${_eigen2_version_header}") + set(EIGEN2_MAJOR_VERSION "${CMAKE_MATCH_1}") + string(REGEX MATCH "define *EIGEN_MINOR_VERSION ([0-9]*)" _eigen2_minor_version_match "${_eigen2_version_header}") + set(EIGEN2_MINOR_VERSION "${CMAKE_MATCH_1}") + + set(EIGEN2_VERSION ${EIGEN2_WORLD_VERSION}.${EIGEN2_MAJOR_VERSION}.${EIGEN2_MINOR_VERSION}) + if(${EIGEN2_VERSION} VERSION_LESS ${EIGEN2_MIN_VERSION}) + set(EIGEN2_VERSION_OK FALSE) + else(${EIGEN2_VERSION} VERSION_LESS ${EIGEN2_MIN_VERSION}) + set(EIGEN2_VERSION_OK TRUE) + endif(${EIGEN2_VERSION} VERSION_LESS ${EIGEN2_MIN_VERSION}) + + if(NOT EIGEN2_VERSION_OK) + + message(STATUS "Eigen2 version ${EIGEN2_VERSION} found in ${EIGEN2_INCLUDE_DIR}, " + "but at least version ${EIGEN2_MIN_VERSION} is required") + endif(NOT EIGEN2_VERSION_OK) +endmacro(_eigen2_check_version) if (EIGEN2_INCLUDE_DIR) # in cache already - set(EIGEN2_FOUND TRUE) + _eigen2_check_version() + set(EIGEN2_FOUND ${EIGEN2_VERSION_OK}) else (EIGEN2_INCLUDE_DIR) find_path(EIGEN2_INCLUDE_DIR NAMES Eigen/Core - PATH_SUFFIXES eigen2 - HINTS + PATHS ${INCLUDE_INSTALL_DIR} ${KDE4_INCLUDE_DIR} + PATH_SUFFIXES eigen2 ) -include(FindPackageHandleStandardArgs) -find_package_handle_standard_args(Eigen2 DEFAULT_MSG EIGEN2_INCLUDE_DIR ) +if(EIGEN2_INCLUDE_DIR) + _eigen2_check_version() +endif(EIGEN2_INCLUDE_DIR) +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(Eigen2 DEFAULT_MSG EIGEN2_INCLUDE_DIR EIGEN2_VERSION_OK) mark_as_advanced(EIGEN2_INCLUDE_DIR) |