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| author | Stanislaw Halik <sthalik@misaki.pl> | 2016-07-31 17:52:31 +0200 |
|---|---|---|
| committer | DaMichel <mw.pub@welter-4d.de> | 2016-08-02 13:22:51 +0200 |
| commit | f786a5c3e89f52a457744c966cc28f5fe99ad9b4 (patch) | |
| tree | 6ee517475cc183b5e3cf690326751a097e1f6a66 /cmake | |
| parent | 9c37cf39a9c186c2fd98db798c0a5f96ac975c5d (diff) | |
filter/kalman: find eigen in non-standard locations
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/FindEigen3.cmake | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/cmake/FindEigen3.cmake b/cmake/FindEigen3.cmake new file mode 100644 index 00000000..fc29db7e --- /dev/null +++ b/cmake/FindEigen3.cmake @@ -0,0 +1,81 @@ +# - Try to find Eigen3 lib +# +# This module supports requiring a minimum version, e.g. you can do +# find_package(Eigen3 3.1.2) +# to require version 3.1.2 or newer of Eigen3. +# +# Once done this will define +# +# EIGEN3_FOUND - system has eigen lib with correct version +# EIGEN3_INCLUDE_DIR - the eigen include directory +# EIGEN3_VERSION - eigen version + +# Copyright (c) 2006, 2007 Montel Laurent, <montel@kde.org> +# Copyright (c) 2008, 2009 Gael Guennebaud, <g.gael@free.fr> +# Copyright (c) 2009 Benoit Jacob <jacob.benoit.1@gmail.com> +# Redistribution and use is allowed according to the terms of the 2-clause BSD license. + +if(NOT Eigen3_FIND_VERSION) + if(NOT Eigen3_FIND_VERSION_MAJOR) + set(Eigen3_FIND_VERSION_MAJOR 2) + endif(NOT Eigen3_FIND_VERSION_MAJOR) + if(NOT Eigen3_FIND_VERSION_MINOR) + set(Eigen3_FIND_VERSION_MINOR 91) + endif(NOT Eigen3_FIND_VERSION_MINOR) + if(NOT Eigen3_FIND_VERSION_PATCH) + set(Eigen3_FIND_VERSION_PATCH 0) + endif(NOT Eigen3_FIND_VERSION_PATCH) + + set(Eigen3_FIND_VERSION "${Eigen3_FIND_VERSION_MAJOR}.${Eigen3_FIND_VERSION_MINOR}.${Eigen3_FIND_VERSION_PATCH}") +endif(NOT Eigen3_FIND_VERSION) + +macro(_eigen3_check_version) + file(READ "${EIGEN3_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen3_version_header) + + string(REGEX MATCH "define[ \t]+EIGEN_WORLD_VERSION[ \t]+([0-9]+)" _eigen3_world_version_match "${_eigen3_version_header}") + set(EIGEN3_WORLD_VERSION "${CMAKE_MATCH_1}") + string(REGEX MATCH "define[ \t]+EIGEN_MAJOR_VERSION[ \t]+([0-9]+)" _eigen3_major_version_match "${_eigen3_version_header}") + set(EIGEN3_MAJOR_VERSION "${CMAKE_MATCH_1}") + string(REGEX MATCH "define[ \t]+EIGEN_MINOR_VERSION[ \t]+([0-9]+)" _eigen3_minor_version_match "${_eigen3_version_header}") + set(EIGEN3_MINOR_VERSION "${CMAKE_MATCH_1}") + + set(EIGEN3_VERSION ${EIGEN3_WORLD_VERSION}.${EIGEN3_MAJOR_VERSION}.${EIGEN3_MINOR_VERSION}) + if(${EIGEN3_VERSION} VERSION_LESS ${Eigen3_FIND_VERSION}) + set(EIGEN3_VERSION_OK FALSE) + else(${EIGEN3_VERSION} VERSION_LESS ${Eigen3_FIND_VERSION}) + set(EIGEN3_VERSION_OK TRUE) + endif(${EIGEN3_VERSION} VERSION_LESS ${Eigen3_FIND_VERSION}) + + if(NOT EIGEN3_VERSION_OK) + + message(STATUS "Eigen3 version ${EIGEN3_VERSION} found in ${EIGEN3_INCLUDE_DIR}, " + "but at least version ${Eigen3_FIND_VERSION} is required") + endif(NOT EIGEN3_VERSION_OK) +endmacro(_eigen3_check_version) + +if (EIGEN3_INCLUDE_DIR) + + # in cache already + _eigen3_check_version() + set(EIGEN3_FOUND ${EIGEN3_VERSION_OK}) + +else (EIGEN3_INCLUDE_DIR) + + find_path(EIGEN3_INCLUDE_DIR NAMES signature_of_eigen3_matrix_library + PATHS + ${CMAKE_INSTALL_PREFIX}/include + ${KDE4_INCLUDE_DIR} + PATH_SUFFIXES eigen3 eigen + ) + + if(EIGEN3_INCLUDE_DIR) + _eigen3_check_version() + endif(EIGEN3_INCLUDE_DIR) + + #include(FindPackageHandleStandardArgs) + #find_package_handle_standard_args(Eigen3 DEFAULT_MSG EIGEN3_INCLUDE_DIR EIGEN3_VERSION_OK) + + mark_as_advanced(EIGEN3_INCLUDE_DIR) + +endif(EIGEN3_INCLUDE_DIR) + |