diff options
Diffstat (limited to 'cmake/FindEigen3.cmake')
| -rw-r--r-- | cmake/FindEigen3.cmake | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/cmake/FindEigen3.cmake b/cmake/FindEigen3.cmake index 9e9697860..0b36805e7 100644 --- a/cmake/FindEigen3.cmake +++ b/cmake/FindEigen3.cmake @@ -10,8 +10,12 @@ # EIGEN3_INCLUDE_DIR - the eigen include directory # EIGEN3_VERSION - eigen version # +# and the following imported target: +# +# Eigen3::Eigen - The header-only Eigen library +# # This module reads hints about search locations from -# the following enviroment variables: +# the following environment variables: # # EIGEN3_ROOT # EIGEN3_ROOT_DIR @@ -24,16 +28,16 @@ if(NOT Eigen3_FIND_VERSION) if(NOT Eigen3_FIND_VERSION_MAJOR) set(Eigen3_FIND_VERSION_MAJOR 2) - endif(NOT Eigen3_FIND_VERSION_MAJOR) + endif() if(NOT Eigen3_FIND_VERSION_MINOR) set(Eigen3_FIND_VERSION_MINOR 91) - endif(NOT Eigen3_FIND_VERSION_MINOR) + endif() if(NOT Eigen3_FIND_VERSION_PATCH) set(Eigen3_FIND_VERSION_PATCH 0) - endif(NOT Eigen3_FIND_VERSION_PATCH) + endif() set(Eigen3_FIND_VERSION "${Eigen3_FIND_VERSION_MAJOR}.${Eigen3_FIND_VERSION_MINOR}.${Eigen3_FIND_VERSION_PATCH}") -endif(NOT Eigen3_FIND_VERSION) +endif() macro(_eigen3_check_version) file(READ "${EIGEN3_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen3_version_header) @@ -48,24 +52,25 @@ macro(_eigen3_check_version) 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 ${Eigen3_FIND_VERSION}) + else() set(EIGEN3_VERSION_OK TRUE) - endif(${EIGEN3_VERSION} VERSION_LESS ${Eigen3_FIND_VERSION}) + endif() 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) + endif() +endmacro() if (EIGEN3_INCLUDE_DIR) # in cache already _eigen3_check_version() set(EIGEN3_FOUND ${EIGEN3_VERSION_OK}) + set(Eigen3_FOUND ${EIGEN3_VERSION_OK}) -else (EIGEN3_INCLUDE_DIR) +else () # search first if an Eigen3Config.cmake is available in the system, # if successful this would set EIGEN3_INCLUDE_DIR and the rest of @@ -82,16 +87,21 @@ else (EIGEN3_INCLUDE_DIR) ${KDE4_INCLUDE_DIR} PATH_SUFFIXES eigen3 eigen ) - endif(NOT EIGEN3_INCLUDE_DIR) + endif() if(EIGEN3_INCLUDE_DIR) _eigen3_check_version() - endif(EIGEN3_INCLUDE_DIR) + endif() include(FindPackageHandleStandardArgs) find_package_handle_standard_args(Eigen3 DEFAULT_MSG EIGEN3_INCLUDE_DIR EIGEN3_VERSION_OK) mark_as_advanced(EIGEN3_INCLUDE_DIR) -endif(EIGEN3_INCLUDE_DIR) +endif() +if(EIGEN3_FOUND AND NOT TARGET Eigen3::Eigen) + add_library(Eigen3::Eigen INTERFACE IMPORTED) + set_target_properties(Eigen3::Eigen PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES "${EIGEN3_INCLUDE_DIR}") +endif() |