diff options
Diffstat (limited to 'cmake/FindEigen3.cmake')
| -rw-r--r-- | cmake/FindEigen3.cmake | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/cmake/FindEigen3.cmake b/cmake/FindEigen3.cmake index cea1afeab..9e9697860 100644 --- a/cmake/FindEigen3.cmake +++ b/cmake/FindEigen3.cmake @@ -66,16 +66,23 @@ if (EIGEN3_INCLUDE_DIR) set(EIGEN3_FOUND ${EIGEN3_VERSION_OK}) else (EIGEN3_INCLUDE_DIR) - - find_path(EIGEN3_INCLUDE_DIR NAMES signature_of_eigen3_matrix_library - HINTS - ENV EIGEN3_ROOT - ENV EIGEN3_ROOT_DIR - PATHS - ${CMAKE_INSTALL_PREFIX}/include - ${KDE4_INCLUDE_DIR} - PATH_SUFFIXES eigen3 eigen - ) + + # search first if an Eigen3Config.cmake is available in the system, + # if successful this would set EIGEN3_INCLUDE_DIR and the rest of + # the script will work as usual + find_package(Eigen3 ${Eigen3_FIND_VERSION} NO_MODULE QUIET) + + if(NOT EIGEN3_INCLUDE_DIR) + find_path(EIGEN3_INCLUDE_DIR NAMES signature_of_eigen3_matrix_library + HINTS + ENV EIGEN3_ROOT + ENV EIGEN3_ROOT_DIR + PATHS + ${CMAKE_INSTALL_PREFIX}/include + ${KDE4_INCLUDE_DIR} + PATH_SUFFIXES eigen3 eigen + ) + endif(NOT EIGEN3_INCLUDE_DIR) if(EIGEN3_INCLUDE_DIR) _eigen3_check_version() |