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| author |  Christoph Hertzberg <chtz@informatik.uni-bremen.de> | 2014-07-09 16:54:15 +0200 |
|---|---|---|
| committer | Christoph Hertzberg <chtz@informatik.uni-bremen.de> | 2014-07-09 16:54:15 +0200 |
| commit | 75d19bb087d9b4b5bf1505389b98b2503aa371f0 (patch) | |
| tree | 687cb2dc4d65731968f9de9e2a686495887fa4a8 /cmake/FindMetis.cmake | |
| parent | 62f948c56a782689947e4bbdcaab2b5cb0247ac5 (diff) | |
Determine version of Metis library. Apparently, at least version 5.x is needed for Eigen/MetisSupport.
Marked some internal variables as advanced
Diffstat (limited to 'cmake/FindMetis.cmake')
| -rw-r--r-- | cmake/FindMetis.cmake | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/cmake/FindMetis.cmake b/cmake/FindMetis.cmake index 627c3e9ae..e0040d320 100644 --- a/cmake/FindMetis.cmake +++ b/cmake/FindMetis.cmake @@ -10,16 +10,50 @@ find_path(METIS_INCLUDES PATHS $ENV{METISDIR} ${INCLUDE_INSTALL_DIR} - PATH_SUFFIXES + PATH_SUFFIXES + . metis include ) +macro(_metis_check_version) + file(READ "${METIS_INCLUDES}/metis.h" _metis_version_header) + + string(REGEX MATCH "define[ \t]+METIS_VER_MAJOR[ \t]+([0-9]+)" _metis_major_version_match "${_metis_version_header}") + set(METIS_MAJOR_VERSION "${CMAKE_MATCH_1}") + string(REGEX MATCH "define[ \t]+METIS_VER_MINOR[ \t]+([0-9]+)" _metis_minor_version_match "${_metis_version_header}") + set(METIS_MINOR_VERSION "${CMAKE_MATCH_1}") + string(REGEX MATCH "define[ \t]+METIS_VER_SUBMINOR[ \t]+([0-9]+)" _metis_subminor_version_match "${_metis_version_header}") + set(METIS_SUBMINOR_VERSION "${CMAKE_MATCH_1}") + if(NOT METIS_MAJOR_VERSION) + message(WARNING "Could not determine Metis version. Assuming version 4.0.0") + set(METIS_VERSION 4.0.0) + else() + set(METIS_VERSION ${METIS_MAJOR_VERSION}.${METIS_MINOR_VERSION}.${METIS_SUBMINOR_VERSION}) + endif() + if(${METIS_VERSION} VERSION_LESS ${Metis_FIND_VERSION}) + set(METIS_VERSION_OK FALSE) + else() + set(METIS_VERSION_OK TRUE) + endif() + + if(NOT METIS_VERSION_OK) + message(STATUS "Metis version ${METIS_VERSION} found in ${METIS_INCLUDES}, " + "but at least version ${Metis_FIND_VERSION} is required") + endif(NOT METIS_VERSION_OK) +endmacro(_metis_check_version) + + if(METIS_INCLUDES AND Metis_FIND_VERSION) + _metis_check_version() + else() + set(METIS_VERSION_OK TRUE) + endif() + find_library(METIS_LIBRARIES metis PATHS $ENV{METISDIR} ${LIB_INSTALL_DIR} PATH_SUFFIXES lib) include(FindPackageHandleStandardArgs) find_package_handle_standard_args(METIS DEFAULT_MSG - METIS_INCLUDES METIS_LIBRARIES) + METIS_INCLUDES METIS_LIBRARIES METIS_VERSION_OK) mark_as_advanced(METIS_INCLUDES METIS_LIBRARIES) |