1 files changed, 59 insertions, 0 deletions
diff --git a/eigen/cmake/FindMetis.cmake b/eigen/cmake/FindMetis.cmake
new file mode 100644
index 0000000..6a0ce79
--- /dev/null
+++ b/eigen/cmake/FindMetis.cmake
@@ -0,0 +1,59 @@
+# Pastix requires METIS or METIS (partitioning and reordering tools)
+
+if (METIS_INCLUDES AND METIS_LIBRARIES)
+  set(METIS_FIND_QUIETLY TRUE)
+endif (METIS_INCLUDES AND METIS_LIBRARIES)
+
+find_path(METIS_INCLUDES 
+  NAMES 
+  metis.h 
+  PATHS 
+  $ENV{METISDIR} 
+  ${INCLUDE_INSTALL_DIR} 
+  PATH_SUFFIXES
+  .
+  metis
+  include
+)
+
+macro(_metis_check_version)
+  file(READ "${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(STATUS "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_VERSION_OK)
+
+mark_as_advanced(METIS_INCLUDES METIS_LIBRARIES)