[CMake] Refactored metis logic.

Applications/Utils/ModelPreparation/PartitionMesh/CMakeLists.txt

-###
-## Compile mpmetis
-add_definitions(-DSVNINFO="${SVNREV}")
-include_directories(${METIS_PATH}/libmetis)
-include_directories(${METIS_PATH}/programs)
-set(METIS_SOURCES
-   ${METIS_PATH}/programs/mpmetis.c
-   ${METIS_PATH}/programs/cmdline_mpmetis.c
-   ${METIS_PATH}/programs/io.c
-   ${METIS_PATH}/programs/stat.c
-   )
-add_executable(mpmetis ${METIS_SOURCES})
-
-target_link_libraries(mpmetis metis)
-
 add_executable(partmesh PartitionMesh.cpp NodeWiseMeshPartitioner.h NodeWiseMeshPartitioner.cpp)
 set_target_properties(partmesh PROPERTIES FOLDER Utilities)
 target_link_libraries(partmesh MeshLib)
 
-ADD_VTK_DEPENDENCY(partmesh)
-
 ####################
 ### Installation ###
 ####################
-install(TARGETS partmesh mpmetis RUNTIME DESTINATION bin COMPONENT ogs_partmesh)
+install(TARGETS partmesh RUNTIME DESTINATION bin COMPONENT ogs_partmesh)
 
 cpack_add_component(ogs_partmesh
     DISPLAY_NAME "Mesh partitioning tool"

Applications/Utils/ModelPreparation/PartitionMesh/MetisSetup.cmake

-MESSAGE( STATUS "The METIS package is copyrighted by the Regents of the University of Minnesota." )
-MESSAGE( STATUS "Please read the license of the METIS package carefully before you use the METIS." )
-
-set(METIS_PATH "${CMAKE_SOURCE_DIR}/ThirdParty/metis")
-
-add_definitions(-DUSE_GKREGEX)
-
-set(GKLIB_PATH "${METIS_PATH}/GKlib" CACHE PATH "path to GKlib")
-set(SHARED FALSE CACHE BOOL "build a shared library")
-
-if(MSVC)
-	set(METIS_INSTALL FALSE)
-else()
-	set(METIS_INSTALL TRUE)
-endif()
-
-# Configure libmetis library.
-if(SHARED)
-	set(METIS_LIBRARY_TYPE SHARED)
-else()
-	set(METIS_LIBRARY_TYPE STATIC)
-endif(SHARED)
-
-include(${GKLIB_PATH}/GKlibSystem.cmake)
-# Add include directories.
-include_directories(${GKLIB_PATH})
-include_directories(${METIS_PATH}/include)
-# Recursively look for CMakeLists.txt in subdirs.
-add_subdirectory("${METIS_PATH}/include")
-add_subdirectory("${METIS_PATH}/libmetis")

CMakeLists.txt

@@ -157,10 +157,6 @@ if(OGS_BUILD_TESTS)
     set(Data_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/Tests/Data CACHE INTERNAL "")
 endif()
 
-if(OGS_BUILD_UTILS AND NOT OGS_BUILD_GUI)
-    include(${CMAKE_SOURCE_DIR}/Applications/Utils/ModelPreparation/PartitionMesh/MetisSetup.cmake)
-endif()
-
 ######################
 ### Subdirectories ###
 ######################

ThirdParty/CMakeLists.txt

@@ -54,3 +54,7 @@ endif()
 if(OGS_BUILD_SWMM)
     add_subdirectory(${CMAKE_SOURCE_DIR}/ThirdParty/SWMMInterface)
 endif()
+
+if(OGS_BUILD_UTILS)
+    include(${CMAKE_SOURCE_DIR}/scripts/cmake/MetisSetup.cmake)
+endif()

scripts/cmake/MetisSetup.cmake

+message( STATUS "The METIS package is copyrighted by the Regents of the University of Minnesota." )
+message( STATUS "Please read the license of the METIS package carefully before you use the METIS." )
+
+set(METIS_PATH "${CMAKE_SOURCE_DIR}/ThirdParty/metis")
+add_definitions(-DUSE_GKREGEX)
+set(GKLIB_PATH "${METIS_PATH}/GKlib" CACHE PATH "path to GKlib")
+
+if(SHARED)
+	set(METIS_LIBRARY_TYPE SHARED)
+else()
+	set(METIS_LIBRARY_TYPE STATIC)
+endif(SHARED)
+
+include(${GKLIB_PATH}/GKlibSystem.cmake)
+include_directories(${GKLIB_PATH})
+include_directories(${METIS_PATH}/include)
+
+# From ${METIS_PATH}/libmetis/CMakeLists.txt
+# Removed linking to conan
+# Add this directory for internal users.
+include_directories(BEFORE ${METIS_PATH}/libmetis)
+# Find sources.
+file(GLOB metis_sources ${METIS_PATH}/libmetis/*.c)
+# Build libmetis.
+add_library(metis ${GKlib_sources} ${metis_sources})
+if(UNIX)
+  target_link_libraries(metis m)
+elseif(MSVC)
+  include(GenerateExportHeader)
+  generate_export_header(metis)
+endif()
+
+install(TARGETS metis
+  LIBRARY DESTINATION lib
+  RUNTIME DESTINATION bin
+  ARCHIVE DESTINATION lib
+  COMPONENT ogs_partmesh
+)
+
+## Compile mpmetis
+add_definitions(-DSVNINFO="")
+include_directories(${METIS_PATH}/libmetis)
+include_directories(${METIS_PATH}/programs)
+set(METIS_SOURCES
+   ${METIS_PATH}/programs/mpmetis.c
+   ${METIS_PATH}/programs/cmdline_mpmetis.c
+   ${METIS_PATH}/programs/io.c
+   ${METIS_PATH}/programs/stat.c
+   )
+add_executable(mpmetis ${METIS_SOURCES})
+target_link_libraries(mpmetis metis)
+install(TARGETS mpmetis RUNTIME DESTINATION bin COMPONENT ogs_partmesh)