add USE_LIS option and FindLis

CMakeLists.txt

@@ -55,6 +55,9 @@ OPTION(OGS_BUILD_UTILS "Should the utilities programms be built?" OFF)
 
 OPTION(OGS_NO_EXTERNAL_LIBS "Builds OGS without any external dependencies." OFF)
 
+# Linear solvers
+OPTION(OGS_USE_LIS "Use Lis" OFF)
+
 # Logging
 OPTION(OGS_DISABLE_LOGGING "Disables all logog messages." OFF)
 

scripts/cmake/Find.cmake

@@ -138,6 +138,15 @@ IF(Shapelib_FOUND)
 	ADD_DEFINITIONS(-DShapelib_FOUND)
 ENDIF() # Shapelib_FOUND
 
+## lis ##
+IF(OGS_USE_LIS)
+    FIND_PACKAGE ( LIS REQUIRED )
+    IF (LIS_FOUND)
+        INCLUDE_DIRECTORIES( ${LIS_INCLUDE_DIR} )
+        ADD_DEFINITIONS(-DUSE_LIS)
+    ENDIF()
+ENDIF()
+
 ########################
 ### Find other stuff ###
 ########################

scripts/cmake/cmake/FindLIS.cmake

+# - Try to find LIS
+# Once done, this will define
+#
+#  LIS_FOUND
+#  LIS_INCLUDE_DIRS
+#  LIS_LIBRARIES
+
+if (NOT LIS_FOUND)
+
+	include(LibFindMacros)
+	
+	find_path( LIS_INCLUDE_DIR
+		NAMES lis.h
+		PATHS ${CMAKE_SOURCE_DIR}/../Libs/precompiled)
+
+	if ( UNIX )
+		# Tell if the unix system is on 64-bit base
+		if(CMAKE_SIZEOF_VOID_P MATCHES "8")
+			find_library(LIS_LIBRARIES
+				NAMES lis-64
+				PATHS ${CMAKE_SOURCE_DIR}/../Libs/precompiled )	
+		else (CMAKE_SIZEOF_VOID_P MATCHES "8")
+			find_library(LIS_LIBRARIES
+				NAMES lis-32
+				PATHS ${CMAKE_SOURCE_DIR}/../Libs/precompiled )	
+		endif (CMAKE_SIZEOF_VOID_P MATCHES "8")
+	else ( UNIX )			
+		find_library(LIS_LIBRARIES
+			NAMES lisomp
+			PATHS ${CMAKE_SOURCE_DIR}/../Libs/precompiled )	
+	endif ( UNIX )
+
+	# Set the include dir variables and the libraries and let libfind_process do the rest.
+	# NOTE: Singular variables for this library, plural for libraries this this lib depends on.
+	if (NOT LIS_LIBRARIES STREQUAL "LIS_LIBRARIES-NOTFOUND" AND NOT LIS_INCLUDE_DIR STREQUAL "LIS_INCLUDE_DIR-NOTFOUND")
+		set(LIS_PROCESS_INCLUDES LIS_INCLUDE_DIR)
+		set(LIS_PROCESS_LIBS LIS_LIBRARIES)
+		libfind_process(LIS)
+	else (NOT LIS_LIBRARIES STREQUAL "LIS_LIBRARIES-NOTFOUND" AND NOT LIS_INCLUDE_DIR STREQUAL "LIS_INCLUDE_DIR-NOTFOUND")
+		message (STATUS "Warning: LIS not found!")
+	endif (NOT LIS_LIBRARIES STREQUAL "LIS_LIBRARIES-NOTFOUND" AND NOT LIS_INCLUDE_DIR STREQUAL "LIS_INCLUDE_DIR-NOTFOUND")
+	
+endif (NOT LIS_FOUND)
+
+if(LIS_FOUND)
+	INCLUDE_DIRECTORIES( ${LIS_INCLUDE_DIR} )
+	message(STATUS "LIS found (include: ${LIS_INCLUDE_DIR})")
+endif(LIS_FOUND)