Issue/cmake configuration

rewritten several cmake files to be more compatible with several linux distributions

AMDiS/cmake/AMDISConfig.cmake.in

@@ -157,11 +157,23 @@ endif (AMDIS_NEED_CXX11)
 #load mpi-compiler for use with parmetis and parallel_domain
 if(AMDIS_HAS_PARALLEL_DOMAIN)
 	find_package(MPI REQUIRED)
-	if(MPI_FOUND)
-		list(APPEND AMDIS_LIBRARIES ${MPI_LIBRARIES})
-		list(APPEND AMDIS_COMPILEFLAGS ${MPI_COMPILE_FLAGS})
-		list(APPEND AMDIS_INCLUDE_DIRS ${MPI_INCLUDE_PATH})
-	endif(MPI_FOUND)
+    list(APPEND AMDIS_LIBRARIES ${MPI_LIBRARIES})
+    list(APPEND AMDIS_COMPILEFLAGS ${MPI_COMPILE_FLAGS})
+    list(APPEND AMDIS_INCLUDE_DIRS ${MPI_INCLUDE_PATH})
+
+    find_library(PARMETIS_LIB parmetis)
+    if(PARMETIS_LIB)
+        list(APPEND AMDIS_LIBRARIES ${PARMETIS_LIB})
+    else(PARMETIS_LIB)
+        message(FATAL_ERROR "could not find the parmetis libraries needed by amdis")
+    endif(PARMETIS_LIB)
+    find_library(METIS_LIB metis)
+    if(METIS_LIB)
+        list(APPEND AMDIS_LIBRARIES ${METIS_LIB})
+    else(METIS_LIB)
+        message(FATAL_ERROR "could not find the metis libraries needed by amdis")
+    endif(METIS_LIB)
+
 	if(AMDIS_HAS_PARALLEL_DOMAIN STREQUAL "PETSC")
 		set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${AMDIS_DIR})
 		set(PETSC_EXECUTABLE_RUNS ON)
@@ -175,18 +187,6 @@ if(AMDIS_HAS_PARALLEL_DOMAIN)
 	elseif(AMDIS_HAS_PARALLEL_DOMAIN STREQUAL "PMTL")
 		find_package(MTL REQUIRED)
 		list(APPEND AMDIS_LIBRARIES ${MTL_LIBRARIES})
-		find_library(PARMETIS_LIB parmetis)
-		if(PARMETIS_LIB)
-			list(APPEND AMDIS_LIBRARIES ${PARMETIS_LIB})
-		else(PARMETIS_LIB)
-			message(FATAL_ERROR "could not find the parmetis libraries needed by amdis")
-		endif(PARMETIS_LIB)
-		find_library(METIS_LIB metis)
-		if(METIS_LIB)
-			list(APPEND AMDIS_LIBRARIES ${METIS_LIB})
-		else(METIS_LIB)
-			message(FATAL_ERROR "could not find the metis libraries needed by amdis")
-		endif(METIS_LIB)
 	endif()
 
 elseif(AMDIS_NEED_SEQ_PETSC)