diff --git a/CMakeLists.txt b/CMakeLists.txt
index e1b91625..64aa2e9b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,6 +71,12 @@ macro (sources_hook)
 			)
 	endif (NOT SuiteSparse_FOUND)
 
+	if (NOT PETSC_FOUND)
+		list (REMOVE_ITEM opm-core_SOURCES
+			${PROJECT_SOURCE_DIR}/${opm-core_DIR}/core/linalg/call_petsc.c
+			${PROJECT_SOURCE_DIR}/${opm-core_DIR}/core/linalg/LinearSolverPetsc.cpp
+			)
+	endif (NOT PETSC_FOUND)
 	if ((NOT MPI_FOUND) OR (NOT DUNE_ISTL_FOUND))
 		list (REMOVE_ITEM tests_SOURCES
 			${PROJECT_SOURCE_DIR}/tests/test_parallel_linearsolver.cpp
diff --git a/CMakeLists_files.cmake b/CMakeLists_files.cmake
index 5ab278db..dfa25f1b 100644
--- a/CMakeLists_files.cmake
+++ b/CMakeLists_files.cmake
@@ -49,7 +49,9 @@ list (APPEND MAIN_SOURCE_FILES
 	opm/core/linalg/LinearSolverInterface.cpp
 	opm/core/linalg/LinearSolverIstl.cpp
 	opm/core/linalg/LinearSolverUmfpack.cpp
+	opm/core/linalg/LinearSolverPetsc.cpp
 	opm/core/linalg/call_umfpack.c
+	opm/core/linalg/call_petsc.c
 	opm/core/linalg/sparse_sys.c
 	opm/core/pressure/CompressibleTpfa.cpp
 	opm/core/pressure/FlowBCManager.cpp
@@ -274,8 +276,10 @@ list (APPEND PUBLIC_HEADER_FILES
 	opm/core/linalg/LinearSolverInterface.hpp
 	opm/core/linalg/LinearSolverIstl.hpp
 	opm/core/linalg/LinearSolverUmfpack.hpp
+	opm/core/linalg/LinearSolverPetsc.hpp
 	opm/core/linalg/blas_lapack.h
 	opm/core/linalg/call_umfpack.h
+	opm/core/linalg/call_petsc.h
 	opm/core/linalg/sparse_sys.h
 	opm/core/version.h
 	opm/core/wells.h