Merge pull request espressomd#2244 from junghans/cmake_mpi_workaround

cmake: workaround for cmake bug#18349
RudolfWeeber · Oct 15, 2018 · 1f7df4a · 1f7df4a
1 parent e90d9b8
commit 1f7df4a
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -295,7 +295,10 @@ endif(WITH_VALGRIND_INSTRUMENTATION)
 #######################################################################
 
 find_package(MPI REQUIRED)
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MPI_COMPILE_FLAGS}")
+# Workaround for https://gitlab.kitware.com/cmake/cmake/issues/18349
+foreach(_MPI_FLAG ${MPI_CXX_COMPILE_FLAGS})
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_MPI_FLAG}")
+endforeach()
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MPI_LINK_FLAGS}")
 include_directories(SYSTEM ${MPI_INCLUDE_PATH})
 list(APPEND LIBRARIES ${MPI_LIBRARIES})