Do not require CXX libraries for MPI which are deprecated.

stevenireeves · May 2, 2019 · c98d66c · c98d66c
1 parent 867bd8f
commit c98d66c
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1,5 +1,6 @@
 cmake_minimum_required(VERSION 3.14)
 project(AMReX)
+enable_language(C) # needed for find_package(MPI REQUIRED "C")
 enable_language(CXX)
 enable_language(Fortran)
 

diff --git a/Tools/CMake/AMReXConfig.cmake.in b/Tools/CMake/AMReXConfig.cmake.in
@@ -86,7 +86,7 @@ set(AMREX_ENABLE_HYPRE              @ENABLE_HYPRE@)
 # Find dependencies if needed
 #
 if (AMREX_ENABLE_MPI)
-   set( _mpi_components CXX )
+   set( _mpi_components "C" )
    if (AMREX_ENABLE_FORTRAN_INTERFACES)
          set( _mpi_components "${_mpi_components} Fortran" )
    endif ()