revert part of Taylor patch to acx_mpi.m4: do not link -lmpi if mpicc…

… works without libraries, as -lmpi may be some completely different MPI implementation
saya1989 · Nov 20, 2012 · 466f579 · 466f579
1 parent 6104602
commit 466f579
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/m4/acx_mpi.m4 b/m4/acx_mpi.m4
@@ -63,10 +63,10 @@ AC_LANG_CASE([C], [
 ])
 
 if test x = x"$MPILIBS"; then
-	AC_LANG_CASE([C], [AC_CHECK_FUNC(MPI_Init, [MPILIBS=""])],
-		[C++], [AC_CHECK_FUNC(MPI_Init, [MPILIBS=""])],
+	AC_LANG_CASE([C], [AC_CHECK_FUNC(MPI_Init, [MPILIBS=" "])],
+		[C++], [AC_CHECK_FUNC(MPI_Init, [MPILIBS=" "])],
 		[Fortran 77], [AC_MSG_CHECKING([for MPI_Init])
-			AC_TRY_LINK([],[      call MPI_Init], [MPILIBS=""
+			AC_TRY_LINK([],[      call MPI_Init], [MPILIBS=" "
 				AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)])])
 fi
 if test x = x"$MPILIBS"; then