disable using mpicc --showme:link link flags: they bring unnecessary rpath.

---
 configure.ac |    6 ------
 1 file changed, 6 deletions(-)

--- a/configure.ac
+++ b/configure.ac
@@ -384,12 +384,6 @@ AC_SUBST(MPICXX, $mpicxx_path)
 
 if test x$use_mpi = xyes -a \( x$enable_mpi = xyes -o x$use_mpi_master_slave = xyes \) ; then
     cc_or_mpicc=$mpicc_path
-        # For some reason, libtool uses gcc instead of mpicc when linking
-        # libstarpumpi.
-        # On Darwin (and maybe other systems ?) the linker will fail (undefined
-        # references to MPI_*). We manually add the required flags to fix this
-        # issue.
-        AC_SUBST(MPICC_LDFLAGS, `$mpicc_path --showme:link`)
 else
     cc_or_mpicc=$CC
 fi
