LU-5090 build: restore enable-mpitest option

[fs/lustre-release.git] / lustre / autoconf / lustre-core.m4

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index e14184d..0ed0ee1 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -1597,6 +1597,49 @@ AC_MSG_RESULT([$enable_client])
 ]) # LC_CONFIG_CLIENT
 
 #
+# --enable-mpitests
+#
+AC_DEFUN([LB_CONFIG_MPITESTS], [
+AC_ARG_ENABLE([mpitests],
+       AC_HELP_STRING([--enable-mpitests==yes|no|mpicc wrapper],
+                      [include mpi tests]), [
+               enable_mpitests=yes
+               case $enableval in
+               yes)
+                       MPICC_WRAPPER=mpicc
+                       ;;
+               no)
+                       enable_mpitests=no
+                       ;;
+               *)
+                       MPICC_WRAPPER=$enableval
+                       ;;
+               esac
+       ], [
+               enable_mpitests="yes"
+               MPICC_WRAPPER=mpicc
+       ])
+
+       if test x$enable_mpitests != xno; then
+               oldcc=$CC
+               CC=$MPICC_WRAPPER
+               AC_CACHE_CHECK([whether mpitests can be built],
+                               lb_cv_mpi_tests, [
+               AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+                       #include <mpi.h>
+                       int main(void) {
+                               int flag;
+                               MPI_Initialized(&flag);
+                               return 0;
+                       }
+               ])], [], [enable_mpitests="no"])
+               ])
+               CC=$oldcc
+       fi
+       AC_SUBST(MPICC_WRAPPER)
+]) # LB_CONFIG_MPITESTS
+
+#
 # LC_CONFIG_QUOTA
 #
 # whether to enable quota support global control