diff -Naur src3.2.6.orig/KERNEL_SRC_3.2.6/salome_adm/unix/config_files/check_mpich.m4 src3.2.6/KERNEL_SRC_3.2.6/salome_adm/unix/config_files/check_mpich.m4
--- src3.2.6.orig/KERNEL_SRC_3.2.6/salome_adm/unix/config_files/check_mpich.m4	2007-04-24 16:34:20.000000000 +0100
+++ src3.2.6/KERNEL_SRC_3.2.6/salome_adm/unix/config_files/check_mpich.m4	2008-05-07 02:36:00.000000000 +0100
@@ -26,11 +26,12 @@
 
 AC_ARG_WITH(mpich,
   [AC_HELP_STRING([--with-mpich=DIR],[root directory path of MPICH installation])],
-  WITHMPICH="yes",WITHMPICH="no")
+  MPICHREQUESTED="yes",MPICHREQUESTED="no")
 
 MPI_INCLUDES=""
 MPI_LIBS=""
-if test "$WITHMPICH" = yes; then
+WITHMPICH=no
+if test x"$MPICHREQUESTED" = xyes; then
 
   MPIREQUESTED="yes"
   echo
@@ -38,9 +39,9 @@
   echo testing mpich
   echo ---------------------------------------------
   echo
-  MPICH_HOME=$withval
 
-  if test "$MPICH_HOME"; then
+  if test "x$withval" != "xyes"; then
+    MPICH_HOME=$withval
     MPI_INCLUDES="-I$MPICH_HOME/include"
     if test "x$MPICH_HOME" = "x/usr"
     then
@@ -67,10 +68,16 @@
      WITHMPI="yes"
      mpi_ok=yes
      MPI_LIBS="$MPI_LIBS -lmpich"
+dnl  We're doing this here because MPI_LIBS doesn't appear to be
+dnl  being used within the Makefile structure
+     LDFLAGS="$MPI_LIBS $LDFLAGS"
   else
      mpi_ok=no
   fi
-
 fi
 
+AC_SUBST(WITHMPICH)
+AC_SUBST(MPI_INCLUDES)
+AC_SUBST(MPI_LIBS)
+AC_SUBST(mpi_ok)
 ])dnl