If configure of a contributed component fails, abort if it's requested via command line switch

This commit was SVN r25814.

config/ompi_contrib.m4

@@ -121,6 +121,13 @@ AC_DEFUN([_OMPI_CONTRIB_CONFIGURE],[
             AC_MSG_RESULT([yes])
         else
             AC_MSG_RESULT([no])
+
+            # If this component was requested via command line switch, then abort.
+            if test "x$enable_$1" = xyes ; then
+                AC_MSG_WARN([Contributed component "$1" failed to configure properly])
+                AC_MSG_WARN([This component was requested via command line switch])
+                AC_MSG_ERROR([Cannot continue])
+            fi
         fi
     else
         AC_MSG_NOTICE([disabled via command line switch])

ompi/contrib/vt/configure.m4

@@ -52,9 +52,13 @@ AC_DEFUN([OMPI_contrib_vt_CONFIG],[
             AC_WARN([*** Please re-configure Open MPI to use the STLport4])
             AC_WARN([*** by adding the compiler flag -library=stlport4])
             AC_WARN([*** to CXXFLAGS.])
+            if test "x$enable_vt" != xyes; then
                 AC_WARN([*** Pausing to give you time to read this message...])
+            fi
             AC_WARN([***********************************************************])
+            if test "x$enable_vt" != xyes; then
                 sleep 10
+            fi
             contrib_vt_happy=0
         ])
         AC_LANG_POP(C++)