Fixes trac:1057.

Ensure that the AM_CONDITIONALs are ''always'' run, even if we
--enable-mca-no-build the paffinity/linux component.

This commit was SVN r15095.

The following Trac tickets were found above:
  Ticket 1057 --> https://svn.open-mpi.org/trac/ompi/ticket/1057

opal/mca/paffinity/linux/configure.m4

@@ -23,6 +23,10 @@
 # -----------------------------------------------------------
 m4_include(opal/mca/paffinity/linux/plpa/config/plpa.m4)
 
+AC_DEFUN([MCA_paffinity_linux_POST_CONFIG],[
+    PLPA_DO_AM_CONDITIONALS
+])dnl
+
 AC_DEFUN([MCA_paffinity_linux_CONFIG],[
     PLPA_SET_SYMBOL_PREFIX([opal_paffinity_linux_plpa_])
     PLPA_INCLUDED([opal/mca/paffinity/linux/plpa])

opal/mca/paffinity/linux/plpa/config/plpa.m4

@@ -79,9 +79,7 @@ int i = 1;],
     AS_IF([test "$happy" = "1"],
           [_PLPA_INIT($1, $2)],
           [$2])
-    AM_CONDITIONAL([PLPA_BUILD_STANDALONE], [test "$plpa_mode" = "standalone"])
-    AM_CONDITIONAL(PLPA_BUILD_FORTRAN, [test "$plpa_fortran" = "yes"])
-    AM_CONDITIONAL(PLPA_BUILD_EXECUTABLES, [test "$plpa_executables" = "yes"])
+    PLPA_DO_AM_CONDITIONALS
 
     # Cleanup
     unset happy
@@ -273,3 +271,16 @@ AC_DEFUN([_PLPA_INIT],[
     $1
 ])dnl
 
+
+#-----------------------------------------------------------------------
+
+# This must be a standalone routine so that it can be called both by
+# PLPA_INIT and an external caller (if PLPA_INIT is not invoked).
+AC_DEFUN([PLPA_DO_AM_CONDITIONALS],[
+    if test "$plpa_did_am_conditionals" != "yes"; then
+        AM_CONDITIONAL([PLPA_BUILD_STANDALONE], [test "$plpa_mode" = "standalone"])
+        AM_CONDITIONAL(PLPA_BUILD_FORTRAN, [test "$plpa_fortran" = "yes"])
+        AM_CONDITIONAL(PLPA_BUILD_EXECUTABLES, [test "$plpa_executables" = "yes"])
+    fi
+    plpa_did_am_conditionals=yes
+])dnl