Split the pmix external component into one for the 1.1.4 release, and another for the upcoming 2.0 release. Clean up the configury so the components look for a series-specific function instead of running a program.

NOTE: the changes for the 2.0 series are not yet in the PMIx master.

Author: Ralph Castain

config/opal_check_pmi.m4

@@ -227,12 +227,6 @@ AC_DEFUN([OPAL_CHECK_PMI],[
 
 AC_DEFUN([OPAL_CHECK_PMIX],[
 
-    opal_pmix_ext_CPPFLAGS=
-    opal_pmix_ext_LDFLAGS=
-    opal_pmix_ext_LIBS=
-
-    OPAL_VAR_SCOPE_PUSH([pmix_ext_install_dir opal_pmix_CPPFLAGS_save opal_pmix_LDFLAGS_save opal_pmix_LIBS_save opal_pmix_LD_LIBRARY_PATH_save])
-
     AC_ARG_WITH([pmix],
                 [AC_HELP_STRING([--with-pmix(=DIR)],
                                 [Build PMIx support.  DIR can take one of three values: "internal", "external", or a valid directory name.  "internal" (or no DIR value) forces Open MPI to use its internal copy of PMIx.  "external" forces Open MPI to use an external installation of PMIx.  Supplying a valid directory name also forces Open MPI to use an external installation of PMIx, and adds DIR/include, DIR/lib, and DIR/lib64 to the search path for headers and libraries. Note that Open MPI does not support --without-pmix.])])
@@ -246,7 +240,7 @@ AC_DEFUN([OPAL_CHECK_PMIX],[
     AC_MSG_CHECKING([if user requested external PMIx support($with_pmix)])
     AS_IF([test -z "$with_pmix" || test "$with_pmix" = "yes" || test "$with_pmix" = "internal"],
           [AC_MSG_RESULT([no])
-           opal_external_pmix_happy="no"],
+           opal_external_pmix_happy=no],
           [AC_MSG_RESULT([yes])
            # check for external pmix lib */
            AS_IF([test "$with_pmix" = "external"],
@@ -255,80 +249,6 @@ AC_DEFUN([OPAL_CHECK_PMIX],[
            # Make sure we have the headers and libs in the correct location
            OPAL_CHECK_WITHDIR([external-pmix], [$pmix_ext_install_dir/include], [pmix.h])
            OPAL_CHECK_WITHDIR([external-libpmix], [$pmix_ext_install_dir/lib], [libpmix.*])
-           AC_MSG_CHECKING([if external component can be used])
-           OPAL_CHECK_PACKAGE([opal_pmix_ext],
-                              [pmix.h],
-                              [pmix],
-                              [PMIx_Init],
-                              [],
-                              [$pmix_ext_install_dir],
-                              [$pmix_ext_install_dir/lib],
-                              [AC_MSG_RESULT([PMIx external support will be built])
-                               opal_external_pmix_happy=yes],
-                              [opal_external_pmix_happy="no"
-                               AC_MSG_RESULT([no])
-                               AC_MSG_WARN([External PMIx support was requested but failed])
-                               AC_MSG_WARN([as explained above.])
-                               AC_MSG_ERROR([Cannot continue])])
-           # Check the version
-           opal_external_pmix_version="unknown"
-           opal_pmix_CPPFLAGS_save=$CPPFLAGS
-           opal_pmix_LDFLAGS_save=$LDFLAGS
-           opal_pmix_LIBS_save=$LIBS
-           LD_LIBRARY_PATH_orig=$opal_pmix_LD_LIBRARY_PATH_save
-
-           CPPFLAGS=$opal_pmix_ext_CPPFLAGS
-           LDFLAGS=$opal_pmix_ext_LDFLAGS
-           LIBS=$opal_pmix_ext_LIBS
-           LD_LIBRARY_PATH=$pmix_ext_install_dir/lib:$LD_LIBRARY_PATH
-           export LD_LIBRARY_PATH
-
-          AC_MSG_CHECKING([PMIx library version])
-          AC_RUN_IFELSE([
-              AC_LANG_SOURCE([
-#include <stdio.h>
-#include <stdlib.h>
-#include <pmix.h>
-#include <pmix/pmix_common.h>
-
-int main(int argc, char **argv)
-{
-    const char * version = NULL;
-    FILE *f = NULL;
+           opal_external_pmix_happy=yes])
 
-    f = fopen("conftestval", "w");
-    if( !f ) exit(1);
-    version = PMIx_Get_version();
-    fprintf(f, "%s", version);
-    fclose(f);
-
-    return 0;
-}
-             ])], [
-                 eval opal_external_pmix_version=`cat conftestval`
-                 AC_MSG_RESULT([$opal_external_pmix_version])
-             ], [
-                 LD_LIBRARY_PATH=$opal_pmix_LD_LIBRARY_PATH_save
-                 export LD_LIBRARY_PATH
-                 opal_external_pmix_happy="no"
-                 AC_MSG_ERROR([External PMIx support requested but could not build/run a test program. Aborting])
-             ], [
-                 LD_LIBRARY_PATH=$opal_pmix_LD_LIBRARY_PATH_save
-                 export LD_LIBRARY_PATH
-                 opal_external_pmix_happy="no"
-                 AC_MSG_ERROR([External PMIx disabled for cross compile. Aborting])
-         ])
-         CPPFLAGS=$opal_pmix_CPPFLAGS_save
-         LDFLAGS=$opal_pmix_LDFLAGS_save
-         LIBS=$opal_pmix_LIBS_save
-         LD_LIBRARY_PATH=$opal_pmix_LD_LIBRARY_PATH_save
-
-         opal_external_pmix_happy="yes"
-    ])
-
-    AC_SUBST(opal_pmix_ext_CPPFLAGS)
-    AC_SUBST(opal_pmix_ext_LDFLAGS)
-    AC_SUBST(opal_pmix_ext_LIBS)
-
-    OPAL_VAR_SCOPE_POP
 ])

opal/mca/pmix/external/Makefile.am renamed to opal/mca/pmix/ext114/Makefile.am

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2014-2015 Intel, Inc.  All rights reserved.
+# Copyright (c) 2014-2016 Intel, Inc.  All rights reserved.
 # Copyright (c) 2015      Cisco Systems, Inc.  All rights reserved.
 # Copyright (c) 2014-2015 Mellanox Technologies, Inc.
 #                         All rights reserved.
@@ -22,25 +22,25 @@ sources = \
 # mca_<type>_<name>.la (for DSO builds) or libmca_<type>_<name>.la
 # (for static builds).
 
-if MCA_BUILD_opal_pmix_external_DSO
+if MCA_BUILD_opal_pmix_ext114_DSO
 component_noinst =
-component_install = mca_pmix_external.la
+component_install = mca_pmix_ext114.la
 else
-component_noinst = libmca_pmix_external.la
+component_noinst = libmca_pmix_ext114.la
 component_install =
 endif
 
 mcacomponentdir = $(opallibdir)
 mcacomponent_LTLIBRARIES = $(component_install)
-mca_pmix_external_la_SOURCES = $(sources)
-mca_pmix_external_la_CFLAGS =
-mca_pmix_external_la_CPPFLAGS = $(opal_pmix_ext_CPPFLAGS)
-mca_pmix_external_la_LDFLAGS = -module -avoid-version $(opal_pmix_ext_LDFLAGS)
-mca_pmix_external_la_LIBADD = $(opal_pmix_ext_LIBS)
+mca_pmix_ext114_la_SOURCES = $(sources)
+mca_pmix_ext114_la_CFLAGS =
+mca_pmix_ext114_la_CPPFLAGS = $(opal_pmix_ext114_CPPFLAGS)
+mca_pmix_ext114_la_LDFLAGS = -module -avoid-version $(opal_pmix_ext114_LDFLAGS)
+mca_pmix_ext114_la_LIBADD = $(opal_pmix_ext114_LIBS)
 
 noinst_LTLIBRARIES = $(component_noinst)
-libmca_pmix_external_la_SOURCES =$(sources)
-libmca_pmix_external_la_CFLAGS =
-libmca_pmix_external_la_CPPFLAGS = $(opal_pmix_ext_CPPFLAGS)
-libmca_pmix_external_la_LDFLAGS = -module -avoid-version $(opal_pmix_ext_LDFLAGS)
-libmca_pmix_external_la_LIBADD = $(opal_pmix_ext_LIBS)
+libmca_pmix_ext114_la_SOURCES =$(sources)
+libmca_pmix_ext114_la_CFLAGS =
+libmca_pmix_ext114_la_CPPFLAGS = $(opal_pmix_ext114_CPPFLAGS)
+libmca_pmix_ext114_la_LDFLAGS = -module -avoid-version $(opal_pmix_ext114_LDFLAGS)
+libmca_pmix_ext114_la_LIBADD = $(opal_pmix_ext114_LIBS)

opal/mca/pmix/ext114/configure.m4

@@ -0,0 +1,73 @@
+# -*- shell-script -*-
+#
+# Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
+#                         University Research and Technology
+#                         Corporation.  All rights reserved.
+# Copyright (c) 2004-2005 The University of Tennessee and The University
+#                         of Tennessee Research Foundation.  All rights
+#                         reserved.
+# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
+#                         University of Stuttgart.  All rights reserved.
+# Copyright (c) 2004-2005 The Regents of the University of California.
+#                         All rights reserved.
+# Copyright (c) 2011-2013 Los Alamos National Security, LLC.
+#                         All rights reserved.
+# Copyright (c) 2010-2015 Cisco Systems, Inc.  All rights reserved.
+# Copyright (c) 2013-2016 Intel, Inc. All rights reserved.
+# Copyright (c) 2015      Research Organization for Information Science
+#                         and Technology (RIST). All rights reserved.
+# Copyright (c) 2014-2015 Mellanox Technologies, Inc.
+#                         All rights reserved.
+# $COPYRIGHT$
+#
+# Additional copyrights may follow
+#
+# $HEADER$
+#
+
+# MCA_pmix_ext114_CONFIG([action-if-found], [action-if-not-found])
+# -----------------------------------------------------------
+AC_DEFUN([MCA_opal_pmix_ext114_CONFIG],[
+    AC_CONFIG_FILES([opal/mca/pmix/ext114/Makefile])
+
+    AC_REQUIRE([OPAL_CHECK_PMIX])
+
+    AS_IF([test "$opal_external_pmix_happy" = "yes"],
+          [AS_IF([test "$opal_event_external_support" != "yes"],
+                 [AC_MSG_WARN([EXTERNAL PMIX SUPPORT REQUIRES USE OF EXTERNAL LIBEVENT])
+                  AC_MSG_WARN([LIBRARY. THIS LIBRARY MUST POINT TO THE SAME ONE USED])
+                  AC_MSG_WARN([TO BUILD PMIX OR ELSE UNPREDICTABLE BEHAVIOR MAY RESULT])
+                  AC_MSG_ERROR([PLEASE CORRECT THE CONFIGURE COMMAND LINE AND REBUILD])])
+           AS_IF([test "$opal_hwloc_external_support" != "yes"],
+                 [AC_MSG_WARN([EXTERNAL PMIX SUPPORT REQUIRES USE OF EXTERNAL HWLOC])
+                  AC_MSG_WARN([LIBRARY THIS LIBRARY MUST POINT TO THE SAME ONE USED ])
+                  AC_MSG_WARN([TO BUILD PMIX OR ELSE UNPREDICTABLE BEHAVIOR MAY RESULT])
+                  AC_MSG_ERROR([PLEASE CORRECT THE CONFIGURE COMMAND LINE AND REBUILD])])
+           external_WRAPPER_EXTRA_CPPFLAGS='-I${includedir}/openmpi/$opal_pmix_external_basedir/pmix -I${includedir}/openmpi/$opal_pmix_external_basedir/pmix/include'
+           # check for the 1.1.4 version by looking for a function
+           # which was later removed
+           AC_MSG_CHECKING([if external component is version 1.1.4])
+           OPAL_CHECK_PACKAGE([opal_pmix_ext114],
+                              [pmix.h],
+                              [pmix],
+                              [PMIx_Register_errhandler],
+                              [-lpmix],
+                              [$pmix_ext_install_dir],
+                              [$pmix_ext_install_dir/lib],
+                              [AC_MSG_RESULT([yes])
+                               opal_pmix_external_114_happy=yes],
+                              [AC_MSG_RESULT([no])
+                               opal_pmix_external_114_happy=no])
+
+           AC_SUBST(opal_pmix_ext114_CPPFLAGS)
+           AC_SUBST(opal_pmix_ext114_LDFLAGS)
+           AC_SUBST(opal_pmix_ext114_LIBS)
+
+           AS_IF([test "$opal_pmix_external_114_happy" = "yes"],
+                 [$1
+                 # need to set the wrapper flags for static builds
+                 pmix_ext114_WRAPPER_EXTRA_LDFLAGS="$opal_pmix_ext114_LDFLAGS"
+                 pmix_ext114_WRAPPER_EXTRA_LIBS="$opal_pmix_ext114_LIBS"],
+                 [$2])],
+          [$2])
+])dnl

opal/mca/pmix/external/pmix_ext.c renamed to opal/mca/pmix/ext114/pmix_ext.c

@@ -1,6 +1,6 @@
 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
 /*
- * Copyright (c) 2014-2015 Intel, Inc.  All rights reserved.
+ * Copyright (c) 2014-2016 Intel, Inc.  All rights reserved.
  * Copyright (c) 2014-2016 Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
  * Copyright (c) 2014-2015 Mellanox Technologies, Inc.
@@ -48,7 +48,7 @@
 static const char *pmix1_get_nspace(opal_jobid_t jobid);
 static void pmix1_register_jobid(opal_jobid_t jobid, const char *nspace);
 
-const opal_pmix_base_module_t opal_pmix_external_module = {
+const opal_pmix_base_module_t opal_pmix_ext114_module = {
     /* client APIs */
     .init = pmix1_client_init,
     .finalize = pmix1_client_finalize,
@@ -99,7 +99,7 @@ static const char *pmix1_get_nspace(opal_jobid_t jobid)
 {
     opal_pmix1_jobid_trkr_t *jptr;
 
-    OPAL_LIST_FOREACH(jptr, &mca_pmix_external_component.jobids, opal_pmix1_jobid_trkr_t) {
+    OPAL_LIST_FOREACH(jptr, &mca_pmix_ext114_component.jobids, opal_pmix1_jobid_trkr_t) {
         if (jptr->jobid == jobid) {
             return jptr->nspace;
         }
@@ -112,15 +112,15 @@ static void pmix1_register_jobid(opal_jobid_t jobid, const char *nspace)
     opal_pmix1_jobid_trkr_t *jptr;
 
     /* if we don't already have it, add this to our jobid tracker */
-    OPAL_LIST_FOREACH(jptr, &mca_pmix_external_component.jobids, opal_pmix1_jobid_trkr_t) {
+    OPAL_LIST_FOREACH(jptr, &mca_pmix_ext114_component.jobids, opal_pmix1_jobid_trkr_t) {
         if (jptr->jobid == jobid) {
             return;
         }
     }
     jptr = OBJ_NEW(opal_pmix1_jobid_trkr_t);
     (void)strncpy(jptr->nspace, nspace, PMIX_MAX_NSLEN);
     jptr->jobid = jobid;
-    opal_list_append(&mca_pmix_external_component.jobids, &jptr->super);
+    opal_list_append(&mca_pmix_ext114_component.jobids, &jptr->super);
 }
 
 pmix_status_t pmix1_convert_opalrc(int rc)

opal/mca/pmix/external/pmix_ext.h renamed to opal/mca/pmix/ext114/pmix_ext.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2015 Intel, Inc.  All rights reserved.
+ * Copyright (c) 2014-2016 Intel, Inc.  All rights reserved.
  * Copyright (c) 2014-2015 Mellanox Technologies, Inc.
  *                         All rights reserved.
  * Copyright (c) 2016      Research Organization for Information Science
@@ -11,8 +11,8 @@
  * $HEADER$
  */
 
-#ifndef MCA_PMIX_EXTERNAL_H
-#define MCA_PMIX_EXTERNAL_H
+#ifndef MCA_PMIX_EXT114_H
+#define MCA_PMIX_EXT114_H
 
 #include "opal_config.h"
 
@@ -38,11 +38,11 @@ typedef struct {
   opal_pmix_base_component_t super;
   opal_list_t jobids;
   bool native_launch;
-} mca_pmix_external_component_t;
+} mca_pmix_ext114_component_t;
 
-OPAL_DECLSPEC extern mca_pmix_external_component_t mca_pmix_external_component;
+OPAL_DECLSPEC extern mca_pmix_ext114_component_t mca_pmix_ext114_component;
 
-OPAL_DECLSPEC extern const opal_pmix_base_module_t opal_pmix_external_module;
+OPAL_DECLSPEC extern const opal_pmix_base_module_t opal_pmix_ext114_module;
 
 /****  INTERNAL OBJECTS  ****/
 typedef struct {