refs trac:405

* Make sure to AC_SUBST the backtrace CFLAGS so that the right flags
    are passed to the component (especially -m64)
  * Properly open / close the component.  This isn't strictly necessary
    to fix the bug, but was an oversight that should be fixed.

This commit was SVN r11806.

The following Trac tickets were found above:
  Ticket 405 --> https://svn.open-mpi.org/trac/ompi/ticket/405

opal/mca/backtrace/base/backtrace_component.c

@@ -62,8 +62,7 @@ opal_backtrace_base_open(void)
 int
 opal_backtrace_base_close(void)
 {
-    /* Close all components that are still open (this should only
-       happen during laminfo). */
+    /* Close all components that are still open */
     mca_base_components_close(0, 
                               &opal_backtrace_base_components_opened, 
                               NULL);

opal/mca/backtrace/darwin/configure.m4

@@ -43,6 +43,7 @@ AC_DEFUN([MCA_backtrace_darwin_CONFIG],[
            AC_CHECK_FUNCS([mach_vm_region mach_vm_read])])
 
     backtrace_darwin_CFLAGS="`echo $CFLAGS | sed 's/-pedantic//g'`"
+    AC_SUBST([backtrace_darwin_CFLAGS])
 
     AS_IF([test "$backtrace_darwin_happy" = "yes"], 
           [$1], [$2])

opal/runtime/opal_finalize.c

@@ -32,6 +32,7 @@
 #include "opal/constants.h"
 #include "opal/mca/memcpy/base/base.h"
 #include "opal/mca/memory/base/base.h"
+#include "opal/mca/backtrace/base/base.h"
 #include "opal/mca/timer/base/base.h"
 #include "opal/mca/paffinity/base/base.h"
 
@@ -80,6 +81,8 @@ opal_finalize(void)
     /* close high resolution timers */
     opal_timer_base_close();
 
+    opal_backtrace_base_close();
+
     /* close the memory manager components.  Registered hooks can
        still be fired any time between now and the call to
        opal_mem_free_finalize(), and callbacks from the memory manager

opal/runtime/opal_init.c

@@ -31,6 +31,7 @@
 #include "opal/mca/memcpy/base/base.h"
 #include "opal/mca/paffinity/base/base.h"
 #include "opal/mca/timer/base/base.h"
+#include "opal/mca/backtrace/base/base.h"
 #include "opal/constants.h"
 #include "opal/util/error.h"
 #include "opal/util/stacktrace.h"
@@ -225,6 +226,11 @@ opal_init(void)
         goto return_error;
     }
 
+    if (OPAL_SUCCESS != (ret = opal_backtrace_base_open())) {
+        error = "opal_backtrace_base_open";
+        goto return_error;
+    }
+
     if (OPAL_SUCCESS != (ret = opal_timer_base_open())) {
         error = "opal_timer_base_open";
         goto return_error;