Support to handle platforms which do not define RLIMIT_MEMLOCK

This commit was SVN r20035.

configure.ac

@@ -1016,6 +1016,16 @@ AC_INCLUDES_DEFAULT
 #include <sys/resource.h>
 #endif]) 
 
+#
+# Do we have RLIMIT_MEMLOCK in <sys/resources.h>? (e.g., Solaris does not)
+#
+
+AC_CHECK_DECLS([RLIMIT_MEMLOCK], [], [], [
+AC_INCLUDES_DEFAULT
+#if HAVE_SYS_RESOURCE_H
+#include <sys/resource.h>
+#endif]) 
+
 # checkpoint results
 AC_CACHE_SAVE
 

ompi/mca/btl/openib/btl_openib.c

@@ -15,6 +15,7 @@
  * Copyright (c) 2006-2007 Los Alamos National Security, LLC.  All rights
  *                         reserved.
  * Copyright (c) 2006-2007 Voltaire All rights reserved.
+ * Copyright (c) 2008      Sun Microsystems, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -106,7 +107,11 @@ static void show_init_error(const char *file, int line,
         struct rlimit limit;
         char *str_limit = NULL;
 
+#if HAVE_DECL_RLIMIT_MEMLOCK
         ret = getrlimit(RLIMIT_MEMLOCK, &limit);
+#else
+        ret = -1;
+#endif
         if (0 != ret) {
             asprintf(&str_limit, "Unknown");
         } else if (limit.rlim_cur == RLIM_INFINITY) {