Add a simple test inspired by Ashley Pittman to double check that the

msgq DLL is at least lt_dlopen-able.

This commit was SVN r22295.

ompi/debuggers/Makefile.am

@@ -19,6 +19,8 @@
 
 noinst_LTLIBRARIES = libdebuggers.la libompi_debugger_canary.la
 pkglib_LTLIBRARIES = libompi_dbg_msgq.la
+check_PROGRAMS = dlopen_test
+TESTS = $(check_PROGRAMS)
 
 # This is not quite in the Automake spirit, but we have to do it.
 # Since the totalview portion of the library must be built with -g, we
@@ -36,6 +38,11 @@ headers = \
         ompi_common_dll_defs.h \
         msgq_interface.h ompi_msgq_dll_defs.h
 
+# Simple checks to ensure that the DSOs are functional
+
+dlopen_test_SOURCES = dlopen_test.c
+dlopen_test_LDADD = $(top_builddir)/opal/libltdl/libltdlc.la
+
 libdebuggers_la_SOURCES = \
         $(headers) \
         ompi_debuggers.c

ompi/debuggers/dlopen_test.c

@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2009 Cisco Systems, Inc.  All rights reserved.
+ * $COPYRIGHT$
+ *
+ * Additional copyrights may follow
+ *
+ * $HEADER$
+ */
+
+#include "opal_config.h"
+
+#include <stdio.h>
+#include "opal/libltdl/ltdl.h"
+
+int main(int argc, char *argv[])
+{
+    char *filename = "./libompi_dbg_msgq";
+    lt_dlhandle dlhandle;
+
+#if OPAL_HAVE_LTDL_ADVISE
+    lt_dladvise dladvise;
+#endif
+
+    if (lt_dlinit() != 0) {
+        printf("Failed to lt_dlinit\n");
+        return 1;
+    }
+
+    printf("Trying to lt_dlopen file with dladvise_local: %s\n", filename);
+
+#if OPAL_HAVE_LTDL_ADVISE
+    if (lt_dladvise_init(&dladvise) ||
+        lt_dladvise_ext(&dladvise) ||
+        lt_dladvise_local(&dladvise)) {
+        printf("lt_dladvise failed to initialize properly\n");
+        return 1;
+    }
+    dlhandle = lt_dlopenadvise(filename, dladvise);
+    lt_dladvise_destroy(&dladvise);
+#else
+    dlhandle = lt_dlopenext(filename);
+#endif
+    if (NULL != dlhandle) {
+        lt_dlclose(dlhandle);
+	printf("File opened with dladvise_local, all passed\n");
+        return 0;
+    }
+
+    printf("Failed to open with dladvise_local: %s\n", lt_dlerror());
+    printf("Retrying with dladvise_global\n");
+
+#if OPAL_HAVE_LTDL_ADVISE
+    if (lt_dladvise_init(&dladvise) ||
+        lt_dladvise_ext(&dladvise) ||
+        lt_dladvise_global(&dladvise)) {
+        printf("lt_dladvise failed to initialize properly\n");
+        return 1;
+    }
+    dlhandle = lt_dlopenadvise(filename, dladvise);
+    lt_dladvise_destroy(&dladvise);
+#else
+    dlhandle = lt_dlopenext(filename);
+#endif
+    if (NULL != dlhandle) {
+        lt_dlclose(dlhandle);
+	printf("File opened with dladvise_global\n");
+	return 1;
+    }
+    printf("File failed to opene with dladvise_global: %s\n", lt_dlerror());
+
+    return 2;
+}