add test case for load-extension bug, fix gdb-uninstalled-guile

* test-suite/standalone/test-extensions:
* test-suite/standalone/test-extensions-lib.c:
* test-suite/standalone/Makefile.am: Add a test case for the
  load-extension bug.

* meta/gdb-uninstalled-guile.in: Fix the path to include meta/.

meta/gdb-uninstalled-guile.in

@@ -34,5 +34,5 @@
 set -e
 # env (set by configure)
 top_builddir="@top_builddir_absolute@"
-exec ${top_builddir}/uninstalled-env libtool --mode=execute \
+exec ${top_builddir}/meta/uninstalled-env libtool --mode=execute \
     gdb --args ${top_builddir}/libguile/guile "$@"

test-suite/standalone/Makefile.am

@@ -125,6 +125,15 @@ test_scm_take_locale_symbol_LDADD = ${top_builddir}/libguile/libguile.la
 check_PROGRAMS += test-scm-take-locale-symbol
 TESTS += test-scm-take-locale-symbol
 
+# test-extensions
+noinst_LTLIBRARIES += libtest-extensions.la
+libtest_extensions_la_SOURCES = test-extensions-lib.c
+libtest_extensions_la_CFLAGS = ${test_cflags}
+libtest_extensions_la_LDFLAGS = -no-undefined -rpath `pwd` # so libtool will really build an .so
+libtest_extensions_la_LIBADD = ${top_builddir}/libguile/libguile.la
+check_SCRIPTS += test-extensions
+TESTS += test-extensions
+
 
 if BUILD_PTHREAD_SUPPORT
 

test-suite/standalone/test-extensions

@@ -0,0 +1,14 @@
+#!/bin/sh
+exec guile -q -s "$0" "$@"
+!#
+
+(load-extension "libtest-extensions" "libtest_extensions_init")
+(load-extension "libtest-extensions" "libtest_extensions_init2")
+
+(or (= init2-count 1)
+    (error "init2 called more or less than one time"))
+
+
+;; Local Variables:
+;; mode: scheme
+;; End:

test-suite/standalone/test-extensions-lib.c

@@ -0,0 +1,43 @@
+/* Copyright (C) 1999,2000,2001,2003, 2006, 2008 Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <libguile.h>
+
+SCM init2_count;
+
+void libtest_extensions_init2 (void);
+void libtest_extensions_init (void);
+
+void
+libtest_extensions_init2 (void)
+{
+  scm_variable_set_x (init2_count,
+                      scm_from_int (scm_to_int (scm_variable_ref (init2_count)) + 1));
+}
+
+void
+libtest_extensions_init (void)
+{
+  scm_c_define ("init2-count", scm_from_int (0));
+  init2_count = scm_permanent_object (scm_c_lookup ("init2-count"));
+  scm_c_register_extension ("libtest-extensions", "libtest_extensions_init2",
+                            (scm_t_extension_init_func)libtest_extensions_init2, NULL);
+}