-#serial 1
+#serial 10 -*- autoconf -*-
+dnl Copyright (C) 2002-2006, 2009-2011 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
-dnl See if the dirname function modifies its argument.
-dnl We can't just do AC_REPLACE_FUNCS(dirname) because some systems
-dnl (e.g., X/Open) have a function by that name that modifies and returns
-dnl its argument.
-AC_DEFUN(jm_FUNC_DIRNAME,
-[dnl
- AC_CACHE_CHECK([for working dirname function], jm_cv_func_working_dirname,
- [AC_TRY_RUN([
- int main ()
- {
- const char *path = "a/b";
- char *dir = dirname (path);
- exit ((dir != path && *dir == 'a' && dir[1] == 0) ? 0 : 1);
- }
- ], jm_cv_func_working_dirname=yes dnl The library version works.
- , jm_cv_func_working_dirname=no dnl The library version does NOT work.
- , jm_cv_func_working_dirname=no dnl We're cross compiling.
- )
- ])
+AC_DEFUN([gl_DIRNAME],
+[
+ AC_REQUIRE([gl_DIRNAME_LGPL])
+])
+
+AC_DEFUN([gl_DIRNAME_LGPL],
+[
+ dnl Prerequisites of lib/dirname.h.
+ AC_REQUIRE([gl_DOUBLE_SLASH_ROOT])
- if test $jm_cv_func_working_dirname = no; then
- LIBOBJS="$LIBOBJS dirname.o"
- AC_SUBST(LIBOBJS)dnl
- fi
+ dnl No prerequisites of lib/basename-lgpl.c, lib/dirname-lgpl.c,
+ dnl lib/stripslash.c.
])