-# canonicalize.m4 serial 16
+# canonicalize.m4 serial 19
-dnl Copyright (C) 2003-2007, 2009 Free Software Foundation, Inc.
+dnl Copyright (C) 2003-2007, 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,
# Provides canonicalize_file_name and realpath.
AC_DEFUN([gl_CANONICALIZE_LGPL],
[
+ AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
AC_REQUIRE([gl_CANONICALIZE_LGPL_SEPARATE])
if test $ac_cv_func_canonicalize_file_name = no; then
HAVE_CANONICALIZE_FILE_NAME=0
])
# Like gl_CANONICALIZE_LGPL, except prepare for separate compilation
-# (no AC_LIBOBJ).
+# (no REPLACE_CANONICALIZE_FILE_NAME, no REPLACE_REALPATH, no AC_LIBOBJ).
AC_DEFUN([gl_CANONICALIZE_LGPL_SEPARATE],
[
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
touch conftest.a
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
+ ]GL_NOCRASH[
#include <stdlib.h>
]], [[
- char *name1 = realpath ("conftest.a", NULL);
- char *name2 = realpath ("conftest.b/../conftest.a", NULL);
- char *name3 = realpath ("conftest.a/", NULL);
- return !(name1 && *name1 == '/' && !name2 && !name3);
+ int result = 0;
+ {
+ char *name = realpath ("conftest.a", NULL);
+ if (!(name && *name == '/'))
+ result |= 1;
+ }
+ {
+ char *name = realpath ("conftest.b/../conftest.a", NULL);
+ if (name != NULL)
+ result |= 2;
+ }
+ {
+ char *name = realpath ("conftest.a/", NULL);
+ if (name != NULL)
+ result |= 4;
+ }
+ return result;
]])
], [gl_cv_func_realpath_works=yes], [gl_cv_func_realpath_works=no],
[gl_cv_func_realpath_works="guessing no"])