-# fchdir.m4 serial 20
-dnl Copyright (C) 2006-2012 Free Software Foundation, Inc.
+# fchdir.m4 serial 21
+dnl Copyright (C) 2006-2014 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.
[
AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CHECK_DECLS_ONCE([fchdir])
if test $ac_cv_have_decl_fchdir = no; then
]], [return open(".", O_RDONLY) < 0;])],
[gl_cv_func_open_directory_works=yes],
[gl_cv_func_open_directory_works=no],
- [gl_cv_func_open_directory_works="guessing no"])])
- if test "$gl_cv_func_open_directory_works" != yes; then
- AC_DEFINE([REPLACE_OPEN_DIRECTORY], [1], [Define to 1 if open() should
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_open_directory_works="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_open_directory_works="guessing no" ;;
+ esac
+ ])])
+ case "$gl_cv_func_open_directory_works" in
+ *yes) ;;
+ *)
+ AC_DEFINE([REPLACE_OPEN_DIRECTORY], [1], [Define to 1 if open() should
work around the inability to open a directory.])
- fi
+ ;;
+ esac
fi
])