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 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.
# Prerequisites of lib/glob.*.
AC_DEFUN([gl_PREREQ_GLOB],
# Prerequisites of lib/glob.*.
AC_DEFUN([gl_PREREQ_GLOB],
-[ AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])dnl
- AC_REQUIRE([AC_GNU_SOURCE])dnl
+[
+ AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])dnl
+ AC_REQUIRE([AC_C_RESTRICT])dnl
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])dnl