# alphasort.m4 serial 1
dnl Copyright (C) 2009, 2010 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_DEFUN([gl_FUNC_ALPHASORT],
[
  AC_REQUIRE([gl_DIRENT_H_DEFAULTS])

  dnl Persuade glibc and Solaris <dirent.h> to declare alphasort().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_CHECK_FUNCS([alphasort])
  if test $ac_cv_func_alphasort = no; then
    HAVE_ALPHASORT=0
    AC_LIBOBJ([alphasort])
    gl_PREREQ_ALPHASORT
  fi
])

# Prerequisites of lib/alphasort.c.
AC_DEFUN([gl_PREREQ_ALPHASORT], [:])