blob: 9c77f9bd0d4969b8cae68f4a2321a42159b03a61 [file] [log] [blame]
# unistd_h.m4 serial 2
dnl Copyright (C) 2006 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 Written by Simon Josefsson
AC_DEFUN([gl_HEADER_UNISTD],
[
dnl Prerequisites of lib/unistd.h.
AC_CHECK_HEADERS([unistd.h], [
UNISTD_H=''
], [
UNISTD_H='unistd.h'
])
AC_SUBST(UNISTD_H)
])