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# 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)
])
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