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# sysexits.m4 serial 6
dnl Copyright (C) 2003, 2005, 2007, 2009-2019 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_SYSEXITS],
[
AC_CHECK_HEADERS_ONCE([sysexits.h])
if test $ac_cv_header_sysexits_h = yes; then
HAVE_SYSEXITS_H=1
gl_CHECK_NEXT_HEADERS([sysexits.h])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sysexits.h>]],
[[switch (0)
{
case EX_OK:
case EX_USAGE:
case EX_DATAERR:
case EX_NOINPUT:
case EX_NOUSER:
case EX_NOHOST:
case EX_UNAVAILABLE:
case EX_SOFTWARE:
case EX_OSERR:
case EX_OSFILE:
case EX_CANTCREAT:
case EX_IOERR:
case EX_TEMPFAIL:
case EX_PROTOCOL:
case EX_NOPERM:
case EX_CONFIG:
break;
}
]])],
[SYSEXITS_H=],
[SYSEXITS_H=sysexits.h])
else
HAVE_SYSEXITS_H=0
SYSEXITS_H=sysexits.h
fi
AC_SUBST([HAVE_SYSEXITS_H])
AC_SUBST([SYSEXITS_H])
AM_CONDITIONAL([GL_GENERATE_SYSEXITS_H], [test -n "$SYSEXITS_H"])
])
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