1dnl
2dnl GOB_HOOK(script if found, fail)
3dnl if fail = "failure", abort if GOB not found
4dnl
5
6
7AC_DEFUN([GOB2_HOOK],[
8	AC_PATH_PROG(GOB2,gob2)
9	if test ! x$GOB2 = x; then
10		if test ! x$1 = x; then
11			AC_MSG_CHECKING(for gob-2 >= $1)
12			g_r_ve=`echo $1|sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
13			g_r_ma=`echo $1|sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
14			g_r_mi=`echo $1|sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
15			g_ve=`$GOB2 --version 2>&1|sed 's/Gob version \([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
16			g_ma=`$GOB2 --version 2>&1|sed 's/Gob version \([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
17			g_mi=`$GOB2 --version 2>&1|sed 's/Gob version \([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
18
19			if test $g_ve -eq $g_r_ve; then
20				if test $g_ma -ge $g_r_ma; then
21					if test $g_mi -ge $g_r_mi; then
22						AC_MSG_RESULT(ok)
23					else
24						if test $g_ma -gt $g_r_ma; then
25							AC_MSG_RESULT(ok)
26						else
27							AC_MSG_ERROR("found $g_ve.$g_ma.$g_mi requires $g_r_ve.$g_r_ma.$g_r_mi")
28						fi
29					fi
30				else
31					AC_MSG_ERROR("found $g_ve.$g_ma.$g_mi requires $g_r_ve.$g_r_ma.$g_r_mi")
32				fi
33			else
34				if test $g_ve -gt $g_r_ve; then
35					AC_MSG_RESULT(ok)
36				else
37					AC_MSG_ERROR(major version $g_ve found but $g_r_ve required)
38				fi
39			fi
40
41			unset gob_version
42			unset g_ve
43			unset g_ma
44			unset g_mi
45			unset g_r_ve
46			unset g_r_ma
47			unset g_r_mi
48		fi
49		AC_SUBST(GOB2)
50		$2
51	else
52		$3
53	fi
54])
55
56AC_DEFUN([GOB2_CHECK],[
57	GOB2_HOOK($1,[],[AC_MSG_ERROR([Cannot find GOB-2, check http://www.5z.com/jirka/gob.html])])
58])
59