trunk/automake/am-wrapper-1.sh

#!/bin/bash
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /root/magellan-cvs/src/automake/am-wrapper-1.sh,v 1.1 2007-05-08 19:28:46 niro Exp $

# Based on the am-wrapper.pl script provided by MandrakeSoft
# Rewritten in bash by Gregorio Guidi
#
# Executes the correct automake version.
#
# - defaults to automake-1.9
# - runs automake-1.8 if:
#   - envvar WANT_AUTOMAKE is set to `1.8'
#     -or-
#   - `Makefile.in' was generated by automake-1.8
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.8
# - runs automake-1.7 if:
#   - envvar WANT_AUTOMAKE is set to `1.7'
#     -or-
#   - `Makefile.in' was generated by automake-1.7
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.7
# - runs automake-1.6 if:
#   - envvar WANT_AUTOMAKE is set to `1.6'
#     -or-
#   - `Makefile.in'
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.6
# - runs automake-1.5 if:
#   - envvar WANT_AUTOMAKE is set to `1.5'
#     -or-
#   - `Makefile.in' was generated by automake-1.5
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.5
# - runs automake-1.4 if:
#   - envvar WANT_AUTOMAKE is set to `1.4'
#     -or-
#   - `Makefile.in' was generated by automake-1.4
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.4

if [ "${0##*/}" = "am-wrapper.sh" ] ; then
	echo "Don't call this script directly." >&2
	exit 1
fi

vers="1.9 1.8 1.7 1.6 1.5 1.4"

for v in ${vers} ; do
	eval binary_${v/./_}="${0}-${v}"
done
binary="${binary_1_9}"

#
# Check the WANT_AUTOMAKE setting
#
for v in ${vers} x ; do
	if [ "${v}" = "x" ] ; then
		unset WANT_AUTOMAKE
		break
	fi

	if [ "${WANT_AUTOMAKE}" = "${v}" ] ; then
		binary="binary_${v/./_}"
		binary="${!binary}"
		break
	fi
done

do_awk() {
	local file=$1 ; shift
	local arg=$1 ; shift
	echo $(awk "{ if (match(\$0, \"$*\", res)) { print res[${arg}]; exit } }" ${file})
}

#
# autodetect routine
#
if [ -z "${WANT_AUTOMAKE}" ] ; then
	if [ -r "Makefile.in" ] ; then
		confversion_mf=$(do_awk Makefile.in 2 "^# Makefile.in generated (automatically )?by automake ([0-9].[0-9])")
	fi
	if [ -r "aclocal.m4" ] ; then
		confversion_ac=$(do_awk aclocal.m4 1 'generated automatically by aclocal ([0-9].[0-9])')
		confversion_am=$(do_awk aclocal.m4 1 '[[:space:]]*\\[?AM_AUTOMAKE_VERSION\\(\\[?([0-9].[0-9])[^)]*\\]?\\)')
	fi

	for v in ${vers} ; do
		if [ "${confversion_mf}" = "${v}" ] \
		   || [ "${confversion_ac}" = "${v}" ] \
		   || [ "${confversion_am}" = "${v}" ] ; then
			binary="binary_${v/./_}"
			binary="${!binary}"
			break
		fi
	done
fi

if [ "${WANT_AMWRAPPER_DEBUG}" ] ; then
	if [ "${WANT_AUTOMAKE}" ] ; then
		echo "am-wrapper: DEBUG: WANT_AUTOMAKE is set to ${WANT_AUTOMAKE}" >&2
	fi
	echo "am-wrapper: DEBUG: will execute <$binary>" >&2
fi

#
# for further consistency
#
for v in ${vers} ; do
	mybin="binary_${v/./_}"
	if [ "${binary}" = "${!mybin}" ] ; then
		export WANT_AUTOMAKE="${v}"
	fi
done

#
# Now try to run the binary
#
if [ ! -x "${binary}" ] ; then
	echo "am-wrapper: $binary is missing or not executable." >&2
	echo "            Please try emerging the correct version of automake." >&2
	exit 1
fi

exec "$binary" "$@"

echo "am-wrapper: was unable to exec $binary !?" >&2
exit 1
1	#!/bin/bash
2	# Copyright 1999-2004 Gentoo Foundation
3	# Distributed under the terms of the GNU General Public License v2
4	# $Header: /root/magellan-cvs/src/automake/am-wrapper-1.sh,v 1.1 2007-05-08 19:28:46 niro Exp $
5
6	# Based on the am-wrapper.pl script provided by MandrakeSoft
7	# Rewritten in bash by Gregorio Guidi
8	#
9	# Executes the correct automake version.
10	#
11	# - defaults to automake-1.9
12	# - runs automake-1.8 if:
13	# - envvar WANT_AUTOMAKE is set to `1.8'
14	# -or-
15	# - `Makefile.in' was generated by automake-1.8
16	# -or-
17	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.8
18	# - runs automake-1.7 if:
19	# - envvar WANT_AUTOMAKE is set to `1.7'
20	# -or-
21	# - `Makefile.in' was generated by automake-1.7
22	# -or-
23	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.7
24	# - runs automake-1.6 if:
25	# - envvar WANT_AUTOMAKE is set to `1.6'
26	# -or-
27	# - `Makefile.in'
28	# -or-
29	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.6
30	# - runs automake-1.5 if:
31	# - envvar WANT_AUTOMAKE is set to `1.5'
32	# -or-
33	# - `Makefile.in' was generated by automake-1.5
34	# -or-
35	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.5
36	# - runs automake-1.4 if:
37	# - envvar WANT_AUTOMAKE is set to `1.4'
38	# -or-
39	# - `Makefile.in' was generated by automake-1.4
40	# -or-
41	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.4
42
43	if [ "${0##*/}" = "am-wrapper.sh" ] ; then
44	echo "Don't call this script directly." >&2
45	exit 1
46	fi
47
48	vers="1.9 1.8 1.7 1.6 1.5 1.4"
49
50	for v in ${vers} ; do
51	eval binary_${v/./_}="${0}-${v}"
52	done
53	binary="${binary_1_9}"
54
55	#
56	# Check the WANT_AUTOMAKE setting
57	#
58	for v in ${vers} x ; do
59	if [ "${v}" = "x" ] ; then
60	unset WANT_AUTOMAKE
61	break
62	fi
63
64	if [ "${WANT_AUTOMAKE}" = "${v}" ] ; then
65	binary="binary_${v/./_}"
66	binary="${!binary}"
67	break
68	fi
69	done
70
71	do_awk() {
72	local file=$1 ; shift
73	local arg=$1 ; shift
74	echo $(awk "{ if (match(\$0, \"$*\", res)) { print res[${arg}]; exit } }" ${file})
75	}
76
77	#
78	# autodetect routine
79	#
80	if [ -z "${WANT_AUTOMAKE}" ] ; then
81	if [ -r "Makefile.in" ] ; then
82	confversion_mf=$(do_awk Makefile.in 2 "^# Makefile.in generated (automatically )?by automake ([0-9].[0-9])")
83	fi
84	if [ -r "aclocal.m4" ] ; then
85	confversion_ac=$(do_awk aclocal.m4 1 'generated automatically by aclocal ([0-9].[0-9])')
86	confversion_am=$(do_awk aclocal.m4 1 '[[:space:]]\\[?AM_AUTOMAKE_VERSION\\(\\[?([0-9].[0-9])[^)]\\]?\\)')
87	fi
88
89	for v in ${vers} ; do
90	if [ "${confversion_mf}" = "${v}" ] \
91	\|\| [ "${confversion_ac}" = "${v}" ] \
92	\|\| [ "${confversion_am}" = "${v}" ] ; then
93	binary="binary_${v/./_}"
94	binary="${!binary}"
95	break
96	fi
97	done
98	fi
99
100	if [ "${WANT_AMWRAPPER_DEBUG}" ] ; then
101	if [ "${WANT_AUTOMAKE}" ] ; then
102	echo "am-wrapper: DEBUG: WANT_AUTOMAKE is set to ${WANT_AUTOMAKE}" >&2
103	fi
104	echo "am-wrapper: DEBUG: will execute <$binary>" >&2
105	fi
106
107	#
108	# for further consistency
109	#
110	for v in ${vers} ; do
111	mybin="binary_${v/./_}"
112	if [ "${binary}" = "${!mybin}" ] ; then
113	export WANT_AUTOMAKE="${v}"
114	fi
115	done
116
117	#
118	# Now try to run the binary
119	#
120	if [ ! -x "${binary}" ] ; then
121	echo "am-wrapper: $binary is missing or not executable." >&2
122	echo " Please try emerging the correct version of automake." >&2
123	exit 1
124	fi
125
126	exec "$binary" "$@"
127
128	echo "am-wrapper: was unable to exec $binary !?" >&2
129	exit 1