trunk/automake/am-wrapper-4.sh

#!/bin/bash
# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /root/magellan-cvs/src/automake/am-wrapper-4.sh,v 1.1 2009-05-23 21:25:25 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 newest version available (hopefully automake-1.11)
# - runs automake-1.10 if:
#   - envvar WANT_AUTOMAKE is set to `1.10'
#     -or-
#   - `Makefile.in' was generated by automake-1.10
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.10
# - runs automake-1.9 if:
#   - envvar WANT_AUTOMAKE is set to `1.9'
#     -or-
#   - `Makefile.in' was generated by automake-1.9
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 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="1.11 1.10 1.9 1.8 1.7 1.6 1.5 1.4"

#
# Export the proper variable/versions and try to locate a usuable
# default (newer versions are preferred)
#
binary=""
for v in ${vers} ; do
	eval binary_${v/./_}="${0}-${v}"

	if [ -z "${binary}" ] && [ -x "${0}-${v}" ] ; then
		binary="${0}-${v}"
	fi
done
if [ -z "${binary}" ] ; then
	echo "am-wrapper: Unable to locate any usuable version of automake." >&2
	echo "            I tried these versions: ${vers}" >&2
	echo "            With a base name of '${0}'." >&2
	exit 1
fi

#
# Check the WANT_AUTOMAKE setting.  We accept a whitespace delimited
# list of automake versions.
#
if [ -n "${WANT_AUTOMAKE}" ] ; then
	for v in ${vers} x ; do
		if [ "${v}" = "x" ] ; then
			echo "am-wrapper: warning: invalid WANT_AUTOMAKE '${WANT_AUTOMAKE}'; ignoring." >&2
			unset WANT_AUTOMAKE
			break
		fi

		for wx in ${WANT_AUTOMAKE} ; do
			if [ "${wx}" = "${v}" ] ; then
				binary="binary_${v/./_}"
				binary="${!binary}"
				v="x"
			fi
		done
		[ "${v}" = "x" ] && break
	done
fi

#
# autodetect helpers
#
do_awk() {
	local file=$1 ; shift
	local arg=$1 ; shift
	echo $(gawk "{ if (match(\$0, \"$*\", 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 1999-2006 Gentoo Foundation
3	# Distributed under the terms of the GNU General Public License v2
4	# $Header: /root/magellan-cvs/src/automake/am-wrapper-4.sh,v 1.1 2009-05-23 21:25:25 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 newest version available (hopefully automake-1.11)
12	# - runs automake-1.10 if:
13	# - envvar WANT_AUTOMAKE is set to `1.10'
14	# -or-
15	# - `Makefile.in' was generated by automake-1.10
16	# -or-
17	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.10
18	# - runs automake-1.9 if:
19	# - envvar WANT_AUTOMAKE is set to `1.9'
20	# -or-
21	# - `Makefile.in' was generated by automake-1.9
22	# -or-
23	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.9
24	# - runs automake-1.8 if:
25	# - envvar WANT_AUTOMAKE is set to `1.8'
26	# -or-
27	# - `Makefile.in' was generated by automake-1.8
28	# -or-
29	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.8
30	# - runs automake-1.7 if:
31	# - envvar WANT_AUTOMAKE is set to `1.7'
32	# -or-
33	# - `Makefile.in' was generated by automake-1.7
34	# -or-
35	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.7
36	# - runs automake-1.6 if:
37	# - envvar WANT_AUTOMAKE is set to `1.6'
38	# -or-
39	# - `Makefile.in'
40	# -or-
41	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.6
42	# - runs automake-1.5 if:
43	# - envvar WANT_AUTOMAKE is set to `1.5'
44	# -or-
45	# - `Makefile.in' was generated by automake-1.5
46	# -or-
47	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.5
48	# - runs automake-1.4 if:
49	# - envvar WANT_AUTOMAKE is set to `1.4'
50	# -or-
51	# - `Makefile.in' was generated by automake-1.4
52	# -or-
53	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.4
54
55	if [ "${0##*/}" = "am-wrapper.sh" ] ; then
56	echo "Don't call this script directly." >&2
57	exit 1
58	fi
59
60	vers="1.11 1.10 1.9 1.8 1.7 1.6 1.5 1.4"
61
62	#
63	# Export the proper variable/versions and try to locate a usuable
64	# default (newer versions are preferred)
65	#
66	binary=""
67	for v in ${vers} ; do
68	eval binary_${v/./_}="${0}-${v}"
69
70	if [ -z "${binary}" ] && [ -x "${0}-${v}" ] ; then
71	binary="${0}-${v}"
72	fi
73	done
74	if [ -z "${binary}" ] ; then
75	echo "am-wrapper: Unable to locate any usuable version of automake." >&2
76	echo " I tried these versions: ${vers}" >&2
77	echo " With a base name of '${0}'." >&2
78	exit 1
79	fi
80
81	#
82	# Check the WANT_AUTOMAKE setting. We accept a whitespace delimited
83	# list of automake versions.
84	#
85	if [ -n "${WANT_AUTOMAKE}" ] ; then
86	for v in ${vers} x ; do
87	if [ "${v}" = "x" ] ; then
88	echo "am-wrapper: warning: invalid WANT_AUTOMAKE '${WANT_AUTOMAKE}'; ignoring." >&2
89	unset WANT_AUTOMAKE
90	break
91	fi
92
93	for wx in ${WANT_AUTOMAKE} ; do
94	if [ "${wx}" = "${v}" ] ; then
95	binary="binary_${v/./_}"
96	binary="${!binary}"
97	v="x"
98	fi
99	done
100	[ "${v}" = "x" ] && break
101	done
102	fi
103
104	#
105	# autodetect helpers
106	#
107	do_awk() {
108	local file=$1 ; shift
109	local arg=$1 ; shift
110	echo $(gawk "{ if (match(\$0, \"$*\", res)) { print res[${arg}]; exit } }" ${file})
111	}
112
113	#
114	# autodetect routine
115	#
116	if [ -z "${WANT_AUTOMAKE}" ] ; then
117	if [ -r "Makefile.in" ] ; then
118	confversion_mf=$(do_awk Makefile.in 2 "^# Makefile.in generated (automatically )?by automake ([0-9].[0-9]+)")
119	fi
120	if [ -r "aclocal.m4" ] ; then
121	confversion_ac=$(do_awk aclocal.m4 1 'generated automatically by aclocal ([0-9].[0-9]+)')
122	confversion_am=$(do_awk aclocal.m4 1 '[[:space:]]\\[?AM_AUTOMAKE_VERSION\\(\\[?([0-9].[0-9]+)[^)]\\]?\\)')
123	fi
124
125	for v in ${vers} ; do
126	if [ "${confversion_mf}" = "${v}" ] \
127	\|\| [ "${confversion_ac}" = "${v}" ] \
128	\|\| [ "${confversion_am}" = "${v}" ] ; then
129	binary="binary_${v/./_}"
130	binary="${!binary}"
131	break
132	fi
133	done
134	fi
135
136	if [ "${WANT_AMWRAPPER_DEBUG}" ] ; then
137	if [ "${WANT_AUTOMAKE}" ] ; then
138	echo "am-wrapper: DEBUG: WANT_AUTOMAKE is set to ${WANT_AUTOMAKE}" >&2
139	fi
140	echo "am-wrapper: DEBUG: will execute <$binary>" >&2
141	fi
142
143	#
144	# for further consistency
145	#
146	for v in ${vers} ; do
147	mybin="binary_${v/./_}"
148	if [ "${binary}" = "${!mybin}" ] ; then
149	export WANT_AUTOMAKE="${v}"
150	fi
151	done
152
153	#
154	# Now try to run the binary
155	#
156	if [ ! -x "${binary}" ] ; then
157	echo "am-wrapper: $binary is missing or not executable." >&2
158	echo " Please try emerging the correct version of automake." >&2
159	exit 1
160	fi
161
162	exec "$binary" "$@"
163
164	echo "am-wrapper: was unable to exec $binary !?" >&2
165	exit 1