trunk/automake/am-wrapper-5.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-1.12)
# - runs automake-1.12 if:
#   - envvar WANT_AUTOMAKE is set to `1.12'
#     -or-
#   - `Makefile.in' was generated by automake-1.12
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.12
# - runs automake-1.11 if:
#   - envvar WANT_AUTOMAKE is set to `1.11'
#     -or-
#   - `Makefile.in' was generated by automake-1.11
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 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="1.12 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-1.12)
12	# - runs automake-1.12 if:
13	# - envvar WANT_AUTOMAKE is set to `1.12'
14	# -or-
15	# - `Makefile.in' was generated by automake-1.12
16	# -or-
17	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.12
18	# - runs automake-1.11 if:
19	# - envvar WANT_AUTOMAKE is set to `1.11'
20	# -or-
21	# - `Makefile.in' was generated by automake-1.11
22	# -or-
23	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.11
24	# - runs automake-1.10 if:
25	# - envvar WANT_AUTOMAKE is set to `1.10'
26	# -or-
27	# - `Makefile.in' was generated by automake-1.10
28	# -or-
29	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.10
30	# - runs automake-1.9 if:
31	# - envvar WANT_AUTOMAKE is set to `1.9'
32	# -or-
33	# - `Makefile.in' was generated by automake-1.9
34	# -or-
35	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.9
36	# - runs automake-1.8 if:
37	# - envvar WANT_AUTOMAKE is set to `1.8'
38	# -or-
39	# - `Makefile.in' was generated by automake-1.8
40	# -or-
41	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.8
42	# - runs automake-1.7 if:
43	# - envvar WANT_AUTOMAKE is set to `1.7'
44	# -or-
45	# - `Makefile.in' was generated by automake-1.7
46	# -or-
47	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.7
48	# - runs automake-1.6 if:
49	# - envvar WANT_AUTOMAKE is set to `1.6'
50	# -or-
51	# - `Makefile.in'
52	# -or-
53	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.6
54	# - runs automake-1.5 if:
55	# - envvar WANT_AUTOMAKE is set to `1.5'
56	# -or-
57	# - `Makefile.in' was generated by automake-1.5
58	# -or-
59	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.5
60	# - runs automake-1.4 if:
61	# - envvar WANT_AUTOMAKE is set to `1.4'
62	# -or-
63	# - `Makefile.in' was generated by automake-1.4
64	# -or-
65	# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.4
66
67	if [ "${0##*/}" = "am-wrapper.sh" ] ; then
68	echo "Don't call this script directly." >&2
69	exit 1
70	fi
71
72	vers="1.12 1.11 1.10 1.9 1.8 1.7 1.6 1.5 1.4"
73
74	#
75	# Export the proper variable/versions and try to locate a usuable
76	# default (newer versions are preferred)
77	#
78	binary=""
79	for v in ${vers} ; do
80	eval binary_${v/./_}="${0}-${v}"
81
82	if [ -z "${binary}" ] && [ -x "${0}-${v}" ] ; then
83	binary="${0}-${v}"
84	fi
85	done
86	if [ -z "${binary}" ] ; then
87	echo "am-wrapper: Unable to locate any usuable version of automake." >&2
88	echo " I tried these versions: ${vers}" >&2
89	echo " With a base name of '${0}'." >&2
90	exit 1
91	fi
92
93	#
94	# Check the WANT_AUTOMAKE setting. We accept a whitespace delimited
95	# list of automake versions.
96	#
97	if [ -n "${WANT_AUTOMAKE}" ] ; then
98	for v in ${vers} x ; do
99	if [ "${v}" = "x" ] ; then
100	echo "am-wrapper: warning: invalid WANT_AUTOMAKE '${WANT_AUTOMAKE}'; ignoring." >&2
101	unset WANT_AUTOMAKE
102	break
103	fi
104
105	for wx in ${WANT_AUTOMAKE} ; do
106	if [ "${wx}" = "${v}" ] ; then
107	binary="binary_${v/./_}"
108	binary="${!binary}"
109	v="x"
110	fi
111	done
112	[ "${v}" = "x" ] && break
113	done
114	fi
115
116	#
117	# autodetect helpers
118	#
119	do_awk() {
120	local file=$1 ; shift
121	local arg=$1 ; shift
122	echo $(gawk "{ if (match(\$0, \"$*\", res)) { print res[${arg}]; exit } }" ${file})
123	}
124
125	#
126	# autodetect routine
127	#
128	if [ -z "${WANT_AUTOMAKE}" ] ; then
129	if [ -r "Makefile.in" ] ; then
130	confversion_mf=$(do_awk Makefile.in 2 "^# Makefile.in generated (automatically )?by automake ([0-9].[0-9]+)")
131	fi
132	if [ -r "aclocal.m4" ] ; then
133	confversion_ac=$(do_awk aclocal.m4 1 'generated automatically by aclocal ([0-9].[0-9]+)')
134	confversion_am=$(do_awk aclocal.m4 1 '[[:space:]]\\[?AM_AUTOMAKE_VERSION\\(\\[?([0-9].[0-9]+)[^)]\\]?\\)')
135	fi
136
137	for v in ${vers} ; do
138	if [ "${confversion_mf}" = "${v}" ] \
139	\|\| [ "${confversion_ac}" = "${v}" ] \
140	\|\| [ "${confversion_am}" = "${v}" ] ; then
141	binary="binary_${v/./_}"
142	binary="${!binary}"
143	break
144	fi
145	done
146	fi
147
148	if [ "${WANT_AMWRAPPER_DEBUG}" ] ; then
149	if [ "${WANT_AUTOMAKE}" ] ; then
150	echo "am-wrapper: DEBUG: WANT_AUTOMAKE is set to ${WANT_AUTOMAKE}" >&2
151	fi
152	echo "am-wrapper: DEBUG: will execute <$binary>" >&2
153	fi
154
155	#
156	# for further consistency
157	#
158	for v in ${vers} ; do
159	mybin="binary_${v/./_}"
160	if [ "${binary}" = "${!mybin}" ] ; then
161	export WANT_AUTOMAKE="${v}"
162	fi
163	done
164
165	#
166	# Now try to run the binary
167	#
168	if [ ! -x "${binary}" ] ; then
169	echo "am-wrapper: $binary is missing or not executable." >&2
170	echo " Please try emerging the correct version of automake." >&2
171	exit 1
172	fi
173
174	exec "$binary" "$@"
175
176	echo "am-wrapper: was unable to exec $binary !?" >&2
177	exit 1