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	niro	821	#!/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