trunk/am-wrapper/am-wrapper.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-1.15)
# - runs automake-1.15 if:
#   - envvar WANT_AUTOMAKE is set to `1.15'
#     -or-
#   - `Makefile.in' was generated by automake-1.15
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.15
# - runs automake-1.14 if:
#   - envvar WANT_AUTOMAKE is set to `1.14'
#     -or-
#   - `Makefile.in' was generated by automake-1.14
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.14
# - runs automake-1.13 if:
#   - envvar WANT_AUTOMAKE is set to `1.13'
#     -or-
#   - `Makefile.in' was generated by automake-1.13
#     -or-
#   - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.13
# - 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="1.15 1.14 1.13 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	niro	1916	#!/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	niro	2851	# - defaults to newest version available (hopefully automake-1.15)
12			# - runs automake-1.15 if:
13			# - envvar WANT_AUTOMAKE is set to `1.15'
14			# -or-
15			# - `Makefile.in' was generated by automake-1.15
16			# -or-
17			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.15
18	niro	2168	# - runs automake-1.14 if:
19			# - envvar WANT_AUTOMAKE is set to `1.14'
20			# -or-
21			# - `Makefile.in' was generated by automake-1.14
22			# -or-
23			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.14
24	niro	2007	# - runs automake-1.13 if:
25			# - envvar WANT_AUTOMAKE is set to `1.13'
26			# -or-
27			# - `Makefile.in' was generated by automake-1.13
28			# -or-
29			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.13
30	niro	1916	# - runs automake-1.12 if:
31			# - envvar WANT_AUTOMAKE is set to `1.12'
32			# -or-
33			# - `Makefile.in' was generated by automake-1.12
34			# -or-
35			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.12
36			# - runs automake-1.11 if:
37			# - envvar WANT_AUTOMAKE is set to `1.11'
38			# -or-
39			# - `Makefile.in' was generated by automake-1.11
40			# -or-
41			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.11
42			# - runs automake-1.10 if:
43			# - envvar WANT_AUTOMAKE is set to `1.10'
44			# -or-
45			# - `Makefile.in' was generated by automake-1.10
46			# -or-
47			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.10
48			# - runs automake-1.9 if:
49			# - envvar WANT_AUTOMAKE is set to `1.9'
50			# -or-
51			# - `Makefile.in' was generated by automake-1.9
52			# -or-
53			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.9
54			# - runs automake-1.8 if:
55			# - envvar WANT_AUTOMAKE is set to `1.8'
56			# -or-
57			# - `Makefile.in' was generated by automake-1.8
58			# -or-
59			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.8
60			# - runs automake-1.7 if:
61			# - envvar WANT_AUTOMAKE is set to `1.7'
62			# -or-
63			# - `Makefile.in' was generated by automake-1.7
64			# -or-
65			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.7
66			# - runs automake-1.6 if:
67			# - envvar WANT_AUTOMAKE is set to `1.6'
68			# -or-
69			# - `Makefile.in'
70			# -or-
71			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.6
72			# - runs automake-1.5 if:
73			# - envvar WANT_AUTOMAKE is set to `1.5'
74			# -or-
75			# - `Makefile.in' was generated by automake-1.5
76			# -or-
77			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.5
78			# - runs automake-1.4 if:
79			# - envvar WANT_AUTOMAKE is set to `1.4'
80			# -or-
81			# - `Makefile.in' was generated by automake-1.4
82			# -or-
83			# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.4
84
85			if [ "${0##*/}" = "am-wrapper.sh" ] ; then
86			echo "Don't call this script directly." >&2
87			exit 1
88			fi
89
90	niro	2851	vers="1.15 1.14 1.13 1.12 1.11 1.10 1.9 1.8 1.7 1.6 1.5 1.4"
91	niro	1916
92			#
93			# Export the proper variable/versions and try to locate a usuable
94			# default (newer versions are preferred)
95			#
96			binary=""
97			for v in ${vers} ; do
98			eval binary_${v/./_}="${0}-${v}"
99
100			if [ -z "${binary}" ] && [ -x "${0}-${v}" ] ; then
101			binary="${0}-${v}"
102			fi
103			done
104			if [ -z "${binary}" ] ; then
105			echo "am-wrapper: Unable to locate any usuable version of automake." >&2
106			echo " I tried these versions: ${vers}" >&2
107			echo " With a base name of '${0}'." >&2
108			exit 1
109			fi
110
111			#
112			# Check the WANT_AUTOMAKE setting. We accept a whitespace delimited
113			# list of automake versions.
114			#
115			if [ -n "${WANT_AUTOMAKE}" ] ; then
116			for v in ${vers} x ; do
117			if [ "${v}" = "x" ] ; then
118			echo "am-wrapper: warning: invalid WANT_AUTOMAKE '${WANT_AUTOMAKE}'; ignoring." >&2
119			unset WANT_AUTOMAKE
120			break
121			fi
122
123			for wx in ${WANT_AUTOMAKE} ; do
124			if [ "${wx}" = "${v}" ] ; then
125			binary="binary_${v/./_}"
126			binary="${!binary}"
127			v="x"
128			fi
129			done
130			[ "${v}" = "x" ] && break
131			done
132			fi
133
134			#
135			# autodetect helpers
136			#
137			do_awk() {
138			local file=$1 ; shift
139			local arg=$1 ; shift
140			echo $(gawk "{ if (match(\$0, \"$*\", res)) { print res[${arg}]; exit } }" ${file})
141			}
142
143			#
144			# autodetect routine
145			#
146			if [ -z "${WANT_AUTOMAKE}" ] ; then
147			if [ -r "Makefile.in" ] ; then
148			confversion_mf=$(do_awk Makefile.in 2 "^# Makefile.in generated (automatically )?by automake ([0-9].[0-9]+)")
149			fi
150			if [ -r "aclocal.m4" ] ; then
151			confversion_ac=$(do_awk aclocal.m4 1 'generated automatically by aclocal ([0-9].[0-9]+)')
152			confversion_am=$(do_awk aclocal.m4 1 '[[:space:]]\\[?AM_AUTOMAKE_VERSION\\(\\[?([0-9].[0-9]+)[^)]\\]?\\)')
153			fi
154
155			for v in ${vers} ; do
156			if [ "${confversion_mf}" = "${v}" ] \
157			\|\| [ "${confversion_ac}" = "${v}" ] \
158			\|\| [ "${confversion_am}" = "${v}" ] ; then
159			binary="binary_${v/./_}"
160			binary="${!binary}"
161			break
162			fi
163			done
164			fi
165
166			if [ "${WANT_AMWRAPPER_DEBUG}" ] ; then
167			if [ "${WANT_AUTOMAKE}" ] ; then
168			echo "am-wrapper: DEBUG: WANT_AUTOMAKE is set to ${WANT_AUTOMAKE}" >&2
169			fi
170			echo "am-wrapper: DEBUG: will execute <$binary>" >&2
171			fi
172
173			#
174			# for further consistency
175			#
176			for v in ${vers} ; do
177			mybin="binary_${v/./_}"
178			if [ "${binary}" = "${!mybin}" ] ; then
179			export WANT_AUTOMAKE="${v}"
180			fi
181			done
182
183			#
184			# Now try to run the binary
185			#
186			if [ ! -x "${binary}" ] ; then
187			echo "am-wrapper: $binary is missing or not executable." >&2
188			echo " Please try emerging the correct version of automake." >&2
189			exit 1
190			fi
191
192			exec "$binary" "$@"
193
194			echo "am-wrapper: was unable to exec $binary !?" >&2
195			exit 1