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	niro	144	#!/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