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Contents of /trunk/am-wrapper/am-wrapper.sh

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Revision 2168 - (show annotations) (download) (as text)
Thu Aug 15 06:55:37 2013 UTC (11 years, 2 months ago) by niro
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-support automake-1.14
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-1.14)
12 # - runs automake-1.14 if:
13 # - envvar WANT_AUTOMAKE is set to `1.14'
14 # -or-
15 # - `Makefile.in' was generated by automake-1.14
16 # -or-
17 # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.14
18 # - runs automake-1.13 if:
19 # - envvar WANT_AUTOMAKE is set to `1.13'
20 # -or-
21 # - `Makefile.in' was generated by automake-1.13
22 # -or-
23 # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.13
24 # - runs automake-1.12 if:
25 # - envvar WANT_AUTOMAKE is set to `1.12'
26 # -or-
27 # - `Makefile.in' was generated by automake-1.12
28 # -or-
29 # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.12
30 # - runs automake-1.11 if:
31 # - envvar WANT_AUTOMAKE is set to `1.11'
32 # -or-
33 # - `Makefile.in' was generated by automake-1.11
34 # -or-
35 # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.11
36 # - runs automake-1.10 if:
37 # - envvar WANT_AUTOMAKE is set to `1.10'
38 # -or-
39 # - `Makefile.in' was generated by automake-1.10
40 # -or-
41 # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.10
42 # - runs automake-1.9 if:
43 # - envvar WANT_AUTOMAKE is set to `1.9'
44 # -or-
45 # - `Makefile.in' was generated by automake-1.9
46 # -or-
47 # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.9
48 # - runs automake-1.8 if:
49 # - envvar WANT_AUTOMAKE is set to `1.8'
50 # -or-
51 # - `Makefile.in' was generated by automake-1.8
52 # -or-
53 # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.8
54 # - runs automake-1.7 if:
55 # - envvar WANT_AUTOMAKE is set to `1.7'
56 # -or-
57 # - `Makefile.in' was generated by automake-1.7
58 # -or-
59 # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.7
60 # - runs automake-1.6 if:
61 # - envvar WANT_AUTOMAKE is set to `1.6'
62 # -or-
63 # - `Makefile.in'
64 # -or-
65 # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.6
66 # - runs automake-1.5 if:
67 # - envvar WANT_AUTOMAKE is set to `1.5'
68 # -or-
69 # - `Makefile.in' was generated by automake-1.5
70 # -or-
71 # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.5
72 # - runs automake-1.4 if:
73 # - envvar WANT_AUTOMAKE is set to `1.4'
74 # -or-
75 # - `Makefile.in' was generated by automake-1.4
76 # -or-
77 # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.4
78
79 if [ "${0##*/}" = "am-wrapper.sh" ] ; then
80 echo "Don't call this script directly." >&2
81 exit 1
82 fi
83
84 vers="1.14 1.13 1.12 1.11 1.10 1.9 1.8 1.7 1.6 1.5 1.4"
85
86 #
87 # Export the proper variable/versions and try to locate a usuable
88 # default (newer versions are preferred)
89 #
90 binary=""
91 for v in ${vers} ; do
92 eval binary_${v/./_}="${0}-${v}"
93
94 if [ -z "${binary}" ] && [ -x "${0}-${v}" ] ; then
95 binary="${0}-${v}"
96 fi
97 done
98 if [ -z "${binary}" ] ; then
99 echo "am-wrapper: Unable to locate any usuable version of automake." >&2
100 echo " I tried these versions: ${vers}" >&2
101 echo " With a base name of '${0}'." >&2
102 exit 1
103 fi
104
105 #
106 # Check the WANT_AUTOMAKE setting. We accept a whitespace delimited
107 # list of automake versions.
108 #
109 if [ -n "${WANT_AUTOMAKE}" ] ; then
110 for v in ${vers} x ; do
111 if [ "${v}" = "x" ] ; then
112 echo "am-wrapper: warning: invalid WANT_AUTOMAKE '${WANT_AUTOMAKE}'; ignoring." >&2
113 unset WANT_AUTOMAKE
114 break
115 fi
116
117 for wx in ${WANT_AUTOMAKE} ; do
118 if [ "${wx}" = "${v}" ] ; then
119 binary="binary_${v/./_}"
120 binary="${!binary}"
121 v="x"
122 fi
123 done
124 [ "${v}" = "x" ] && break
125 done
126 fi
127
128 #
129 # autodetect helpers
130 #
131 do_awk() {
132 local file=$1 ; shift
133 local arg=$1 ; shift
134 echo $(gawk "{ if (match(\$0, \"$*\", res)) { print res[${arg}]; exit } }" ${file})
135 }
136
137 #
138 # autodetect routine
139 #
140 if [ -z "${WANT_AUTOMAKE}" ] ; then
141 if [ -r "Makefile.in" ] ; then
142 confversion_mf=$(do_awk Makefile.in 2 "^# Makefile.in generated (automatically )?by automake ([0-9].[0-9]+)")
143 fi
144 if [ -r "aclocal.m4" ] ; then
145 confversion_ac=$(do_awk aclocal.m4 1 'generated automatically by aclocal ([0-9].[0-9]+)')
146 confversion_am=$(do_awk aclocal.m4 1 '[[:space:]]*\\[?AM_AUTOMAKE_VERSION\\(\\[?([0-9].[0-9]+)[^)]*\\]?\\)')
147 fi
148
149 for v in ${vers} ; do
150 if [ "${confversion_mf}" = "${v}" ] \
151 || [ "${confversion_ac}" = "${v}" ] \
152 || [ "${confversion_am}" = "${v}" ] ; then
153 binary="binary_${v/./_}"
154 binary="${!binary}"
155 break
156 fi
157 done
158 fi
159
160 if [ "${WANT_AMWRAPPER_DEBUG}" ] ; then
161 if [ "${WANT_AUTOMAKE}" ] ; then
162 echo "am-wrapper: DEBUG: WANT_AUTOMAKE is set to ${WANT_AUTOMAKE}" >&2
163 fi
164 echo "am-wrapper: DEBUG: will execute <$binary>" >&2
165 fi
166
167 #
168 # for further consistency
169 #
170 for v in ${vers} ; do
171 mybin="binary_${v/./_}"
172 if [ "${binary}" = "${!mybin}" ] ; then
173 export WANT_AUTOMAKE="${v}"
174 fi
175 done
176
177 #
178 # Now try to run the binary
179 #
180 if [ ! -x "${binary}" ] ; then
181 echo "am-wrapper: $binary is missing or not executable." >&2
182 echo " Please try emerging the correct version of automake." >&2
183 exit 1
184 fi
185
186 exec "$binary" "$@"
187
188 echo "am-wrapper: was unable to exec $binary !?" >&2
189 exit 1