Annotation of ircnowd/autogen.sh, Revision 1.1.1.1
1.1 bountyht 1: #!/bin/sh
2: #
3: # ngIRCd -- The Next Generation IRC Daemon
4: # Copyright (c)2001-2015 Alexander Barton (alex@barton.de) and Contributors
5: #
6: # This program is free software; you can redistribute it and/or modify
7: # it under the terms of the GNU General Public License as published by
8: # the Free Software Foundation; either version 2 of the License, or
9: # (at your option) any later version.
10: # Please read the file COPYING, README and AUTHORS for more information.
11: #
12: # Usage:
13: # [VAR=<value>] ./autogen.sh [<configure-args>]
14: #
15: # This script generates the ./configure script using GNU automake and
16: # GNU autoconf. It tries to be smart in finding the correct/usable/available
17: # installed versions of these tools on your system.
18: #
19: # In addition, it enables or disables the "de-ANSI-fication" support of GNU
20: # automake, which is supported up to autoconf 1.11.x an has been removed
21: # in automake 1.12 -- make sure to use a version of automake supporting it
22: # when generating distribution archives!
23: #
24: # The following strategy is used for each of aclocal, autoheader, automake,
25: # and autoconf: first, "tool" (the regular name of the tool, e. g. "autoconf"
26: # or "automake") is checked. If this fails, "tool<major><minor>" (for example
27: # "automake16") and "tool-<major>.<minor>" (e. g. "autoconf-2.54") are tried
28: # with <major> being 2 for tool of GNU autoconf and 1 for tools of automake;
29: # <minor> is tried from 99 to 0. The first occurrence will be used.
30: #
31: # When you pass <configure-args> to autogen.sh it will call the generated
32: # ./configure script on success and pass these parameters to it.
33: #
34: # You can tweak the behaviour using these environment variables:
35: #
36: # - ACLOCAL=<cmd>, AUTOHEADER=<cmd>, AUTOMAKE=<cmd>, AUTOCONF=<cmd>
37: # Name and optionally path to the particular tool.
38: # - PREFIX=<path>
39: # Search the GNU autoconf and GNU automake tools in <path> first. If the
40: # generated ./configure script will be called, pass "--prefix=<path>" to it.
41: # - EXIST=<tool>
42: # Use <tool> to test for aclocal, autoheader etc. pp. ...
43: # When not specified, either "type" or "which" is used.
44: # - VERBOSE=1
45: # Output the detected names of the GNU automake and GNU autoconf tools.
46: # - GO=1
47: # Call ./configure even if no arguments have been passed to autogen.sh.
48: #
49: # Examples:
50: #
51: # - ./autogen.sh
52: # Generates the ./configure script.
53: # - GO=1 ./autogen.sh
54: # Generates the ./configure script and runs it as "./configure".
55: # - VERBOSE=1 ./autogen.sh --with-ident
56: # Show tool names, generates the ./configure script, and runs it with
57: # these arguments: "./configure --with-ident".
58: # - ACLOCAL=aclocal-1.6 GO=1 PREFIX=$HOME ./autogen.sh
59: # Uses "aclocal-1.6" as aclocal tool, generates the ./configure script,
60: # and runs it with these arguments: "./configure --prefix=$HOME".
61: #
62:
63: Search()
64: {
65: [ $# -eq 2 ] || exit 1
66:
67: searchlist="$1"
68: major="$2"
69: minor=99
70:
71: [ -n "$PREFIX" ] && searchlist="${PREFIX}/$1 ${PREFIX}/bin/$1 $searchlist"
72:
73: for name in $searchlist; do
74: $EXIST "${name}" >/dev/null 2>&1
75: if [ $? -eq 0 ]; then
76: "${name}" --version 2>&1 \
77: | grep -v "environment variable" >/dev/null 2>&1
78: if [ $? -eq 0 ]; then
79: echo "${name}"
80: return 0
81: fi
82: fi
83: done
84:
85: while [ $minor -ge 0 ]; do
86: for name in $searchlist; do
87: $EXIST "${name}${major}${minor}" >/dev/null 2>&1
88: if [ $? -eq 0 ]; then
89: echo "${name}${major}${minor}"
90: return 0
91: fi
92: $EXIST "${name}-${major}.${minor}" >/dev/null 2>&1
93: if [ $? -eq 0 ]; then
94: echo "${name}-${major}.${minor}"
95: return 0
96: fi
97: done
98: minor=$(expr $minor - 1)
99: done
100: return 1
101: }
102:
103: Notfound()
104: {
105: echo "Error: $* not found!"
106: echo 'Please install supported versions of GNU autoconf, GNU automake'
107: echo 'and pkg-config: see the INSTALL file for details.'
108: exit 1
109: }
110:
111: Run()
112: {
113: [ "$VERBOSE" = "1" ] && echo " - running \"$*\" ..."
114: "$@"
115: }
116:
117: # Reset locale settings to suppress warning messages of Perl
118: unset LC_ALL
119: unset LANG
120:
121: # Which command should be used to detect the automake/autoconf tools?
122: [ -z "$EXIST" ] && existlist="type which" || existlist="$EXIST"
123: EXIST=""
124: for t in $existlist; do
125: $t /bin/ls >/dev/null 2>&1
126: if [ $? -eq 0 ]; then
127: rm -f /tmp/test.$$
128: $t /tmp/test.$$ >/dev/null 2>&1
129: [ $? -ne 0 ] && EXIST="$t"
130: fi
131: [ -n "$EXIST" ] && break
132: done
133: if [ -z "$EXIST" ]; then
134: echo "Didn't detect a working command to test for the autoconf/automake tools!"
135: echo "Searchlist: $existlist"
136: exit 1
137: fi
138: [ "$VERBOSE" = "1" ] && echo "Using \"$EXIST\" to test for tools."
139:
140: # Try to detect the needed tools when no environment variable already
141: # specifies one:
142: echo "Searching for required tools ..."
143: [ -z "$ACLOCAL" ] && ACLOCAL=$(Search aclocal 1)
144: [ "$VERBOSE" = "1" ] && echo " - ACLOCAL=$ACLOCAL"
145: [ -z "$AUTOHEADER" ] && AUTOHEADER=$(Search autoheader 2)
146: [ "$VERBOSE" = "1" ] && echo " - AUTOHEADER=$AUTOHEADER"
147: [ -z "$AUTOMAKE" ] && AUTOMAKE=$(Search automake 1)
148: [ "$VERBOSE" = "1" ] && echo " - AUTOMAKE=$AUTOMAKE"
149: [ -z "$AUTOCONF" ] && AUTOCONF=$(Search autoconf 2)
150: [ "$VERBOSE" = "1" ] && echo " - AUTOCONF=$AUTOCONF"
151:
152: AUTOCONF_VERSION=$(echo "$AUTOCONF" | cut -d'-' -f2-)
153: [ -n "$AUTOCONF_VERSION" ] && [ "$AUTOCONF_VERSION" != "autoconf" ] \
154: && export AUTOCONF_VERSION || unset AUTOCONF_VERSION
155: [ "$VERBOSE" = "1" ] && echo " - AUTOCONF_VERSION=$AUTOCONF_VERSION"
156: AUTOMAKE_VERSION=$(echo $AUTOMAKE | cut -d'-' -f2-)
157: [ -n "$AUTOMAKE_VERSION" ] && [ "$AUTOMAKE_VERSION" != "automake" ] \
158: && export AUTOMAKE_VERSION || unset AUTOMAKE_VERSION
159: [ "$VERBOSE" = "1" ] && echo " - AUTOMAKE_VERSION=$AUTOMAKE_VERSION"
160:
161: [ $# -gt 0 ] && CONFIGURE_ARGS=" $*" || CONFIGURE_ARGS=""
162: [ -z "$GO" ] && [ -n "$CONFIGURE_ARGS" ] && GO=1
163:
164: # Verify that all tools have been found
165: command -v pkg-config >/dev/null || Notfound pkg-config
166: [ -z "$ACLOCAL" ] && Notfound aclocal
167: [ -z "$AUTOHEADER" ] && Notfound autoheader
168: [ -z "$AUTOMAKE" ] && Notfound automake
169: [ -z "$AUTOCONF" ] && Notfound autoconf
170:
171: AM_VERSION=$($AUTOMAKE --version | head -n 1 | sed -e 's/.* //g')
172: ifs=$IFS; IFS="."; set $AM_VERSION; IFS=$ifs
173: AM_MAJOR="$1"; AM_MINOR="$2"
174: echo "Detected automake $AM_VERSION ..."
175:
176: AM_MAKEFILES="src/ipaddr/Makefile.ng src/ngircd/Makefile.ng src/testsuite/Makefile.ng src/tool/Makefile.ng"
177:
178: # De-ANSI-fication?
179: if [ "$AM_MAJOR" -eq "1" ] && [ "$AM_MINOR" -lt "12" ]; then
180: # automake < 1.12 => automatic de-ANSI-fication support available
181: echo " - Enabling de-ANSI-fication support."
182: sed -e "s|^__ng_PROTOTYPES__|AM_C_PROTOTYPES|g" configure.ng >configure.ac
183: DEANSI_START=""
184: DEANSI_END=""
185: else
186: # automake >= 1.12 => no de-ANSI-fication support available
187: echo " - Disabling de-ANSI-fication support."
188: sed -e "s|^__ng_PROTOTYPES__|AC_C_PROTOTYPES|g" configure.ng >configure.ac
189: DEANSI_START="#"
190: DEANSI_END=" (disabled by ./autogen.sh script)"
191: fi
192: # Serial test harness?
193: if [ "$AM_MAJOR" -eq "1" ] && [ "$AM_MINOR" -ge "13" ]; then
194: # automake >= 1.13 => enforce "serial test harness"
195: echo " - Enforcing serial test harness."
196: SERIAL_TESTS="serial-tests"
197: else
198: # automake < 1.13 => no new test harness, nothing to do
199: # shellcheck disable=SC2034
200: SERIAL_TEST=""
201: fi
202:
203: sed -e "s|^__ng_Makefile_am_template__|AUTOMAKE_OPTIONS = ${SERIAL_TESTS} ${DEANSI_START}ansi2knr${DEANSI_END}|g" \
204: src/portab/Makefile.ng >src/portab/Makefile.am
205: for makefile_ng in $AM_MAKEFILES; do
206: makefile_am=$(echo "$makefile_ng" | sed -e "s|\.ng\$|\.am|g")
207: sed -e "s|^__ng_Makefile_am_template__|AUTOMAKE_OPTIONS = ${SERIAL_TESTS} ${DEANSI_START}../portab/ansi2knr${DEANSI_END}|g" \
208: $makefile_ng >$makefile_am
209: done
210:
211: export ACLOCAL AUTOHEADER AUTOMAKE AUTOCONF
212:
213: # Generate files
214: echo "Generating files using \"$AUTOCONF\" and \"$AUTOMAKE\" ..."
215: Run $ACLOCAL && \
216: Run $AUTOCONF && \
217: Run $AUTOHEADER && \
218: Run $AUTOMAKE --add-missing --no-force
219:
220: if [ $? -eq 0 ] && [ -x ./configure ]; then
221: # Success: if we got some parameters we call ./configure and pass
222: # all of them to it.
223: NAME=$(grep PACKAGE_STRING= configure | cut -d"'" -f2)
224: if [ "$GO" = "1" ]; then
225: [ -n "$PREFIX" ] && p=" --prefix=$PREFIX" || p=""
226: c="./configure${p}${CONFIGURE_ARGS}"
227: echo "Okay, autogen.sh for $NAME done."
228: echo "Calling \"$c\" ..."
229: $c
230: exit $?
231: else
232: echo "Okay, autogen.sh for $NAME done."
233: echo "Now run the \"./configure\" script."
234: exit 0
235: fi
236: else
237: # Failure!?
238: echo "Error! Check your installation of GNU automake and autoconf!"
239: exit 1
240: fi
241:
242: # -eof-
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