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77939c382d
already defined by some environment variables.
193 lines
5.9 KiB
Bash
Executable File
193 lines
5.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# ngIRCd -- The Next Generation IRC Daemon
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# Copyright (c)2001-2004 Alexander Barton <alex@barton.de>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# Please read the file COPYING, README and AUTHORS for more information.
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#
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# $Id: autogen.sh,v 1.15 2007/10/07 13:02:15 alex Exp $
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#
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#
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# Usage: [VAR=<value>] ./autogen.sh [<configure-args>]
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#
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# This script generates the ./configure script using GNU automake and
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# GNU autoconf. It tries to be smart in finding the correct/usable/available
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# installed versions of these tools on your system.
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#
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# The following strategy is used for each of aclocal, autoheader, automake,
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# and autoconf: first, "tool" (the regular name of the tool, e. g. "autoconf"
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# or "automake") is checked. If this fails, "tool<major><minor>" (for example
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# "automake16") and "tool-<major>.<minor>" (e. g. "autoconf-2.54") are tried
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# with <major> being 2 for tool of GNU autoconf and 1 for tools of automake;
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# <minor> is tried from 99 to 0. The first occurrence will be used.
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#
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# When you pass <configure-args> to autogen.sh it will call the generated
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# ./configure script on success and pass these parameters to it.
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#
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# You can tweak the behaviour using these environment variables:
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#
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# - ACLOCAL=<cmd>, AUTOHEADER=<cmd>, AUTOMAKE=<cmd>, AUTOCONF=<cmd>
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# Name and optionally path to the particular tool.
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# - PREFIX=<path>
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# Search the GNU autoconf and GNU automake tools in <path> first. If the
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# generated ./configure script will be called, pass "--prefix=<path>" to it.
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# - EXIST=<tool>
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# Use <tool> to test for aclocal, autoheader etc. pp. ...
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# When not specified, either "type" or "which" is used.
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# - VERBOSE=1
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# Output the detected names of the GNU automake and GNU autoconf tools.
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# - GO=1
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# Call ./configure even if no arguments have been passed to autogen.sh.
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#
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# Examples:
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#
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# - ./autogen.sh
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# Generates the ./configure script.
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# - GO=1 ./autogen.sh
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# Generates the ./configure script and runs it as "./configure".
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# - VERBOSE=1 ./autogen.sh --with-ident
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# Show tool names, generates the ./configure script, and runs it with
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# these arguments: "./configure --with-ident".
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# - ACLOCAL=aclocal-1.6 GO=1 PREFIX=$HOME ./autogen.sh
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# Uses "aclocal-1.6" as aclocal tool, generates the ./configure script,
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# and runs it with these arguments: "./configure --prefix=$HOME".
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#
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Search()
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{
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[ $# -eq 2 ] || exit 1
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searchlist="$1"
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major="$2"
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minor=99
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[ -n "$PREFIX" ] && searchlist="${PREFIX}/$1 ${PREFIX}/bin/$1 $searchlist"
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for name in $searchlist; do
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$EXIST "${name}" >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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echo "${name}"
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return 0
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fi
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done
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while [ $minor -ge 0 ]; do
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for name in $searchlist; do
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$EXIST "${name}${major}${minor}" >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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echo "${name}${major}${minor}"
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return 0
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fi
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$EXIST "${name}-${major}.${minor}" >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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echo "${name}-${major}.${minor}"
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return 0
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fi
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done
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minor=`expr $minor - 1`
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done
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return 1
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}
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Notfound()
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{
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echo "Error: $* not found!"
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echo "Please install recent versions of GNU autoconf and GNU automake."
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exit 1
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}
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# Reset locale settings to suppress warning messages of Perl
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unset LC_ALL
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unset LANG
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# Which command should be used to detect the automake/autoconf tools?
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[ -z "$EXIST" ] && existlist="type which" || existlist="$EXIST"
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EXIST=""
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for t in $existlist; do
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$t /bin/ls >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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rm -f /tmp/test.$$
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$t /tmp/test.$$ >/dev/null 2>&1
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[ $? -ne 0 ] && EXIST="$t"
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fi
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[ -n "$EXIST" ] && break
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done
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if [ -z "$EXIST" ]; then
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echo "Didn't detect a working command to test for the autoconf/automake tools!"
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echo "Searchlist: $existlist"
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exit 1
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fi
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[ "$VERBOSE" = "1" ] && echo "Using \"$EXIST\" to test for tools."
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# We want to use GNU automake 1.9, if available (WANT_AUTOMAKE is used by
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# the wrapper scripts of Gentoo Linux, AUTOMAKE_VERSION is used by OpenBSD);
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# same applies for GNU autoconf, we want to use version 2.59. -- But only
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# set these preferences if not already set!
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if [ -z "$AUTOMAKE_VERSION" -a -z "$WANT_AUTOMAKE" ]; then
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AUTOMAKE_VERSION=1.9
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WANT_AUTOMAKE=1.9
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fi
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if [ -z "$AUTOCONF_VERSION" -a -z "$WANT_AUTOCONF" ]; then
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AUTOCONF_VERSION=2.59
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WANT_AUTOCONF=2.59
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fi
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export AUTOMAKE_VERSION WANT_AUTOMAKE AUTOCONF_VERSION WANT_AUTOCONF
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# Try to detect the needed tools when no environment variable already
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# specifies one:
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echo "Searching tools ..."
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[ -z "$ACLOCAL" ] && ACLOCAL=`Search aclocal 1`
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[ "$VERBOSE" = "1" ] && echo "ACLOCAL=$ACLOCAL"
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[ -z "$AUTOHEADER" ] && AUTOHEADER=`Search autoheader 2`
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[ "$VERBOSE" = "1" ] && echo "AUTOHEADER=$AUTOHEADER"
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[ -z "$AUTOMAKE" ] && AUTOMAKE=`Search automake 1`
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[ "$VERBOSE" = "1" ] && echo "AUTOMAKE=$AUTOMAKE"
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[ -z "$AUTOCONF" ] && AUTOCONF=`Search autoconf 2`
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[ "$VERBOSE" = "1" ] && echo "AUTOCONF=$AUTOCONF"
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# Call ./configure when parameters have been passed to this script and
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# GO isn't already defined.
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[ -z "$GO" -a $# -gt 0 ] && GO=1
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# Verify that all tools have been found
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[ -z "$AUTOCONF" ] && Notfound autoconf
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[ -z "$AUTOHEADER" ] && Notfound autoheader
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[ -z "$AUTOMAKE" ] && Notfound automake
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[ -z "$AUTOCONF" ] && Notfound autoconf
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export AUTOCONF AUTOHEADER AUTOMAKE AUTOCONF
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# Generate files
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echo "Generating files ..."
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$ACLOCAL && \
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$AUTOHEADER && \
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$AUTOMAKE --add-missing && \
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$AUTOCONF
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if [ $? -eq 0 -a -x ./configure ]; then
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# Success: if we got some parameters we call ./configure and pass
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# all of them to it.
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if [ "$GO" = "1" ]; then
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[ -n "$PREFIX" ] && p=" --prefix=$PREFIX" || p=""
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[ -n "$*" ] && a=" $*" || a=""
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c="./configure${p}${a}"
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echo "Calling \"$c\" ..."
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$c
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exit $?
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else
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echo "Okay, autogen.sh done; now run the \"configure\" script."
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exit 0
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fi
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else
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# Failure!?
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echo "Error! Check your installation of GNU automake and autoconf!"
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exit 1
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fi
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# -eof-
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