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-#!/bin/sh
-#
-# ngIRCd -- The Next Generation IRC Daemon
-# Copyright (c)2001-2024 Alexander Barton (alex@barton.de) and Contributors
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-# Please read the file COPYING, README and AUTHORS for more information.
-#
-# Usage:
-# [VAR=<value>] ./autogen.sh [<configure-args>]
-#
-# This script generates the ./configure script using GNU automake and
-# GNU autoconf. It tries to be smart in finding the correct/usable/available
-# installed versions of these tools on your system.
-#
-# In addition, it enables or disables the "de-ANSI-fication" support of GNU
-# automake, which is supported up to autoconf 1.11.x an has been removed
-# in automake 1.12 -- make sure to use a version of automake supporting it
-# when generating distribution archives!
-#
-# The following strategy is used for each of aclocal, autoheader, automake,
-# and autoconf: first, "tool" (the regular name of the tool, e. g. "autoconf"
-# or "automake") is checked. If this fails, "tool<major><minor>" (for example
-# "automake16") and "tool-<major>.<minor>" (e. g. "autoconf-2.54") are tried
-# with <major> being 2 for tool of GNU autoconf and 1 for tools of automake;
-# <minor> is tried from 99 to 0. The first occurrence will be used.
-#
-# When you pass <configure-args> to autogen.sh it will call the generated
-# ./configure script on success and pass these parameters to it.
-#
-# You can tweak the behaviour using these environment variables:
-#
-# - ACLOCAL=<cmd>, AUTOHEADER=<cmd>, AUTOMAKE=<cmd>, AUTOCONF=<cmd>
-# Name and optionally path to the particular tool.
-# - PREFIX=<path>
-# Search the GNU autoconf and GNU automake tools in <path> first. If the
-# generated ./configure script will be called, pass "--prefix=<path>" to it.
-# - EXIST=<tool>
-# Use <tool> to test for aclocal, autoheader etc. pp. ...
-# When not specified, either "type" or "which" is used.
-# - VERBOSE=1
-# Output the detected names of the GNU automake and GNU autoconf tools.
-# - GO=1
-# Call ./configure even if no arguments have been passed to autogen.sh.
-#
-# Examples:
-#
-# - ./autogen.sh
-# Generates the ./configure script.
-# - GO=1 ./autogen.sh
-# Generates the ./configure script and runs it as "./configure".
-# - VERBOSE=1 ./autogen.sh --with-ident
-# Show tool names, generates the ./configure script, and runs it with
-# these arguments: "./configure --with-ident".
-# - ACLOCAL=aclocal-1.6 GO=1 PREFIX=$HOME ./autogen.sh
-# Uses "aclocal-1.6" as aclocal tool, generates the ./configure script,
-# and runs it with these arguments: "./configure --prefix=$HOME".
-#
-
-Check_Tool()
-{
- searchlist="$1"
- major="$2"
- minor="$3"
-
- for name in $searchlist; do
- $EXIST "${name}${major}${minor}" >/dev/null 2>&1
- if [ $? -eq 0 ]; then
- echo "${name}${major}${minor}"
- return 0
- fi
- $EXIST "${name}-${major}.${minor}" >/dev/null 2>&1
- if [ $? -eq 0 ]; then
- echo "${name}-${major}.${minor}"
- return 0
- fi
- done
- return 1
-}
-
-Search()
-{
- [ $# -lt 2 ] && return 1
- [ $# -gt 3 ] && return 1
-
- searchlist="$1"
- major="$2"
- minor_pref="$3"
- minor=99
-
- [ -n "$PREFIX" ] && searchlist="${PREFIX}/$1 ${PREFIX}/bin/$1 $searchlist"
-
- if [ -n "$minor_pref" ]; then
- Check_Tool "$searchlist" "$major" "$minor_pref" && return 0
- fi
-
- for name in $searchlist; do
- $EXIST "${name}" >/dev/null 2>&1
- if [ $? -eq 0 ]; then
- "${name}" --version 2>&1 \
- | grep -v "environment variable" >/dev/null 2>&1
- if [ $? -eq 0 ]; then
- echo "${name}"
- return 0
- fi
- fi
- done
-
- while [ $minor -ge 0 ]; do
- Check_Tool "$searchlist" "$major" "$minor" && return 0
- minor=$(expr $minor - 1)
- done
- return 1
-}
-
-Notfound()
-{
- echo "Error: $* not found!"
- echo 'Please install supported versions of GNU autoconf, GNU automake'
- echo 'and pkg-config: see the INSTALL file for details.'
- exit 1
-}
-
-Run()
-{
- [ "$VERBOSE" = "1" ] && echo " - running \"$*\" ..."
- "$@"
-}
-
-# Reset locale settings to suppress warning messages of Perl
-unset LC_ALL
-unset LANG
-
-# Which command should be used to detect the automake/autoconf tools?
-[ -z "$EXIST" ] && existlist="type which" || existlist="$EXIST"
-EXIST=""
-for t in $existlist; do
- $t /bin/ls >/dev/null 2>&1
- if [ $? -eq 0 ]; then
- rm -f /tmp/test.$$
- $t /tmp/test.$$ >/dev/null 2>&1
- [ $? -ne 0 ] && EXIST="$t"
- fi
- [ -n "$EXIST" ] && break
-done
-if [ -z "$EXIST" ]; then
- echo "Didn't detect a working command to test for the autoconf/automake tools!"
- echo "Searchlist: $existlist"
- exit 1
-fi
-[ "$VERBOSE" = "1" ] && echo "Using \"$EXIST\" to test for tools."
-
-# Try to detect the needed tools when no environment variable already
-# specifies one:
-echo "Searching for required tools ..."
-[ -z "$ACLOCAL" ] && ACLOCAL=$(Search aclocal 1 11)
-[ "$VERBOSE" = "1" ] && echo " - ACLOCAL=$ACLOCAL"
-[ -z "$AUTOHEADER" ] && AUTOHEADER=$(Search autoheader 2)
-[ "$VERBOSE" = "1" ] && echo " - AUTOHEADER=$AUTOHEADER"
-[ -z "$AUTOMAKE" ] && AUTOMAKE=$(Search automake 1 11)
-[ "$VERBOSE" = "1" ] && echo " - AUTOMAKE=$AUTOMAKE"
-[ -z "$AUTOCONF" ] && AUTOCONF=$(Search autoconf 2)
-[ "$VERBOSE" = "1" ] && echo " - AUTOCONF=$AUTOCONF"
-
-AUTOCONF_VERSION=$(echo "$AUTOCONF" | cut -d'-' -f2-)
-[ -n "$AUTOCONF_VERSION" ] && [ "$AUTOCONF_VERSION" != "autoconf" ] \
- && export AUTOCONF_VERSION || unset AUTOCONF_VERSION
-[ "$VERBOSE" = "1" ] && echo " - AUTOCONF_VERSION=$AUTOCONF_VERSION"
-AUTOMAKE_VERSION=$(echo $AUTOMAKE | cut -d'-' -f2-)
-[ -n "$AUTOMAKE_VERSION" ] && [ "$AUTOMAKE_VERSION" != "automake" ] \
- && export AUTOMAKE_VERSION || unset AUTOMAKE_VERSION
-[ "$VERBOSE" = "1" ] && echo " - AUTOMAKE_VERSION=$AUTOMAKE_VERSION"
-
-[ $# -gt 0 ] && CONFIGURE_ARGS=" $*" || CONFIGURE_ARGS=""
-[ -z "$GO" ] && [ -n "$CONFIGURE_ARGS" ] && GO=1
-
-# Verify that all tools have been found
-command -v pkg-config >/dev/null || Notfound pkg-config
-[ -z "$ACLOCAL" ] && Notfound aclocal
-[ -z "$AUTOHEADER" ] && Notfound autoheader
-[ -z "$AUTOMAKE" ] && Notfound automake
-[ -z "$AUTOCONF" ] && Notfound autoconf
-
-AM_VERSION=$($AUTOMAKE --version | head -n 1 | sed -e 's/.* //g')
-ifs=$IFS; IFS="."; set $AM_VERSION; IFS=$ifs
-AM_MAJOR="$1"; AM_MINOR="$2"
-echo "Detected automake $AM_VERSION ..."
-
-AM_MAKEFILES="src/ipaddr/Makefile.ng src/ngircd/Makefile.ng src/testsuite/Makefile.ng src/tool/Makefile.ng"
-
-# De-ANSI-fication?
-if [ "$AM_MAJOR" -eq "1" ] && [ "$AM_MINOR" -lt "12" ]; then
- # automake < 1.12 => automatic de-ANSI-fication support available
- echo " - Enabling de-ANSI-fication support."
- sed -e "s|^__ng_PROTOTYPES__|AM_C_PROTOTYPES|g" configure.ng >configure.ac
- DEANSI_START=""
- DEANSI_END=""
-else
- # automake >= 1.12 => no de-ANSI-fication support available
- echo " - Disabling de-ANSI-fication support."
- sed -e "s|^__ng_PROTOTYPES__|AC_C_PROTOTYPES|g" configure.ng >configure.ac
- DEANSI_START="#"
- DEANSI_END=" (disabled by ./autogen.sh script)"
-fi
-# Serial test harness?
-if [ "$AM_MAJOR" -eq "1" ] && [ "$AM_MINOR" -ge "13" ]; then
- # automake >= 1.13 => enforce "serial test harness"
- echo " - Enforcing serial test harness."
- SERIAL_TESTS="serial-tests"
-else
- # automake < 1.13 => no new test harness, nothing to do
- # shellcheck disable=SC2034
- SERIAL_TEST=""
-fi
-
-sed -e "s|^__ng_Makefile_am_template__|AUTOMAKE_OPTIONS = ${SERIAL_TESTS} ${DEANSI_START}ansi2knr${DEANSI_END}|g" \
- src/portab/Makefile.ng >src/portab/Makefile.am
-for makefile_ng in $AM_MAKEFILES; do
- makefile_am=$(echo "$makefile_ng" | sed -e "s|\.ng\$|\.am|g")
- sed -e "s|^__ng_Makefile_am_template__|AUTOMAKE_OPTIONS = ${SERIAL_TESTS} ${DEANSI_START}../portab/ansi2knr${DEANSI_END}|g" \
- $makefile_ng >$makefile_am
-done
-
-export ACLOCAL AUTOHEADER AUTOMAKE AUTOCONF
-
-# Generate files
-echo "Generating files using \"$AUTOCONF\" and \"$AUTOMAKE\" ..."
-Run $ACLOCAL && \
- Run $AUTOCONF && \
- Run $AUTOHEADER && \
- Run $AUTOMAKE --add-missing --no-force
-
-if [ $? -eq 0 ] && [ -x ./configure ]; then
- # Success: if we got some parameters we call ./configure and pass
- # all of them to it.
- NAME=$(grep PACKAGE_STRING= configure | cut -d"'" -f2)
- if [ "$GO" = "1" ]; then
- [ -n "$PREFIX" ] && p=" --prefix=$PREFIX" || p=""
- c="./configure${p}${CONFIGURE_ARGS}"
- echo "Okay, autogen.sh for $NAME done."
- echo "Calling \"$c\" ..."
- $c
- exit $?
- else
- echo "Okay, autogen.sh for $NAME done."
- echo "Now run the \"./configure\" script."
- exit 0
- fi
-else
- # Failure!?
- echo "Error! Check your installation of GNU automake and autoconf!"
- exit 1
-fi
-
-# -eof-