Reworked configure system: it should be more compatible to most systems

[ngircd-alex.git] / autogen.sh

diff --git a/autogen.sh b/autogen.sh
index f2f4f31392dba09f09bc1645057c2857d58efe54..5e55ee1b1c689e9b052f6c5a97c092c7fca8d5db 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,23 +1,108 @@
 #!/bin/sh
 #
-# $Id: autogen.sh,v 1.2 2001/12/12 01:58:17 alex Exp $
+# ngIRCd -- The Next Generation IRC Daemon
+# Copyright (c)2001-2004 Alexander Barton <alex@barton.de>
 #
-# $Log: autogen.sh,v $
-# Revision 1.2  2001/12/12 01:58:17  alex
-# - fuer fehlende Dateien werden nun "nur noch" symbolische Links erzeugt.
+# 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.
 #
-# Revision 1.1.1.1  2001/12/11 21:53:04  alex
-# Imported sources to CVS.
+# $Id: autogen.sh,v 1.8 2004/03/11 22:21:20 alex Exp $
 #
 
-if [ -f configure ]; then
-       echo "autogen.sh: configure-Skript existiert bereits ..."
+Search()
+{
+       [ $# -eq 2 ] || exit 1
+
+       name="$1"
+       major="$2"
+       minor=99
+
+       type "${name}" >/dev/null 2>&1
+       if [ $? -eq 0 ]; then
+               echo "${name}"
+               return 0
+       fi
+
+       while [ $minor -ge 0 ]; do
+               type "${name}${major}${minor}" >/dev/null 2>&1
+               if [ $? -eq 0 ]; then
+                       echo "${name}${major}${minor}"
+                       return 0
+               fi
+               type "${name}-${major}.${minor}" >/dev/null 2>&1
+               if [ $? -eq 0 ]; then
+                       echo "${name}-${major}.${minor}" >/dev/null 2>&1
+               fi
+               minor=`expr $minor - 1`
+       done
+       return 1
+}
+
+Notfound()
+{
+       echo "Error: $* not found!"
+       echo "Please install recent versions of GNU autoconf and GNU automake."
+       exit 1
+}
+
+# Reset locale settings to suppress warning messages of Perl
+unset LC_ALL
+unset LANG
+
+# We want to use GNU automake 1.7, if available (WANT_AUTOMAKE is used by
+# the wrapper scripts of Gentoo Linux):
+WANT_AUTOMAKE=1.7
+export WANT_AUTOMAKE
+
+# Try to detect the needed tools when no environment variable already
+# spezifies one:
+echo "Searching tools ..."
+[ -z "$ACLOCAL" ] && ACLOCAL=`Search aclocal 1`
+[ -z "$AUTOHEADER" ] && AUTOHEADER=`Search autoheader 2`
+[ -z "$AUTOMAKE" ] && AUTOMAKE=`Search automake 1`
+[ -z "$AUTOCONF" ] && AUTOCONF=`Search autoconf 2`
+
+# Some debugging output ...
+if [ -n "$DEBUG" ]; then
+       echo "ACLOCAL=$ACLOCAL"
+       echo "AUTOHEADER=$AUTOHEADER"
+       echo "AUTOMAKE=$AUTOMAKE"
+       echo "AUTOCONF=$AUTOCONF"
 fi
 
-aclocal && \
- autoheader && \
- automake --add-missing && \
- autoconf && \
- echo "Okay, autogen.sh war erfolgreich."
+# Verify that all tools have been found
+[ -z "$AUTOCONF" ] && Notfounf autoconf
+[ -z "$AUTOHEADER" ] && Notfound autoheader
+[ -z "$AUTOMAKE" ] && Notfound automake
+[ -z "$AUTOCONF" ] && Notfound autoconf
+
+export AUTOCONF AUTOHEADER AUTOMAKE AUTOCONF
+
+# Generate files
+echo "Generating files ..."
+$ACLOCAL && \
+       $AUTOHEADER && \
+       $AUTOMAKE --add-missing && \
+       $AUTOCONF
+
+if [ $? -eq 0 ]; then
+       # Success: if we got some parameters we call ./configure and pass
+       # all of them to it.
+       if [ -n "$*" -a -x ./configure ]; then
+               echo "Calling generated \"configure\" script ..."
+               ./configure $*
+               exit $?
+       else
+               echo "Okay, autogen.sh done; now run the \"configure\" script."
+               exit 0
+       fi
+else
+       # Failure!?
+       echo "Error! Check your installation of GNU automake and autoconf!"
+       exit 1
+fi
 
 # -eof-