source: configure @ 59c1fe7

#!/bin/sh

##############################
##  Configurer for BitlBee  ##
##                          ##
##  Copyright 2004 Lintux   ##
##  Copyright 2002 Lucumo   ##
##############################

prefix='/usr/local/'
bindir='$prefix/bin/'
sbindir='$prefix/sbin/'
etcdir='$prefix/etc/bitlbee/'
mandir='$prefix/share/man/'
datadir='$prefix/share/bitlbee/'
config='/var/lib/bitlbee/'
plugindir='$prefix/lib/bitlbee/'
includedir='$prefix/include/bitlbee/'
systemdsystemunitdir=''
libevent='/usr/'
pidfile='/var/run/bitlbee.pid'
ipcsocket=''
pcdir='$prefix/lib/pkgconfig'
systemlibdirs="/lib64 /usr/lib64 /usr/local/lib64 /lib /usr/lib /usr/local/lib"

# Set these to default-on to let it be overriden by either the user or purple
#
# If the user sets one of these to 1, purple won't disable them.
# Otherwise, if it's still default-on, it gets included in normal builds,
# but not purple ones.
msn="default-on"
jabber="default-on"
oscar="default-on"
yahoo="default-on"

twitter=1
purple=0

debug=0
strip=1
gcov=0
asan=0
plugins=1
otr=0
skype=0

events=glib
ssl=auto

pie=1

arch=`uname -s`
cpu=`uname -m`

GLIB_MIN_VERSION=2.16

echo BitlBee configure

# Cygwin and Darwin don't support PIC/PIE
case "$arch" in
    CYGWIN* )
        pie=0;;
    Darwin )
        pie=0;;
esac

while [ -n "$1" ]; do
        e="`expr "X$1" : 'X--\(.*=.*\)'`"
        if [ -z "$e" ]; then
                cat<<EOF

Usage: $0 [OPTIONS]

Option          Description                             Default

--prefix=...    Directories to put files in             $prefix
--bindir=...                                            $bindir
--sbindir=...                                           $sbindir
--etcdir=...                                            $etcdir
--mandir=...                                            $mandir
--datadir=...                                           $datadir
--plugindir=...                                         $plugindir
--systemdsystemunitdir=...                              $systemdsystemunitdir
--pidfile=...                                           $pidfile
--config=...                                            $config

--msn=0/1       Disable/enable MSN part                 $msn
--jabber=0/1    Disable/enable Jabber part              $jabber
--oscar=0/1     Disable/enable Oscar part (ICQ, AIM)    $oscar
--yahoo=0/1     Disable/enable Yahoo part               $yahoo
--twitter=0/1   Disable/enable Twitter part             $twitter

--purple=0/1    Disable/enable libpurple support        $purple
                (automatically disables other protocol modules)

--debug=0/1     Disable/enable debugging                $debug
--strip=0/1     Disable/enable binary stripping         $strip
--pie=0/1       Build position independent executable   $pie
--gcov=0/1      Disable/enable test coverage reporting  $gcov
--asan=0/1      Disable/enable AddressSanitizer         $asan
--plugins=0/1   Disable/enable plugins support          $plugins
--otr=0/1/auto/plugin
                Disable/enable OTR encryption support   $otr
--skype=0/1/plugin
                Disable/enable Skype support            $skype

--events=...    Event handler (glib, libevent)          $events
--ssl=...       SSL library to use (gnutls, nss, openssl, auto)
                                                        $ssl


--target=...    Cross compilation target                same as host
EOF
                exit;
        fi
        eval "$e"
        shift;
done

# Expand $prefix and get rid of double slashes
bindir=`eval echo "$bindir/" | sed 's/\/\{1,\}/\//g'`
sbindir=`eval echo "$sbindir/" | sed 's/\/\{1,\}/\//g'`
etcdir=`eval echo "$etcdir/" | sed 's/\/\{1,\}/\//g'`
mandir=`eval echo "$mandir/" | sed 's/\/\{1,\}/\//g'`
datadir=`eval echo "$datadir/" | sed 's/\/\{1,\}/\//g'`
config=`eval echo "$config/" | sed 's/\/\{1,\}/\//g'`
plugindir=`eval echo "$plugindir/" | sed 's/\/\{1,\}/\//g'`
includedir=`eval echo "$includedir"/ | sed 's/\/\{1,\}/\//g'`
libevent=`eval echo "$libevent"/ | sed 's/\/\{1,\}/\//g'`

pidfile=`eval echo "$pidfile" | sed 's/\/\{1,\}/\//g'`
ipcsocket=`eval echo "$ipcsocket" | sed 's/\/\{1,\}/\//g'`
pcdir=`eval echo "$pcdir" | sed 's/\/\{1,\}/\//g'`

protocols_mods=""

cat <<EOF >Makefile.settings
## BitlBee settings, generated by configure
PREFIX=$prefix
BINDIR=$bindir
SBINDIR=$sbindir
ETCDIR=$etcdir
MANDIR=$mandir
DATADIR=$datadir
PLUGINDIR=$plugindir
CONFIG=$config
INCLUDEDIR=$includedir
PCDIR=$pcdir

TARGET=$target
ARCH=$arch
CPU=$cpu

INSTALL=install -p

DESTDIR=
LFLAGS=
EFLAGS=-lm
EOF

srcdir=$(cd $(dirname $0);pwd)
currdir=$(pwd)
if [ "$srcdir" != "$currdir" ]; then 
        echo
        echo "configure script run from a different directory. Will create some symlinks..."
        if [ ! -e Makefile -o -L Makefile ]; then
                COPYDIRS="doc lib protocols tests utils"
                mkdir -p $(cd "$srcdir"; find $COPYDIRS -type d)
                find . -name Makefile -type l -print0 | xargs -0 rm 2> /dev/null
                dst="$PWD"
                cd "$srcdir"
                for i in $(find . -name Makefile -type f); do
                        ln -s "$PWD${i#.}" "$dst/$i";
                done
                cd "$dst"
                rm -rf .bzr
        fi
        
        echo "_SRCDIR_=$srcdir/" >> Makefile.settings
        CFLAGS="$CFLAGS -I${dst}"
else
        srcdir=$PWD
fi

cat<<EOF >config.h
/* BitlBee settings, generated by configure
   
   Do *NOT* use any of these defines in your code without thinking twice, most
   of them can/will be overridden at run-time */

#define CONFIG "$config"
#define ETCDIR "$etcdir"
#define VARDIR "$datadir"
#define PLUGINDIR "$plugindir"
#define PIDFILE "$pidfile"
#define IPCSOCKET "$ipcsocket"
#define ARCH "$arch"
#define CPU "$cpu"
EOF



if [ -n "$target" ]; then
        PKG_CONFIG_LIBDIR=/usr/$target/lib/pkgconfig
        export PKG_CONFIG_LIBDIR
        PATH=/usr/$target/bin:$PATH
        CC=$target-cc
        LD=$target-ld
        systemlibdirs="/usr/$target/lib"
fi

if [ "$asan" = "1" ]; then
        CFLAGS="$CFLAGS -fsanitize=address"
        LDFLAGS="$LDFLAGS -fsanitize=address"
        debug=1
fi

if [ "$debug" = "1" ]; then
        echo 'DEBUG=1' >> Makefile.settings
        CFLAGS="$CFLAGS -g3 -DDEBUG -O0"
else
        [ -z "$CFLAGS" ] && CFLAGS="-O2 -fno-strict-aliasing"
fi

if [ "$pie" = "1" ]; then
        echo 'CFLAGS_BITLBEE=-fPIE' >> Makefile.settings
        echo 'LDFLAGS_BITLBEE=-pie' >> Makefile.settings
fi

echo LDFLAGS=$LDFLAGS >> Makefile.settings

echo CFLAGS=$CFLAGS $CPPFLAGS >> Makefile.settings
echo CFLAGS+=-I${srcdir} -I${srcdir}/lib -I${srcdir}/protocols -I. >> Makefile.settings

echo CFLAGS+=-DHAVE_CONFIG_H -D_GNU_SOURCE >> Makefile.settings

if [ -n "$CC" ]; then
        CC=$CC
elif type gcc > /dev/null 2> /dev/null; then
        CC=gcc
elif type cc > /dev/null 2> /dev/null; then
        CC=cc
else
        echo 'Cannot find a C compiler, aborting.'
        exit 1;
fi

echo "CC=$CC" >> Makefile.settings;
if echo $CC | grep -qw gcc; then
        # Apparently -Wall is gcc-specific?
        echo CFLAGS+=-Wall >> Makefile.settings
fi

if [ -z "$LD" ]; then
        if type ld > /dev/null 2> /dev/null; then
                LD=ld
        else
                echo 'Cannot find ld, aborting.'
                exit 1;
        fi
fi

echo "LD=$LD" >> Makefile.settings

if [ -z "$PKG_CONFIG" ]; then
        PKG_CONFIG=pkg-config
fi

if $PKG_CONFIG --version > /dev/null 2>/dev/null && $PKG_CONFIG glib-2.0; then
        if $PKG_CONFIG glib-2.0 --atleast-version=$GLIB_MIN_VERSION; then
                cat<<EOF >>Makefile.settings
EFLAGS+=`$PKG_CONFIG --libs glib-2.0 gmodule-2.0`
CFLAGS+=`$PKG_CONFIG --cflags glib-2.0 gmodule-2.0`
EOF
        else
                echo
                echo 'Found glib2 '`$PKG_CONFIG glib-2.0 --modversion`', but version '$GLIB_MIN_VERSION' or newer is required.'
                exit 1
        fi
else
        echo
        echo 'Cannot find glib2 development libraries, aborting. (Install libglib2-dev?)'
        exit 1
fi

if [ "$events" = "libevent" ]; then
        if ! [ -f "${libevent}include/event.h" ]; then
                echo
                echo 'Warning: Could not find event.h, you might have to install it and/or specify'
                echo 'its location using the --libevent= argument. (Example: If event.h is in'
                echo '/usr/local/include and binaries are in /usr/local/lib: --libevent=/usr/local)'
        fi
        
        echo '#define EVENTS_LIBEVENT' >> config.h
        cat <<EOF >>Makefile.settings
EFLAGS+=-levent -L${libevent}lib
CFLAGS+=-I${libevent}include
EOF
elif [ "$events" = "glib" ]; then
        ## We already use glib anyway, so this is all we need (and in fact not even this, but just to be sure...):
        echo '#define EVENTS_GLIB' >> config.h
else
        echo
        echo 'ERROR: Unknown event handler specified.'
        exit 1
fi
echo 'EVENT_HANDLER=events_'$events'.o' >> Makefile.settings

detect_gnutls()
{
        if $PKG_CONFIG --exists gnutls; then
                cat <<EOF >>Makefile.settings
EFLAGS+=`$PKG_CONFIG --libs gnutls` `libgcrypt-config --libs`
CFLAGS+=`$PKG_CONFIG --cflags gnutls` `libgcrypt-config --cflags`
EOF
                ssl=gnutls
                if ! pkg-config gnutls --atleast-version=2.8; then
                        echo
                        echo 'Warning: With GnuTLS versions <2.8, certificate expire dates are not verified.'
                fi
                ret=1
        elif libgnutls-config --version > /dev/null 2> /dev/null; then
                cat <<EOF >>Makefile.settings
EFLAGS+=`libgnutls-config --libs` `libgcrypt-config --libs`
CFLAGS+=`libgnutls-config --cflags` `libgcrypt-config --cflags`
EOF
                
                ssl=gnutls
                ret=1;
        else
                ret=0;
        fi;
}

detect_nss()
{
        if $PKG_CONFIG --version > /dev/null 2>/dev/null && $PKG_CONFIG nss; then
                cat<<EOF >>Makefile.settings
EFLAGS+=`$PKG_CONFIG --libs nss`
CFLAGS+=`$PKG_CONFIG --cflags nss`
EOF
                
                ssl=nss
                ret=1;
        else
                ret=0;
        fi;
}

RESOLV_TESTCODE='
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h> 

int main()
{

        res_query( NULL, 0, 0, NULL, 0);
        dn_expand( NULL, NULL, NULL, NULL, 0);
        dn_skipname( NULL, NULL);
}
'
RESOLV_NS_TESTCODE='
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h> 

int main()
{
        ns_initparse( NULL, 0, NULL );
        ns_parserr( NULL, ns_s_an, 0, NULL );
}
'
RESOLV_NS_TYPES_TESTCODE='
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>

int main()
{
        ns_msg nsh;
        ns_rr rr;

        /* Not all platforms we want to work on have
         ns_* routines, so use this to make sure
         the compiler uses it.*/
        return (int)(sizeof(nsh) + sizeof(rr));
}
'

detect_resolv_dynamic()
{
        case "$arch" in
        OpenBSD )
                # In FreeBSD res_*/dn_* routines are present in libc.so
                LIBRESOLV=;;
        FreeBSD )
                # In FreeBSD res_*/dn_* routines are present in libc.so
                LIBRESOLV=;;
        CYGWIN* )
                # In Cygwin res_*/dn_* routines are present in libc.so
                LIBRESOLV=;;
        * )
                LIBRESOLV=-lresolv;;
        esac
        TMPFILE=$(mktemp /tmp/bitlbee-configure.XXXXXX)
        ret=1
        echo "$RESOLV_TESTCODE" | $CC -o $TMPFILE -x c - $LIBRESOLV >/dev/null 2>/dev/null
        if [ "$?" = "0" ]; then
                echo "EFLAGS+=$LIBRESOLV" >> Makefile.settings
                ret=0
        fi

        rm -f $TMPFILE
        return $ret
}

detect_resolv_static()
{
        TMPFILE=$(mktemp /tmp/bitlbee-configure.XXXXXX)
        ret=1
        for i in $systemlibdirs; do
                if [ -f $i/libresolv.a ]; then
                        echo "$RESOLV_TESTCODE" | $CC -o $TMPFILE -x c - -Wl,$i/libresolv.a >/dev/null 2>/dev/null
                        if [ "$?" = "0" ]; then
                                echo 'EFLAGS+='$i'/libresolv.a' >> Makefile.settings
                                ret=0
                        fi
                fi
        done

        rm -f $TMPFILE
        return $ret
}

detect_resolv_ns_dynamic()
{
        case "$arch" in
        FreeBSD )
                # In FreeBSD ns_ routines are present in libc.so
                LIBRESOLV=;;
        * )
                LIBRESOLV=-lresolv;;
        esac
        TMPFILE=$(mktemp /tmp/bitlbee-configure.XXXXXX)
        ret=1
        echo "$RESOLV_NS_TESTCODE" | $CC -o $TMPFILE -x c - $LIBRESOLV >/dev/null 2>/dev/null
        if [ "$?" = "0" ]; then
                ret=0
        fi

        rm -f $TMPFILE
        return $ret
}

detect_resolv_ns_static()
{
        TMPFILE=$(mktemp /tmp/bitlbee-configure.XXXXXX)
        ret=1
        for i in $systemlibdirs; do
                if [ -f $i/libresolv.a ]; then
                        echo "$RESOLV_NS_TESTCODE" | $CC -o $TMPFILE -x c - -Wl,$i/libresolv.a >/dev/null 2>/dev/null
                        if [ "$?" = "0" ]; then
                                ret=0
                        fi
                fi
        done

        rm -f $TMPFILE
        return $ret
}

detect_nameser_has_ns_types()
{
    TMPFILE=$(mktemp /tmp/bitlbee-configure.XXXXXX)
    ret=1
    # since we aren't actually linking with ns_* routines
    # we can just compile the test code
    echo "$RESOLV_NS_TYPES_TESTCODE" | $CC -o $TMPFILE -x c -  >/dev/null 2>/dev/null
    if [ "$?" = "0" ]; then
        ret=0
    fi

    rm -f $TMPFILE
    return $ret
}

if [ "$ssl" = "auto" ]; then
        detect_gnutls
        if [ "$ret" = "0" ]; then
                # Disable NSS for now as it's known to not work very well ATM.
                #detect_nss
                :
        fi
elif [ "$ssl" = "gnutls" ]; then
        detect_gnutls
elif [ "$ssl" = "nss" ]; then
        detect_nss
elif [ "$ssl" = "openssl" ]; then
        echo
        echo 'No detection code exists for OpenSSL. Make sure that you have a complete'
        echo 'installation of OpenSSL (including devel/header files) before reporting'
        echo 'compilation problems.'
        echo
        echo 'Also, keep in mind that the OpenSSL is, according to some people, not'
        echo 'completely GPL-compatible. Using GnuTLS is recommended and better supported'
        echo 'by us. However, on many BSD machines, OpenSSL can be considered part of the'
        echo 'operating system, which makes it GPL-compatible.'
        echo
        echo 'For more info, see: http://www.openssl.org/support/faq.html#LEGAL2'
        echo '                    http://www.gnome.org/~markmc/openssl-and-the-gpl.html'
        echo
        echo 'Please note that distributing a BitlBee binary which links to OpenSSL is'
        echo 'probably illegal. If you want to create and distribute a binary BitlBee'
        echo 'package, you really should use GnuTLS instead.'
        echo
        echo 'Also, the OpenSSL license requires us to say this:'
        echo ' *    "This product includes software developed by the OpenSSL Project'
        echo ' *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"'
        
        echo 'EFLAGS+=-lssl -lcrypto' >> Makefile.settings
        
        ret=1
else
        echo
        echo 'ERROR: Unknown SSL library specified.'
        exit 1
fi

if [ "$ret" = "0" ]; then
        echo
        echo 'ERROR: Could not find a suitable SSL library (GnuTLS, libnss or OpenSSL).'
        echo '       Please note that this script doesn'\''t have detection code for OpenSSL,'
        echo '       so if you want to use that, you have to select it by hand.'
        
        exit 1
fi;

echo 'SSL_CLIENT=ssl_'$ssl'.o' >> Makefile.settings

if detect_nameser_has_ns_types; then
        echo '#define NAMESER_HAS_NS_TYPES' >> config.h
fi
if detect_resolv_dynamic || detect_resolv_static; then
        echo '#define HAVE_RESOLV_A' >> config.h
    if detect_resolv_ns_dynamic || detect_resolv_ns_static; then
            echo '#define HAVE_RESOLV_A_WITH_NS' >> config.h
    fi
else
    echo 'Insufficient resolv routines. Jabber server must be set explicitly'
fi


STORAGES="xml"

for i in $STORAGES; do
        STORAGE_OBJS="$STORAGE_OBJS storage_$i.o"
done
echo "STORAGE_OBJS="$STORAGE_OBJS >> Makefile.settings

if [ "$strip" = 0 ]; then
        echo "STRIP=\# skip strip" >> Makefile.settings;
else
        if [ "$debug" = 1 ]; then
                echo
                echo 'Stripping binaries does not make sense when debugging. Stripping disabled.'
                echo 'STRIP=\# skip strip' >> Makefile.settings
                strip=0;
        elif [ -n "$STRIP" ]; then
                echo "STRIP=$STRIP" >> Makefile.settings;
        elif type strip > /dev/null 2> /dev/null; then
                echo "STRIP=strip" >> Makefile.settings;
        else
                echo
                echo 'No strip utility found, cannot remove unnecessary parts from executable.'
                echo 'STRIP=\# skip strip' >> Makefile.settings
                strip=0;
        fi;
fi

if [ -z "$systemdsystemunitdir" ]; then
        if $PKG_CONFIG --exists systemd; then
                systemdsystemunitdir=`$PKG_CONFIG --variable=systemdsystemunitdir systemd`
        fi
fi
if [ -n "$systemdsystemunitdir" ]; then
        if [ "$systemdsystemunitdir" != "no" ]; then
                echo "SYSTEMDSYSTEMUNITDIR=$systemdsystemunitdir" >> Makefile.settings
        fi
fi

if [ "$gcov" = "1" ]; then
        echo "CFLAGS+=--coverage" >> Makefile.settings
        echo "EFLAGS+=--coverage" >> Makefile.settings
fi

if [ "$plugins" = 0 ]; then
        plugindir=""
        echo '#undef WITH_PLUGINS' >> config.h
else
        echo '#define WITH_PLUGINS' >> config.h
fi

otrprefix=""
for i in / /usr /usr/local; do
        if [ -f ${i}/lib/libotr.a ]; then
                otrprefix=${i}
                break
        fi
done
if [ "$otr" = "auto" ]; then
        if [ -n "$otrprefix" ]; then
                otr=1
        else
                otr=0
        fi
fi
if [ "$otr" = 1 ]; then
        # BI == built-in
        echo '#define OTR_BI' >> config.h
        echo "EFLAGS+=-L${otrprefix}/lib -lotr -lgcrypt" >> Makefile.settings
        echo "CFLAGS+=-I${otrprefix}/include" >> Makefile.settings
        echo 'OTR_BI=otr.o' >> Makefile.settings
elif [ "$otr" = "plugin" ]; then
        echo '#define OTR_PI' >> config.h
        echo "OTRFLAGS=-L${otrprefix}/lib -lotr" >> Makefile.settings
        echo "CFLAGS+=-I${otrprefix}/include" >> Makefile.settings
        echo 'OTR_PI=otr.so' >> Makefile.settings
fi
if [ "$otr" != 0 ] && ! pkg-config libotr --atleast-version=4.0; then
        echo
        echo 'WARNING: Your libotr seems to be old. BitlBee now needs at least libotr 4.0.'
        # Not hard-failing because the code above doesn't use pkg-config, so who knows
        # what's true at this point...
fi

if [ "$skype" = "1" -o "$skype" = "plugin" ]; then
        if [ "$arch" = "Darwin" ]; then
                echo "SKYPEFLAGS=-dynamiclib -undefined dynamic_lookup" >> Makefile.settings
        else
                echo "SKYPEFLAGS=-fPIC -shared" >> Makefile.settings
        fi
        echo 'SKYPE_PI=skype.so' >> Makefile.settings
        protocols_mods="$protocol_mods skype(plugin)"
fi

if [ ! -e doc/user-guide/help.txt ] && ! type xmlto > /dev/null 2> /dev/null; then
        echo
        echo 'WARNING: Building from an unreleased source tree without prebuilt helpfile.'
        echo 'Install xmlto if you want online help to work.'
fi

REAL_BITLBEE_VERSION=`grep '^#define BITLBEE_VERSION ' $srcdir/bitlbee.h | sed 's/.*\"\(.*\)\".*/\1/'`
echo
if [ -z "$BITLBEE_VERSION" -a -d .bzr ] && type bzr > /dev/null 2> /dev/null; then
        nick=`bzr nick`
        if [ -n "$nick" -a "$nick" != "bitlbee" ]; then
                nick="-$nick"
        else
                nick=""
        fi
        rev=`bzr revno`
        echo 'Using bzr revision #'$rev' as version number'
        BITLBEE_VERSION=$REAL_BITLBEE_VERSION-bzr$nick-$rev
fi

if [ -z "$BITLBEE_VERSION" -a -d .git ] && type git > /dev/null 2> /dev/null; then
        rev=`git describe --long --tags`-`git rev-parse --abbrev-ref HEAD`
        echo 'Using '$rev' as git version number'
        BITLBEE_VERSION=$rev-git
fi

if [ -n "$BITLBEE_VERSION" ]; then
        echo 'Spoofing version number: '$BITLBEE_VERSION
        echo '#undef BITLBEE_VERSION' >> config.h
        echo '#define BITLBEE_VERSION "'$BITLBEE_VERSION'"' >> config.h
        echo
else
        # for pkg-config
        BITLBEE_VERSION=$REAL_BITLBEE_VERSION
fi

if ! make helloworld > /dev/null 2>&1; then
        echo "WARNING: Your version of make (BSD make?) does not support BitlBee's makefiles."
        echo "BitlBee needs GNU make to build properly. On most systems GNU make is available"
        echo "under the name 'gmake'."
        echo
        if gmake helloworld > /dev/null 2>&1; then
                echo "gmake seems to be available on your machine, great."
                echo
        else
                echo "gmake is not installed (or not working). Please try to install it."
                echo
        fi
fi

cat <<EOF >bitlbee.pc
prefix=$prefix
includedir=$includedir
plugindir=$plugindir

Name: bitlbee
Description: IRC to IM gateway
Requires: glib-2.0
Version: $BITLBEE_VERSION
Libs:
Cflags: -I\${includedir}

EOF

protocols=''
protoobjs=''

if [ "$purple" = 0 ]; then
        echo '#undef WITH_PURPLE' >> config.h
else
        if ! $PKG_CONFIG purple; then
                echo
                echo 'Cannot find libpurple development libraries, aborting. (Install libpurple-dev?)'
                exit 1
        fi
        echo '#define WITH_PURPLE' >> config.h
        cat<<EOF >>Makefile.settings
EFLAGS += $($PKG_CONFIG purple --libs)
PURPLE_CFLAGS += $($PKG_CONFIG purple --cflags)
EOF
        protocols=$protocols'purple '
        protoobjs=$protoobjs'purple_mod.o '

        # only disable these if the user didn't enable them explicitly
        [ "$msn" = "default-on" ] && msn=0
        [ "$jabber" = "default-on" ] && jabber=0
        [ "$oscar" = "default-on" ] && oscar=0
        [ "$yahoo" = "default-on" ] && yahoo=0

        echo '#undef PACKAGE' >> config.h
        echo '#define PACKAGE "BitlBee-LIBPURPLE"' >> config.h
        
        if [ "$events" = "libevent" ]; then
                echo 'Warning: Some libpurple modules (including msn-pecan) do their event handling'
                echo 'outside libpurple, talking to GLib directly. At least for now the combination'
                echo 'libpurple + libevent is *not* recommended!'
                echo
        fi
fi

case "$CC" in
*gcc* )
        echo CFLAGS+=-MMD -MF .depend/\$@.d >> Makefile.settings
        for i in . lib tests protocols protocols/*/; do
                mkdir -p $i/.depend
        done
esac

if [ "$msn" = 0 ]; then
        echo '#undef WITH_MSN' >> config.h
else
        echo '#define WITH_MSN' >> config.h
        protocols=$protocols'msn '
        protoobjs=$protoobjs'msn_mod.o '
fi

if [ "$jabber" = 0 ]; then
        echo '#undef WITH_JABBER' >> config.h
else
        echo '#define WITH_JABBER' >> config.h
        protocols=$protocols'jabber '
        protoobjs=$protoobjs'jabber_mod.o '
fi

if [ "$oscar" = 0 ]; then
        echo '#undef WITH_OSCAR' >> config.h
else
        echo '#define WITH_OSCAR' >> config.h
        protocols=$protocols'oscar '
        protoobjs=$protoobjs'oscar_mod.o '
fi

if [ "$yahoo" = 0 ]; then
        echo '#undef WITH_YAHOO' >> config.h
else
        echo '#define WITH_YAHOO' >> config.h
        protocols=$protocols'yahoo '
        protoobjs=$protoobjs'yahoo_mod.o '
fi

if [ "$twitter" = 0 ]; then
        echo '#undef WITH_TWITTER' >> config.h
else
        echo '#define WITH_TWITTER' >> config.h
        protocols=$protocols'twitter '
        protoobjs=$protoobjs'twitter_mod.o '
fi

if [ "$protocols" = "PROTOCOLS = " ]; then
        echo "Warning: You haven't selected any communication protocol to compile!"
        echo "         BitlBee will run, but you will be unable to connect to IM servers!"
fi

echo "PROTOCOLS = $protocols" >> Makefile.settings
echo "PROTOOBJS = $protoobjs" >> Makefile.settings

echo Architecture: $arch
case "$arch" in
Linux )
;;
GNU/* )
;;
*BSD )
;;
Darwin )
        echo 'STRIP=\# skip strip' >> Makefile.settings
;;
IRIX )
;;
SunOS )
        echo 'EFLAGS+=-lresolv -lnsl -lsocket' >> Makefile.settings
        echo 'STRIP=\# skip strip' >> Makefile.settings
        echo '#define NO_FD_PASSING' >> config.h
;;
AIX )
        echo 'EFLAGS+=-Wl,-brtl' >> Makefile.settings
;;
CYGWIN* )
;;
Windows )
        echo 'Native windows compilation is not supported anymore, use cygwin instead.'
;;
* )
        echo 'We haven'\''t tested BitlBee on many platforms yet, yours is untested. YMMV.'
        echo 'Please report any problems at http://bugs.bitlbee.org/.'
;;
esac

if [ -n "$target" ]; then
        echo "Cross-compiling for: $target"
fi

echo
echo 'Configuration done:'

if [ "$debug" = "1" ]; then
        echo '  Debugging enabled.'
else
        echo '  Debugging disabled.'
fi

if [ "$asan" = "1" ]; then
        echo '  AddressSanitizer (ASAN) enabled.'
else
        echo '  AddressSanitizer (ASAN) disabled.'
fi

if [ "$pie" = "1" ]; then
        echo '  Building PIE executable'
else
        echo '  Building non-PIE executable'
fi

if [ "$strip" = "1" ]; then
        echo '  Binary stripping enabled.'
else
        echo '  Binary stripping disabled.'
fi

if [ "$otr" = "1" ]; then
        echo '  Off-the-Record (OTR) Messaging enabled.'
elif [ "$otr" = "plugin" ]; then
        echo '  Off-the-Record (OTR) Messaging enabled (as a plugin).'
else
        echo '  Off-the-Record (OTR) Messaging disabled.'
fi

if [ -n "$systemdsystemunitdir" ]; then
        echo '  systemd enabled.'
else
        echo '  systemd disabled.'
fi

echo '  Using event handler: '$events
echo '  Using SSL library: '$ssl
#echo '  Building with these storage backends: '$STORAGES

if [ -n "$protocols" ]; then
        echo '  Building with these protocols:' $protocols$protocols_mods
        case "$protocols" in
        *purple*)
                echo "    Note that BitlBee-libpurple is supported on a best-effort basis. It's"
                echo "    not *fully* compatible with normal BitlBee. Don't use it unless you"
                echo "    absolutely need it (i.e. support for a certain protocol or feature)."
        esac
else
        echo '  Building without IM-protocol support. We wish you a lot of fun...'
fi