configure

#!/bin/sh

#
# configure
#
# This script should be started before 'make'.
# It should detect your personal configuration.
#

OS=`uname`
case $OS in
	Linux) OSDEF=_LINUX ;;
	*BSD) OSDEF=_BSD ;;
	SunOS) OSDEF=_SUNOS ;;
	*) OSDEF=_UNKNOWN ;;
esac
echo "System define: $OSDEF"

echo -n "Looking for Xorg headers... "
X11PATH=""
test -r /usr/local/include/X11/Xlib.h && X11PATH=/usr/local
test -r /usr/X11R6/include/X11/Xlib.h && X11PATH=/usr/X11R6
if [ -z "$X11PATH" ]; then
	echo "not found (CONFIGURE ERROR!)."
	exit 1
else
	echo "found in $X11PATH"
fi

echo "Setting up prefixes..."
PREFIXSETUPBSD="\
.if !defined(PREFIX)\n\
PREFIX = \/usr\/local\n\
.endif\n\
\n\
.if !defined(X11BASE)\n\
X11BASE = $X11PATH\n\
.endif\n\
"

PREFIXSETUPGNU="\
ifndef PREFIX\n\
PREFIX = /usr/local\n\
endif\n\
\n\
ifndef X11BASE\n\
X11BASE = X11PATH\n\
endif\n\
"

rm -f ./conftest ./Makefile ./GNUmakefile
printf "Testing compiler ... ";
cc -Wall -Wstrict-prototypes -o conftest conftest.c
if [ $? -ne 0 ]; then
	echo "Compilation failed."
	exit 1
fi
./conftest

case $? in
0)   printf "cc: test FAILED.\n";exit 1;;
1)   ENDIANSTR="";;
2)   ENDIANSTR="-DUSE_LITTLE_ENDIAN";;
esac

OS=`uname`
case $OS in
*BSD)  printf "Using -pthread.\n"; PTHREAD="-pthread";;
    *) printf "Using -lpthread.\n"; PTHREAD="-lpthread";;
esac

printf "Searching special header files ...\n"
printf "fb.h: "
if test -r /usr/include/linux/fb.h ; then
    printf "found.\n";
    if test ! -e "/dev/fb0" ; then
    printf "Warning: /dev/fb0 doesn't exist.\n";
    fi
    FBSTR="-DFRAMEBUFFER"
else
    printf "not found.\n";
    unset FBSTR;
fi

printf "joystick.h: "
if test -r /usr/include/linux/joystick.h || test -r /usr/include/sys/joystick.h ; then
    printf "found.\n";
    if test ! -e "/dev/js0" ; then
	if test ! -e "/dev/joy0"; then
	    printf "Warning: /dev/js0 and /dev/joy0 don't exist.\n";
	    printf "         Setting device to /dev/js0.\n";
	fi
	case $OS in
	    *BSD)  printf "Using BSD joystick.\n"; JOYSTR="-DBSD_JOYSTICK";;
	    *) printf "Using Linux joystick.\n"; JOYSTR="-DJOYSTICK";;
	esac
    else
	JOYSTR="-DJOYSTICK"
    fi
    printf "Compiling joy-button configuration ... "
    JOYCONF="conf"
    JOYINST="install -m 755 -s .\/cingb_conf \/usr\/local\/bin\/cingb_conf"
    printf "ok\n";
else
    printf "not found.\n";
    unset JOYSTR;
fi

printf "soundcard.h: "
if test -r /usr/include/linux/soundcard.h || test -r /usr/include/sys/soundcard.h ; then
    printf "found.\n";
    SNDSTR="-DSOUND";
else
    printf "not found.\n";
    printf "audioio.h: "
    if test -r /usr/include/sys/audioio.h ; then
	printf "found.\n";
	SNDSTR="-DSOUND -DAUDIO";
    else
	printf "not found.\n";
	unset SNDSTR;
    fi
fi


printf "Xvlib.h: "
if test -r $X11PATH/include/X11/extensions/Xvlib.h ; then
    printf "found.\n";
    XVIDEODEF="-DWITH_XVIDEO";
    LIBXV="-lXv"
else
    printf "not found.\n";
    unset XVIDEODEF
    unset LIBXV
fi

printf "XShm.h: "
if test -r $X11PATH/include/X11/extensions/XShm.h ; then
    printf "found.\n";
    SHMSTR="-DMIT_SHM";
    LIBSHM="-lXext";
else
    printf "not found.\n";
    unset SHMSTR;
    unset LIBSHM;
fi

printf "Checking libraries  ...\n"
printf "libsocket ... "
if test -r /lib/libsocket.a || test -r /usr/lib/libsocket.a ; then
    printf "found.\n";
    LIBSOCK="-lsocket";
else
    printf "not found.\n"
    unset LIBSOCK;
fi

printf "libnsl ... "
if test -r /lib/libnsl.a || test -r /usr/lib/libnsl.a ; then
    printf "found.\n";
    LIBNSL="-lnsl";
else
    printf "not found.\n";
    unset LIBNSL;
fi


printf "Creating Makefile ... "
sed "s/%%%endian%%%/$ENDIANSTR/;s/%%%joystick%%%/$JOYSTR/;s/%%%framebuffer%%%/$FBSTR/;s/%%%sound%%%/$SNDSTR/;s/%%%libnsl%%%/$LIBNSL/;s/%%%libsocket%%%/$LIBSOCK/;s/%%%mitshm%%%/$SHMSTR/;s/%%%libext%%%/$LIBSHM/;s/%%%pthread%%%/$PTHREAD/;s/%%%joyconf%%%/$JOYCONF/;s/%%%joyinst%%%/$JOYINST/; s/%%%XVDEF%%%/$XVIDEODEF/; s/%%%LIBXV%%%/$LIBXV/; s/%%%OSDEF%%%/-D$OSDEF/" Makefile.templ > Makefile.pre

awk "/%%%prefix-setup%%%/ { print \"$PREFIXSETUPBSD\";next};{ print \$0 }" Makefile.pre > Makefile
awk "/%%%prefix-setup%%%/ { print \"$PREFIXSETUPGNU\";next};{ print \$0 }" Makefile.pre > GNUmakefile

if test "$?"="0"; then
	printf "ok\n";
else
        printf "FAILED\n";
	exit 1;
fi

if test -n "$JOYPATH" ; then
    printf "\n................................................\n";
    printf "Now run 'make'.\n";
fi