#set -x
#a subdirectory called xplayback will be created in these dirs
#in which mame/mess tarballs of executables after building
MAME=/mnt/mame
MESS=/mnt/mess

#set this to make 64 bit exe
is64=
is64=64

# set to make gdb useable
DEBUG=1
DEBUG=

# to see if patch file exists
if [ ! -f "$1" ] ; then
	echo source archive "$1" DOES NOT EXIST
	echo usage "buildit sdlmXXX0XXX-wolf.diff"
	exit
fi

if [ ! -d "$MAME"/xplayback -o ! -d "$MESS"/xplayback ] ; then
	echo directories "$MAME"/xplayback and -"$MESS"/xplayback must exist
	exit
fi

# convert the patch file name you want to build to the source zip ball
dist=`echo $1|sed s@-wolf.diff@.zip@`
a=`echo $dist|sed s/.zip//`

mameormess=`echo $a|sed 's/^.*\(m[ae][ms][es]\).*/\1/'`
if [ "$is64" = "" ] ; then
	postfix=.i386
else
	postfix=
fi

# see if the exectuable has already been built

if [ "$mameormess" = "mess" ] ; then
	if [ -f $MESS/xplayback/wolf$a$postfix.tar.bz2 ] ; then
		echo Executable archive exists $MESS/xplayback/wolf$a$postfix.tar.bz2
		echo are you sure you want to rebuild it?
		echo if so then rm -f $MESS/xplayback/wolf$a$postfix.tar.bz2
		exit
	fi
else
	if [ -f $MAME/xplayback/xwolf-`echo $a|sed s/^sdlmame0//`$postfix.tar.bz2 ] ; then
		echo Executable archive exists $MAME/xplayback/xwolf-`echo $a|sed s/^sdlmame0//`$postfix.tar.bz2
		echo are you sure you want to rebuild it?
		echo if so then rm -f $MAME/xplayback/xwolf-`echo $a|sed s/^sdlmame0//`$postfix.tar.bz2
		exit
	fi
fi

echo MAMEORMESS $mameormess

if [ ! -f "$MESS/playback/$dist" ] ; then
	# get the source file from harp
	base=`echo $a|sed 's@[0-9.-]*$@@'`
	pushd . 
	cd $MESS/playback
	wget http://emulators.homeactionreplay.org/"$base"-mirror/$dist
	popd
fi

#clean the source 
rm -rf /tmp/"$a"
unzip -o $MESS/playback/"$dist" -d /tmp

# get the version#, not needed yet
version=`echo $a|sed 's/^.*0\([0-9]*\).*$/\1/'`

#goto the extracted source
PATDIR="`pwd`"
cd /tmp/$a

#and patch
echo PATCHING $1
# first crstrip the files in the patch dir
for b in `grep ^+++ "$PATDIR/$1" |sed 's/[\t]/ /g'|cut -d' ' -f2|cut -d/ -f2-` ; do
	sed 's/[\r]//' < "$b" > /tmp/crstrip.$$
	mv /tmp/crstrip.$$ "$b"
done
/usr/bin/patch -l -p1 < "$PATDIR/$1"

#and build

if [ "$DEBUG" = "1" ] ; then
	MAKEOPTS="$MAKEOPTS SYMBOLS=1"
fi
#add make multiple jobs for multiple processors
echo VERSION=$version
if [ "$mameormess" = "mess" ] ; then
	if [ "$version" -lt "137" ] ; then
		MAKEOPTS="-f makefile.sdl"
	else
		MAKEOPTS="TARGET=mess"
	fi
else
	if [ "$version" -lt "137" ] ; then
		MAKEOPTS="-f makefile.sdl"
	else
		MAKEOPTS="TARGET=mame"
	fi
fi
#add make multiple jobs for multiple processors
if [ `cat /proc/cpuinfo |egrep processor.*:|wc -l` -gt "1" ] ; then
        #MAKEOPTS="$MAKEOPTS -j3"
        MAKEOPTS="$MAKEOPTS -j`cat /proc/cpuinfo |egrep processor.*:|wc -l`"
	echo -------------------- USING MAKEOPTS $MAKEOPTS
fi

#silent quiet just print compile command lines
#MAKEOPTS="$MAKEOPTS -n"

# there are many warnings now just ignore them
MAKEOPTS="$MAKEOPTS NOWERROR=1"

if [ "$is64" = "" ] ; then
	echo making 32bit $MAKEOPTS
	nice make $MAKEOPTS 
else
	echo making $MAKEOPTS PTR64=1 AMD64=1 PM=
	nice make $MAKEOPTS PTR64=1 AMD64=1 PM=
fi

#and archive the executable
if [ -x "$mameormess""$is64" -o -x "$mameormess" -o -x xmame.x11 ] ; then
	if [ "$mameormess" = "mess" ] ; then
		#move twice to make sure i get it
		mv "$mameormess""$is64" mess
		mv "$mameormess" mess
		tar cfj $MESS/xplayback/wolf$a$postfix.tar.bz2 mess
	else
		if [ ! -x xmame.x11 ] ; then
			#move twice to make sure i get it
			mv "$mameormess""$is64" xmame.x11
			mv "$mameormess" xmame.x11
		fi
		tar cfj $MAME/xplayback/xwolf-`echo $a|sed -e s/^sdlmame0// -e s/^xmame-0.//`$postfix.tar.bz2 xmame.x11
	fi
	# clean the source if a succesfful compile
	#rm -rf /tmp/"$a"
	#rm -rf $MESS/playback/"$dist"
else
	echo DID NOT BUILD $mameormess 
fi