#!/bin/sh

#defaults
prefix=/usr
dfblib=""
dfbinc=""

echo $run_cmd

usage()	{
	echo "usage $0 <options>"
	echo "options:"
	echo "--prefix=PREFIX	specify install prefix"
	echo "--with-dfblib=DIR	specify directfb lib dir"
	echo "--with-dfbinc=DIR	specify directfb include dir"
	echo
	}

while [ "$1" ]; do
	case "`echo $1 | awk -F= '{ print $1 }'`" in
		--prefix)	prefix=`echo $1 | awk -F= '{ print $2 }'`; shift;;
		--help)		usage; shift 1;;
		--with-dfblib)	dfblib=`echo $1 | awk -F= '{ print $2 }'`; shift;;
		--with-dfbinc)	dfbinc=`echo $1 | awk -F= '{ print $2 }'`; shift;;
	esac
done

echo "checking for dfb stuff ..."
dfb_inc_dir="0"
if [ -z "$dfbinc" ]; then
	for i in /usr/include /usr/local/include; do
		if [ -d $i/directfb ]; then
			dfb_inc_dir=$i/directfb
		fi
	done
else
	if [ -d $dfbinc/directfb ]; then
		dfb_inc_dir=$dfbinc/directfb
	fi
fi
if [ "$dfb_inc_dir" = "0" ]; then
	echo "dfb includes missing ..."
	exit 1
fi
dfb_lib_dir="0"
if [ -z "$dfblib" ]; then
	for i in /usr/lib /usr/local/lib; do
		if [ -f $i/libdirectfb.so ]; then
			dfb_lib_dir=$i
		fi
	done
else
	if [ -f $dfblib/libdirectfb.so ]; then
		dfb_lib_dir=$dfblib
	fi
fi
if [ "$dfb_lib_dir" = "0" ]; then
	echo "dfb libs missing ..."
	exit 1
fi
echo "directfb installation looks good :)"

echo "creating Makefile"
cat > Makefile << EOF
# morpheus Makefile, created `date`

INCLUDEDIR = /usr/include
CFLAGS = -DDEBUG -DUSE_DFB_API -DDISPLAY_FONT=\"$prefix/share/morpheus/decker.ttf\" -O3 -Wall -I$dfb_inc_dir
LIBS = -L$dfb_lib_dir -ldirectfb

OBJS = random.o display.o
OBJS2 = morpheus

morpheus: \$(OBJS)
	\$(CC) \$(CFLAGS) -o \$@ \$(OBJS) \$(LIBS) main.c

all: morpheus

clean:
	rm \$(OBJS) \$(OBJS2)

remake: clean all

install:
	mkdir -p $prefix/bin
	cp morpheus $prefix/bin
	chmod 755 $prefix/bin/morpheus
	mkdir -p $prefix/share/morpheus
	cp decker.ttf $prefix/share/morpheus
	chmod 644 $prefix/share/morpheus/decker.ttf
EOF

echo "done"