#!/bin/sh

name="nlsop"

#defaults
prefix=/usr
dfblib=""
dfbinc=""
nodfb=0

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;;
		--without-dfb)	nodfb=1; 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 [ "$dfb_inc_dir" = "0" ]; then
	echo "dfb includes not found ..."
	nodfb=1
fi
dfb_lib_dir="0"
if [ -z "$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 not found ..."
	nodfb=1
fi

[ "$nodfb" = "0" ] && echo "directfb installation looks good :)"

echo "creating Makefile"

cat > Makefile << EOF
# $name Makefile, created `date`

INCLUDEDIR = /usr/include
EOF

if [ "$nodfb" = "0" ]; then

cat >> Makefile << EOF
CFLAGS = -DDEBUG -DUSE_DFB_API -DFONT=\"$prefix/share/$name/decker.ttf\" -O3 -Wall -I$dfb_inc_dir
LIBS = -L$dfb_lib_dir -ldirectfb

OBJS = random.o dfbapi.o
EOF

else

cat >> Makefile << EOF
CFLAGS = -DDEBUG -DNODFB -O3 -Wall
LIBS =

OBJS = random.o
EOF

fi

cat >> Makefile << EOF
OBJS2 = $name

$name: \$(OBJS)
	\$(CC) \$(CFLAGS) -o \$@ \$(OBJS) \$(LIBS) ${name}.c

all: $name

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

remake: clean all

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

echo "done"