configure

echo -n "Searching C++ compiler ... "
[ -z `which g++` ] && { echo no; exit; }
echo yes

echo -n "Searching sdl-config ... "
[ -z `which sdl-config` ] && { echo no; exit; }
echo yes

# create dummy object-file for testing of libraries
echo "int main(int,char **) { return 0; }" | g++ -c -x c++ -o tst.o -

okay=yes
LPATH=`sdl-config --libs | sed 's/ -l.*//;s/-L//'`
echo "Searching libraries in $LPATH"
for LIB in SDL SDL_gfx SDL_ttf
do
  echo -n "library $LIB ... "
  g++ -L$LPATH -l$LIB tst.o 2>/dev/null
  if [ $? = 0 ]
  then echo yes
  else echo no; okay=no
  fi
done
rm -f a.out
[ $okay = no ] && { echo "Some libraries are missing"; exit; }

echo -n "Searching font files ... "

case "$(uname -s)" in
	Darwin)
		echo 'searching in a Mac OS X '
		FONTPATH="/Library/Fonts/Arial.ttf"
		FONTPATH_MONO="/Library/Fonts/Courier New.ttf"
		# we could try to load lucida grande or Apple Symbols.ttf
	;;
	
	CYGWIN*|MINGW*|MSYS*)
		echo 'searching in a MS Windows '
		FONTPATH="C:\\\\Windows\\\\Fonts\\\\Arial.ttf"
		FONTPATH_MONO="C:\\\\Windows\\\\Fonts\\\\COUR.ttf"
		# we could try to load trebuchet or segoe...
	;;
    
    *)
    	echo 'searching in a Linux or other OS '
    		FONTDIR=/usr/share/fonts
	
		if test $# -gt 1; then
			if test $1 = "--fontdir"; then
				shift
				FONTDIR="$1"
			else
	    		echo "unexpected option $1"
	    		exit
			fi
		fi
		
		FONTPATH=`find $FONTDIR -name FreeSans.ttf`
		FONTPATH_MONO=`find $FONTDIR -name FreeMonoBold.ttf`
	;;
esac

if [ -z "$FONTPATH" ] || [ -z "$FONTPATH_MONO" ]
then okay=no
else echo okay
fi

[ $okay = no ] && { echo "TrueType font-spec not found"; exit; }

if [ -e "config.h" ]; then
	echo "File config.h is already present."
else
	echo "const char* FONTPATH=\"$FONTPATH\";" > config.h
	echo "const char* FONTPATH_MONO=\"$FONTPATH_MONO\";" >> config.h
	echo "//#define arcColor pieColor //uncomment this if your version of SDL_gfx is too old" >> config.h
	echo "Created: config.h. Edit it to specify a custom font file."
fi

echo "Now you can run 'make'"