mtr crazy dependency

> cd /usr/ports/*/mtr
> make all-depends-list | wc -l
     108
> make all-depends-list
/usr/ports/devel/gmake
/usr/ports/textproc/intltool
/usr/ports/devel/pkg-config
/usr/ports/accessibility/atk
/usr/ports/devel/glib20
/usr/ports/x11-toolkits/gtk20
/usr/ports/x11-toolkits/pango
/usr/ports/devel/gio-fam-backend
/usr/ports/devel/gettext
/usr/ports/lang/perl5.10
/usr/ports/textproc/p5-XML-Parser
/usr/ports/converters/libiconv
/usr/ports/devel/libtool22
/usr/ports/devel/gobject-introspection
/usr/ports/lang/python26
/usr/ports/devel/pcre
/usr/ports/x11/libXext
/usr/ports/x11/libXrender
/usr/ports/x11/libX11
/usr/ports/x11/libXinerama
/usr/ports/x11/libXi
/usr/ports/x11/libXrandr
/usr/ports/x11/libXcursor
/usr/ports/x11/libXfixes
/usr/ports/x11/libXdamage
/usr/ports/x11/libXcomposite
/usr/ports/graphics/png
/usr/ports/graphics/tiff
/usr/ports/graphics/jpeg
/usr/ports/graphics/jasper
/usr/ports/print/cups-client
/usr/ports/misc/shared-mime-info
/usr/ports/misc/hicolor-icon-theme
/usr/ports/print/freetype2
/usr/ports/x11-fonts/libXft
/usr/ports/graphics/cairo
/usr/ports/x11-fonts/xorg-fonts-truetype
/usr/ports/x11-fonts/encodings
/usr/ports/devel/gamin
/usr/ports/textproc/expat2
/usr/ports/textproc/flex
/usr/ports/devel/bison
/usr/ports/devel/libffi
/usr/ports/x11/xextproto
/usr/ports/x11/xproto
/usr/ports/x11/libXau
/usr/ports/x11/renderproto
/usr/ports/x11/libxcb
/usr/ports/devel/xorg-macros
/usr/ports/x11/bigreqsproto
/usr/ports/x11/xcmiscproto
/usr/ports/x11/xtrans
/usr/ports/x11/kbproto
/usr/ports/x11/inputproto
/usr/ports/x11-fonts/xf86bigfontproto
/usr/ports/x11/libXdmcp
/usr/ports/devel/automake111
/usr/ports/devel/autoconf268
/usr/ports/x11/xineramaproto
/usr/ports/x11/randrproto
/usr/ports/x11/fixesproto
/usr/ports/x11/damageproto
/usr/ports/x11/compositeproto
/usr/ports/graphics/jbigkit
/usr/ports/archivers/unzip
/usr/ports/graphics/libglut
/usr/ports/security/gnutls
/usr/ports/textproc/libxml2
/usr/ports/x11-fonts/fontconfig
/usr/ports/x11/xcb-util
/usr/ports/x11/pixman
/usr/ports/x11-fonts/font-bh-ttf
/usr/ports/x11-fonts/font-misc-meltho
/usr/ports/x11-fonts/font-misc-ethiopic
/usr/ports/x11-fonts/bitstream-vera
/usr/ports/x11-fonts/mkfontscale
/usr/ports/x11-fonts/bdftopcf
/usr/ports/x11-fonts/font-util
/usr/ports/misc/help2man
/usr/ports/devel/m4
/usr/ports/devel/libcheck
/usr/ports/textproc/libxslt
/usr/ports/x11/xcb-proto
/usr/ports/devel/libpthread-stubs
/usr/ports/devel/automake-wrapper
/usr/ports/devel/autoconf-wrapper
/usr/ports/x11/glproto
/usr/ports/x11/dri2proto
/usr/ports/x11/libXxf86vm
/usr/ports/x11-toolkits/libXmu
/usr/ports/graphics/libGLU
/usr/ports/security/libgcrypt
/usr/ports/security/libgpg-error
/usr/ports/security/libtasn1
/usr/ports/devel/gperf
/usr/ports/x11-fonts/mkfontdir
/usr/ports/x11-fonts/libfontenc
/usr/ports/x11-fonts/libXfont
/usr/ports/devel/p5-Locale-gettext
/usr/ports/devel/libsigsegv
/usr/ports/x11/xf86vidmodeproto
/usr/ports/x11-toolkits/libXt
/usr/ports/graphics/libGL
/usr/ports/x11-fonts/fontsproto
/usr/ports/x11/libSM
/usr/ports/devel/makedepend
/usr/ports/graphics/libdrm
/usr/ports/x11/libICE