Alexander Leidinger

Just another weblog

Aug
29

Easy library depen­den­cies detec­tion for ports

In the last days I com­mit­ted some scripts to $PORTSDIR/Tools/scripts which help in detect­ing the explicit library depen­den­cies of installed ports. You just have to run $PORTSDIR/Tools/scripts/explicit_lib_depends.sh with the package-name of the installed port (alter­na­tively you can give the path to the reg­is­tered port, e.g. /var/db/pkg/gnome-terminal-2.18.1). One of the scripts which are called needs por­tup­grade installed. As an exam­ple here’s the com­plete out­put of a script run with the gnome–ter­mi­nal port:

# /usr/ports/Tools/scripts/explicit_lib_depends.sh gnome-terminal-2.18.1
USE_FREETYPE=yes
USE_GETTEXT=yes
USE_GNOME+=atk
USE_GNOME+=esound
USE_GNOME+=gconf2
USE_GNOME+=glib20
USE_GNOME+=gnomevfs2
USE_GNOME+=gtk20
USE_GNOME+=libartlgpl2
USE_GNOME+=libbonobo
USE_GNOME+=libbonoboui
USE_GNOME+=libglade2
USE_GNOME+=libgnome
USE_GNOME+=libgnomecanvas
USE_GNOME+=libgnomeui
USE_GNOME+=libxml2
USE_GNOME+=orbit2
USE_GNOME+=pango
USE_GNOME+=vte
USE_ICONV=yes
USE_XORG+=ice
USE_XORG+=sm
USE_XORG+=x11
USE_XORG+=xau
USE_XORG+=xcursor
USE_XORG+=xdmcp
USE_XORG+=xext
USE_XORG+=xfixes
USE_XORG+=xft
USE_XORG+=xi
USE_XORG+=xinerama
USE_XORG+=xrandr
USE_XORG+=xrender
audiofile:${PORTSDIR}/audio/libaudiofile
avahi-client:${PORTSDIR}/net/avahi
avahi-common:${PORTSDIR}/net/avahi
avahi-glib:${PORTSDIR}/net/avahi
cairo:${PORTSDIR}/graphics/cairo
dbus-1:${PORTSDIR}/devel/dbus
dbus-glib-1:${PORTSDIR}/devel/dbus-glib
expat:${PORTSDIR}/textproc/expat2
fontconfig:${PORTSDIR}/x11-fonts/fontconfig
gnome-keyring:${PORTSDIR}/security/gnome-keyring
jpeg:${PORTSDIR}/graphics/jpeg
png:${PORTSDIR}/graphics/png
popt:${PORTSDIR}/devel/popt
startup-notification-1:${PORTSDIR}/x11/startup-notification

All those libraries are directly ref­er­enced (dynam­i­cally linked in) in the bina­ries or libs of the gnome-terminal port, indi­rect (depen­den­cies of depen­den­cies) ones are not listed (and not needed). So the script allows to quickly pro­duce a list of libs/ports which

  • should be ref­er­enced in the port Make­file (new port devel­op­ment, port updates)
  • allows to check if a port lists all ref­er­enced LIB_DEPENDS (port maintenance)

To do this with all your ports you can run

for port in /var/db/pkg/*; do
echo $port:
/usr/ports/Tools/scripts/explicit_lib_depends.sh $port
done > explicit_depends.txt

Not all USE_* switches of the Ports Col­lec­tion are han­dled yet, if you stum­ble upon such a case, feel free to send me a mail.

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