Stuff

 cc -O2 -fno-strict-aliasing -pipe -I.. -I.. -DXTHREADS -DXUSE_MTSAFE_API -I/usr/local/include/atk-1.0 -I/usr/local/include/cairo -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -I/usr/X11R6/include/gtk-2.0 -I/usr/X11R6/lib/gtk-2.0/include -I/usr/X11R6/include/pango-1.0 -I/usr/X11R6/include -I/usr/local/include/freetype2 -I/usr/local/include -I/usr/X11R6/include -I/usr/X11R6/include -I/usr/local/include/xfce4 -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -c libxfcegui4-scan.c  -fPIC -DPIC -o .libs/libxfcegui4-scan.o
 cc -O2 -fno-strict-aliasing -pipe -I.. -I.. -DXTHREADS -DXUSE_MTSAFE_API -I/usr/local/include/atk-1.0 -I/usr/local/include/cairo -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -I/usr/X11R6/include/gtk-2.0 -I/usr/X11R6/lib/gtk-2.0/include -I/usr/X11R6/include/pango-1.0 -I/usr/X11R6/include -I/usr/local/include/freetype2 -I/usr/local/include -I/usr/X11R6/include -I/usr/X11R6/include -I/usr/local/include/xfce4 -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -c libxfcegui4-scan.c -o libxfcegui4-scan.o >/dev/null 2>&1
gtk-doc: Linking scanner
cc -O2 -fno-strict-aliasing -pipe -o .libs/libxfcegui4-scan .libs/libxfcegui4-scan.o  ../libxfcegui4/.libs/libxfcegui4.so -L/usr/X11R6/lib -L/usr/local/lib /usr/X11R6/lib/libgtk-x11-2.0.so /usr/X11R6/lib/libgdk-x11-2.0.so -lXrandr -lXi -lXinerama /usr/local/lib/libatk-1.0.so /usr/X11R6/lib/libgdk_pixbuf-2.0.so /usr/X11R6/lib/libpangocairo-1.0.so -lXcursor -lXfixes /usr/local/lib/libcairo.so -pthread -lpng /usr/X11R6/lib/libpangoft2-1.0.so /usr/X11R6/lib/libfontconfig.so /usr/local/lib/libexpat.so /usr/local/lib/libfreetype.so -lz /usr/X11R6/lib/libpango-1.0.so -lm -lXrender -lXext /usr/local/lib/libgmodule-2.0.so /usr/X11R6/lib/libxfce4util.so /usr/local/lib/libgobject-2.0.so /usr/local/lib/libglib-2.0.so /usr/local/lib/libintl.so /usr/local/lib/libiconv.so /usr/X11R6/lib/libstartup-notification-1.so -lSM -lICE -lX11  -Wl,--rpath -Wl,/usr/local/lib -Wl,--rpath -Wl,/usr/X11R6/lib
../libxfcegui4/.libs/libxfcegui4.so: undefined reference to `xfce_desktop_entry_has_translated_entry'
Linking of scanner failed: 
gmake[2]: *** [scan-build.stamp] Error 1
gmake[2]: Leaving directory `/usr/ports/x11-toolkits/libxfce4gui/work/libxfcegui4-4.4.0/docs'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/ports/x11-toolkits/libxfce4gui/work/libxfcegui4-4.4.0'
gmake: *** [all] Error 2
*** Error code 2

Stop in /usr/ports/x11-toolkits/libxfce4gui.
*** Error code 1

Stop in /usr/ports/sysutils/xfce4-mcs-manager.
*** Error code 1

Stop in /usr/ports/sysutils/xfce4-mcs-plugins.
*** Error code 1

Stop in /usr/ports/x11-wm/xfce4.
[coll@/usr/ports/x11-wm/xfce4 #]