[...]
Making all in xfce4-about
make[2]: Entering directory `/tmp/xfce-utils-4.0.6/xfce4-about'
/bin/sh ../libtool --mode=link gcc -s -O3 -march=i686 -o xfce4-about
xfce4_about-info.o -Wl,--export-dynamic -L/usr/local/lib -lgtkhtml-2
-lgtk-x11-2.0 -lxml2 -lpthread -lz -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lm
-lpangoxft-1.0 -lpangox-1.0 -lpango-1.0 -lgobject-2.0 -lgmodule-2.0 -ldl
-lglib-2.0 -Wl,--export-dynamic -L/usr/X11R6/lib -L/usr/local/lib -lSM -lICE
-lX11 -lXinerama -lXext -lxfcegui4 -lgtk-x11-2.0 -lxfce4util -lgdk-x11-2.0
-latk-1.0 -lgdk_pixbuf-2.0 -lm -lpangoxft-1.0 -lpangox-1.0 -lpango-1.0
-lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0
gcc -s -O3 -march=i686 -o xfce4-about xfce4_about-info.o -Wl,--export-dynamic
-Wl,--export-dynamic -L/usr/local/lib /usr/local/lib/libgtkhtml-2.so
-L/usr/X11R6/lib -L/usr/local/BerkeleyDB.4.1/lib /usr/local/lib/libgailutil.so
/usr/local/lib/libgnomecanvas-2.so /usr/local/lib/libart_lgpl_2.so
/usr/local/lib/libpangoft2-1.0.so /usr/local/lib/libXcursor.so
/usr/local/lib/libXrender.so -lgpm /usr/local/lib/libxml2.so -lpthread -lz
/usr/local/lib/libxfcegui4.so -lSM -lICE -lX11 -lXinerama -lXext
/usr/local/lib/libgtk-x11-2.0.so /usr/local/lib/libxfce4util.so
/usr/local/lib/libgdk-x11-2.0.so /usr/local/lib/libatk-1.0.so
/usr/local/lib/libgdk_pixbuf-2.0.so -lm /usr/local/lib/libpangoxft-1.0.so
/usr/local/lib/libpangox-1.0.so /usr/local/lib/libpango-1.0.so
/usr/local/lib/libgobject-2.0.so /usr/local/lib/libgmodule-2.0.so -ldl
/usr/local/lib/libglib-2.0.so
/usr/local/lib/libgtkhtml-2.so: undefined reference to `xmlDebugDumpOneNode'
collect2: ld returned 1 exit status
make[2]: *** [xfce4-about] Error 1
make[2]: Leaving directory `/tmp/xfce-utils-4.0.6/xfce4-about'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/xfce-utils-4.0.6'
make: *** [all] Error 2