Looks like some of the libraries you rely on are not present in the environment you are trying to build in. From the link you submitted (which is messages from the autobuilder);

"libsqlite3.so.0, needed by /usr/lib/libQtWebKit.so, not found (try using -rpath or -rpath-link)
/scratchbox/compilers/cs2007q3-glibc2.5-arm7/bin/../lib/gcc/arm-none-linux-gnueabi/4.2.1/../../../../arm-none-linux-gnueabi/bin/ld: warning: libphonon.so.4, needed by /usr/lib/libQtWebKit.so, not found (try using -rpath or -rpath-link)
/scratchbox/compilers/cs2007q3-glibc2.5-arm7/bin/../lib/gcc/arm-none-linux-gnueabi/4.2.1/../../../../arm-none-linux-gnueabi/bin/ld: warning: libxcb.so.1, needed by /usr/lib/libQtWebKit.so, not found (try using -rpath or -rpath-link)|