davef 
Any suggestions to sorting this error? ************************** /usr/local/arm/4.3.2/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.2/../../../../arm -none-linux-gnueabi/bin/ld: warning: libts-1.0.so.0, needed by /usr/local/Qt/lib/libQtGui.so, not found (try using -rpath or -rpath-link) /usr/local/arm/4.3.2/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.2/../../../../arm -none-linux-gnueabi/bin/ld: warning: libz.so.1, needed by /usr/local/Qt/lib/libQtGui.so, not found (try using -rpath or -rpath-link) /usr/local/Qt/lib/libQtGui.so: undefined reference to `ts_open' /usr/local/Qt/lib/libQtGui.so: undefined reference to `ts_config' etc etc collect2: ld returned 1 exit status *************************** libts-1.0.so.0 is in my /usr/local/tslib/lib libz.so.1 is in my /lib I have tried the following at the command line: export LD_LIBRARY_PATH="/lib:/usr/local/tslib/lib" and export LDFLAGS="-L/lib" export LDFLAGS="-L/usr/local/tslib/lib" and in qmake.conf QMAKE_LFLAGS += -Wl, -rpath-link=/lib:/usr/local/tslib/lib with no change in behaviour. Thank you. Dave