We have recently improved the documentation for cross compiling NetSurf.
There is a guide to building NetSurf for RISC OS on Linux here: http://wiki.netsurf-browser.org/Documentation/BuildingForRISCOSQuickStartAlso, some slightly more general notes have been added in a new cross compilation section in the QUICK-START guide:
http://source.netsurf-browser.org/netsurf.git/plain/Docs/QUICK-START -- Michael Drake http://www.netsurf-browser.org/
