Specifying the -g flag to GCC on a RISC iX machine requires upgrading the standard assembler distributed with both RISC iX 1.1 and RISC iX 1.2 with a replacement that is available from Acorn. This version of the assembler is also an order of magnitude faster when assembling to an NFS mounted file-system. Users of RISC iX 1.2 and above can obtain a copy of the assembler from the following places: 1) Via ftp from acorn.acorn.co.uk, directory pub/riscix. 2) From Acorn Customer Services. 3) From Granada Microcare. Users of versions of RISC iX prior 1.2 should contact Acorn Customer Services; the assembler available on the net will not work with these versions due to changes in the shared libraries and system call numbers.