On 13 Mar 2013, at 16:41, "Dave McGuire" <mcguire at neurotica.com> wrote: On 03/13/2013 04:21 PM, Cory Smelosky wrote: mkdir -p BIN gcc -std=c99 -U__STRICT_ANSI__ -O2 -finline-functions -fgcse-after-reload -fpredictive-commoning -fipa-cp-clone -fno-unsafe-loop-optimizations -fno-strict-overflow -flto -fwhole-program -Wno-unused-result -I . -D_GNU_SOURCE -DUSE_READER_THREAD -DSIM_ASYNCH_IO -DHAVE_DLOPEN=so sim_BuildROMs.c -o BIN/BuildROMs ld: fatal: auxiliary filter option (-f, --auxiliary) is only available when building a shared object First of all, Cory...have you tried using Sun's compiler? It kicks the snot out of GCC for SPARC code generation. I did give you a copy. Unfortunately I missed backing that up in the OS version testing it slipped my mind. :( -Dave -- Dave McGuire, AK4HZ New Kensington, PA