On 13 Mar 2013, at 16:58, "Mark Pizzolato - Info Comm" <Mark at infocomm.com> wrote: On Wednesday, March 13, 2013 at 1:21 PM, Cory Smelosky wrote: bash-3.2$ gmake vax lib paths are: /lib /usr/lib using libm: /lib/libm.so using librt: /lib/librt.so using libpthread: /lib/libpthread.so /usr/include/pthread.h using libdl: /lib/libdl.so /usr/include/dlfcn.h using libpcap: /usr/local/lib/libpcap.a /usr/local/include/pcap.h *** Warning *** *** Warning *** vax Simulator being built with networking support using *** Warning *** libpcap components from www.tcpdump.org. *** Warning *** Some users have had problems using the www.tcpdump.org libpcap *** Warning *** components for simh networking. For best results, with *** Warning *** simh networking, it is recommended that you install the *** Warning *** libpcap-dev package from your Solaris distribution *** Warning *** *** *** vax Simulator being built with: *** - compiler optimizations and no debugging support. GCC Version: 4.6.3.. *** - networking support using libpcap components from www.tcpdump.org. *** 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 ld: fatal: flags processing errors Modification to makefile is to remove -flto -fwhole-program. Then it builds fine. ;) I'd like to get this to work without any modifications to the makefile. Can you send the output of the following: $ gcc --help=optimizers $ gcc -v --help $ gcc -v /dev/null Thanks. http://pastebin.com/ijqnUajq - Mark