Hi, we have 10.5.1 and Ports 1.6.0 gcc43 builds just fine. Is there a way to stop it building gcc4.0 for grads and use Mac gcc ? /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_gcc40/work/gcc-4.0.4/gcc/config/rs6000/host-darwin.c /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_gcc40/work/gcc-4.0.4/gcc/config/rs6000/host-darwin.c:38: warning: 'struct sigaltstack' declared inside parameter list /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_gcc40/work/gcc-4.0.4/gcc/config/rs6000/host-darwin.c:38: warning: its scope is only this definition or declaration, which is probably not what you want /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_gcc40/work/gcc-4.0.4/gcc/config/rs6000/host-darwin.c:38: error: conflicting types for 'sigaltstack' /usr/include/signal.h:89: error: previous declaration of 'sigaltstack' was here /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_gcc40/work/gcc-4.0.4/gcc/config/rs6000/host-darwin.c: In function 'segv_handler': /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_gcc40/work/gcc-4.0.4/gcc/config/rs6000/host-darwin.c:67: error: 'struct __darwin_mcontext' has no member named 'ss' /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_gcc40/work/gcc-4.0.4/gcc/config/rs6000/host-darwin.c:116: error: 'struct __darwin_mcontext' has no member named 'es' /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_gcc40/work/gcc-4.0.4/gcc/config/rs6000/host-darwin.c:116: error: 'struct __darwin_mcontext' has no member named 'ss' /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_gcc40/work/gcc-4.0.4/gcc/config/rs6000/host-darwin.c: In function 'darwin_rs6000_extra_signals': /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_gcc40/work/gcc-4.0.4/gcc/config/rs6000/host-darwin.c:130: warning: passing argument 1 of 'sigaltstack' from incompatible pointer type make[2]: *** [host-darwin.o] Error 1 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [stage1_build] Error 2 make: *** [profiledbootstrap] Error 2 Error: The following dependencies failed to build: gcc40 Error: Status 1 encountered during processing.