$ sudo port install mldonkey ---> Building ocaml with target world.opt Error: Target org.macports.build returned: shell command " cd "/opt/ local/var/macports/build/ _opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_oc aml/work/ocaml-3.10.0" && unset LD_PREBIND LD_PREBIND_ALLOW_OVERLAP && make world.opt " returned error 2 Command output: cd byterun; make all make[1]: Nothing to be done for `all'. if test -f stdlib/libcamlrun.a; then :; else \ ln -s ../byterun/libcamlrun.a stdlib/libcamlrun.a; fi cd yacc; make all make[1]: Nothing to be done for `all'. cd lex; make all make[1]: Nothing to be done for `all'. cd tools; make all make[1]: Nothing to be done for `all'. cd stdlib; make all make[1]: Nothing to be done for `all'. cd asmrun; make all gcc -I../byterun -DCAML_NAME_SPACE -DNATIVE_CODE -DTARGET_power - DSYS_rhapsody -O -Wall -DDARWIN_VERSION_6 -D_FILE_OFFSET_BITS=64 - D_REENTRANT -c -o signals_asm.o signals_asm.c signals_asm.c: In function 'handle_signal': signals_asm.c:87: error: 'struct mcontext' has no member named '__ss' signals_asm.c:87: error: 'struct mcontext' has no member named '__ss' signals_asm.c:88: error: 'struct mcontext' has no member named '__ss' signals_asm.c: In function 'trap_handler': signals_asm.c:160: error: 'struct mcontext' has no member named '__ss' signals_asm.c:161: error: 'struct mcontext' has no member named '__ss' signals_asm.c:163: error: 'struct mcontext' has no member named '__ss' signals_asm.c:164: error: 'struct mcontext' has no member named '__ss' signals_asm.c: In function 'segv_handler': signals_asm.c:193: error: 'struct mcontext' has no member named '__ss' signals_asm.c:193: error: 'struct mcontext' has no member named '__ss' signals_asm.c:198: error: 'struct mcontext' has no member named '__ss' signals_asm.c:199: error: 'struct mcontext' has no member named '__ss' make[1]: *** [signals_asm.o] Error 1 make: *** [runtimeopt] Error 2 Error: The following dependencies failed to build: lablgtk ocaml Error: Status 1 encountered during processing.