Hi In my feeble and ignorance, I'm attempting to build CogVM on OpenBSD. I've come across some problems that my limited skills cannot solve.
$ make gcc -g -O2 -msse2 -DNDEBUG -DITIMER_HEARTBEAT=1 -DNO_VM_PROFILE=1 -DCOGMTVM=0 -DDEBUGVM=0 -I/usr/X11R6/include -I/usr/local/include -msse -DLSB_FIRST=1 -DHAVE_CONFIG_H -DSQUEAK_BUILTIN_PLUGIN -I/home/dusty/CogVM/openCogVm/unixbuild/bld -I/home/dusty/CogVM/openCogVm/unixbuild/bld -I/home/dusty/CogVM/openCogVm/platforms/unix/vm -I/home/dusty/CogVM/openCogVm/platforms/Cross/vm -I/home/dusty/CogVM/openCogVm/src/vm -I/home/dusty/CogVM/openCogVm/platforms/Cross/vm -I/home/dusty/CogVM/openCogVm/platforms/unix/vm -I/home/dusty/CogVM/openCogVm/src/vm -I/home/dusty/CogVM/openCogVm/platforms/Cross/plugins/FilePlugin -I/home/dusty/CogVM/openCogVm/platforms/unix/plugins/B3DAcceleratorPlugin -I/home/dusty/CogVM/openCogVm/unixbuild/bld -I/home/dusty/CogVM/openCogVm/unixbuild/bld -I/home/dusty/CogVM/openCogVm/platforms/unix/vm -I/home/dusty/CogVM/openCogVm/platforms/Cross/vm -I/home/dusty/CogVM/openCogVm/src/vm -I/usr/X11R6/include -c -o sqUnixMain.o /home/dusty/CogVM/openCogVm/platforms/unix/vm/sqUnixMain.c /home/dusty/CogVM/openCogVm/platforms/unix/vm/sqUnixMain.c:62:22: error: execinfo.h: No such file or directory /home/dusty/CogVM/openCogVm/platforms/unix/vm/sqUnixMain.c:820:3: error: #error need to implement extracting pc from a ucontext_t on this system /home/dusty/CogVM/openCogVm/platforms/unix/vm/sqUnixMain.c: In function 'reportStackState': /home/dusty/CogVM/openCogVm/platforms/unix/vm/sqUnixMain.c:824: error: 'fp' undeclared (first use in this function) /home/dusty/CogVM/openCogVm/platforms/unix/vm/sqUnixMain.c:824: error: (Each undeclared identifier is reported only once /home/dusty/CogVM/openCogVm/platforms/unix/vm/sqUnixMain.c:824: error: for each function it appears in.) /home/dusty/CogVM/openCogVm/platforms/unix/vm/sqUnixMain.c:824: error: 'sp' undeclared (first use in this function) *** Error code 1 Stop in /home/dusty/CogVM/openCogVm/unixbuild/bld/vm (line 273 of Makefile). *** Error code 1 Stop in /home/dusty/CogVM/openCogVm/unixbuild/bld (line 406 of Makefile). $ And the offending code is >> #if COGVM /* If we're in generated machine code then the only way the stack * dump machinery has of giving us an accurate report is if we set * stackPointer & framePointer to the native stack & frame pointers. */ # if __APPLE__ && __MACH__ && __i386__ void *fp = (void *)(uap ? uap->uc_mcontext->ss.ebp: 0); void *sp = (void *)(uap ? uap->uc_mcontext->ss.esp: 0); # elif __linux__ && __i386__ void *fp = (void *)(uap ? uap->uc_mcontext.gregs[REG_EBP]: 0); void *sp = (void *)(uap ? uap->uc_mcontext.gregs[REG_ESP]: 0); # elif __FreeBSD__ && __i386__ void *fp = (void *)(uap ? uap->uc_mcontext.mc_ebp: 0); void *sp = (void *)(uap ? uap->uc_mcontext.mc_esp: 0); # elif __sun__ && __i386__ void *fp = (void *)(uap ? uap->uc_mcontext.gregs[REG_FP]: 0); void *sp = (void *)(uap ? uap->uc_mcontext.gregs[REG_SP]: 0); # else # error need to implement extracting pc from a ucontext_t on this system # endif char *savedSP, *savedFP; ifValidWriteBackStackPointersSaveTo(fp,sp,&savedFP,&savedSP); #endif I have got ucontext.h from src and stuff. Anyway. I want to know what on earth I should do with call stacks and ucontext and what all this is... Somebody educate me. I need to be schooled. Many thanks Dusty