Vorländer wrote: > John E. Malmberg <[EMAIL PROTECTED]> wrote: > >> Thomas Pfau wrote: >> >>> I just snagged a copy to try to build under Simh. It wouldn't build >>> with MMS. I tried again using MMK but it got hung compiling >>> Ext/Digest/Sha/Sha.c. It grew to consume all available working set and >>> then went totally CPU bound - no IO, no faults, nothing, just compute. >>> Stayed that way for about an hour before I killed it. I just started >>> another build after removing Digest::Sha from the list of builtins. >>> >> That sounds like a known bug in the VAX DECC optimizer, PYTHON on VAX >> has a similar problem. If we can find the offending routine, it may be >> possible to put a VAX specific DECC pragma around it to disable >> optimization for that routine to fix it. >> > For the time being, a workaround would be to break out of the build, > compile SHA.C by hand with /NOOPTIMIZE, and restart the build. > I remember doing exactly that at some time to get perl to build. > I compiled it manually with /NOOPTIMIZE and it completed fairly quickly.
I don't see any #pragma directives that control optimization in the compiler help. How do you turn optimization on and off?
