Re: How to disable GCC parallel compilation of universal binaries?

In comp.sys.mac.programmer.help Ben Artin <macdev@[EMAIL PROTECTED]
> wrote:
> *THAT* is a good point, but then AFAIK gcc doesn't perform any
parallelization 
> -- one invocation of gcc equals one process, no parallel builds. Even if
gcc is 
> compiling for two archs from one invocation of gcc, I believe that still
happens 
> on a single processor.

I would have said the same thing before this thread, but I just tested it,

and passing two arch flags really does result in two invocations of the 
compiler running simultaneously:

$ gcc -arch ppc -arch i386 test.c

Thes while that was running:

$ ps wwaux|grep cc1|grep -v grep
mikeash   7632  65.5 -10.3   332972 216580  p8  U+    6:31PM   0:01.21 
/usr/libexec/gcc/powerpc-apple-darwin8/4.0.1/cc1 -quiet -D__DYNAMIC__ 
test.c -fPIC -quiet -dumpbase test.c -auxbase test -o /var/tmp//cccaMajP.s
mikeash   7633  60.3 -10.3   333112 216872  p8  U+    6:31PM   0:01.20 
/usr/libexec/gcc/i686-apple-darwin8/4.0.1/cc1 -quiet -D__DYNAMIC__ test.c 
-fPIC -quiet -dumpbase test.c -march=nocona -auxbase test -o 
/var/tmp//ccjtQrfF.s

-- 
Michael Ash
Rogue Amoeba Software