Re: [gentoo-user] Hoping someone can help explain distcc to me

[Alex Schuster <wonko@wonkology.org>]

victor romanchuk writes:

> >> i had noticed that distcc is peevish about CFLAGS: these should be
> >> compatible on both client and server. in my case i made these
> >> similar on both machines (laptop is core2duo and desktop is
> >> core2quad; both are running  amd64 arch)
> > 
> > I don't think this is true - as long as the CHOST is identical, there
> > should be no problem.
> 
> CHOST defines the arch (i686, amd64, arm ..) whilst CFLAGS control gcc
> behavior and the binary code generation produced by compiler. in my case
> core2quad (q8300) i'm using in the desktop supports sse4.1 instruction
> set and notebook powered with core2duo (t7600) does not have that cpu
> feature. having option `-msse4.1' set in CFLAGS at desktop side will
> causes frequent compilation failures (initiated by distcc) or, in worst
> case - arbitrary crashes at notebook when running binaries compiled in
> distributed distcc environment

But how could the gcc on the desktop, called via distcc, even see the CFLAGS 
in the desktops make.conf? This just cannot be.
I have been using march=athlon-xp on my desktop, and yet used it as distcc 
server for my Pentium-III notebook for years. Worked fine.

	Wonko