buildworld fails with distcc, buildkernel works fine though

Simon 'corecode' Schubert corecode at fs.ei.tum.de
Thu Oct 14 09:12:45 PDT 2004


On 14.10.2004, at 18:09, YONETANI Tomokazu wrote:
Thinking about it: how about

1. distcc'ing the tools stage. this will result in a fresh gcc.
2. distributing the compiler (or all the tools) to all nodes.
3. using this compiler (now guarranteed to be the same everywhere) to
compile world. hostcc will stay on host, of course.
Hmm, there are many places where ${CC} is used for other purpose than 
as a
compiler, and ${CC} will collect information from remote nodes rather 
than
the host node, if you use distcc unconditionally. That means you may 
also
have to share the same tree on each node, or else you have to look for 
each
usage of ${CC} and change it to not use distcc(or look for ${CC} and 
change
them only if it's safe to use distcc).
distcc is actually that intelligent to understand what the caller is 
trying to do. and only if a file needs to be compiled, it runs the 
compilation on a remote host. everything else, including preprocessing 
is done locally.

cheers
  simon
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