On 12 Nov 2004, [EMAIL PROTECTED] wrote: > Hi all. > > I am new to distcc and am seeking a bit of advise. First off, some > background: > > I just "inherited" the duty of overseeing the build system for a fairly large > project. The project's native C components target the following > architechtures-OSs: > > IA32-linux > S390-Linux > IA32-windows > SPARC-Solaris > RISC-HPUX > PPC-AIX > S390-ZOS > ISeries-OS400 (yes, I know) > > Our compile farm consists of one machine for each target. > > Currently, the build system is, IMHO, pretty old-school and inefficient. > Basically, all the source code is pushed from the master build machine (SCP or > FTP) to the targets where it is natively compiled, linked, packaged and > returned > to the master build machine. My ultimate goal is to set up gcc > cross-compilers > on all the machines in the farm and use distcc to distribute the compilation.
As Dan says, it is probably way too complex to do a pure cross build on a software tree that was not originally designed that way. (Can you make packages for Z/OS or OS/400 on Linux?) You might try using rsync to make transfers of the source marginally faster, if that's slowing you down. You can use distcc to make the compiles somewhat faster on the target platforms; for example perhaps your Sparc machine is old and clunky and you don't want to buy another one, or perhaps you only have an S/390 emulator. While running the main build on the Sparc you could use cross-compilers through distcc to speed it up. This can only be done on platforms that use gcc and that are reasonably Unixy. So definitely strike the Z/OS and OS/400. If you use gcc on the proprietary Unixes you should still be OK. The easiest one would be using one Linux platform to speed up the other; it should be possible to get that going in a matter of days. This won't make your build control system any cleaner but it might make it cycle faster. So I'm not quite so pessimistic as Dan, so long as you start with a modest scope. Whether you consider it sufficiently broken to worry about speeding up is up to you. If builds on those platforms are hurting your project then it might be worth a try. -- Martin
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