[distcc] Wrapper for different GCC versions.

[Fergus Henderson]

On Tue, Aug 26, 2008 at 3:05 PM, Daniel Beecham <joshu at goobah.org> wrote:

> Hi there everyone.
> First post here, so to introduce me, I'm Daniel. :-)
>
> I have three computers, a Gentoo hardened server, a Gentoo desktop and a
> Gentoo laptop. All run core2duo, but i don't want to give the server
> anything unstable, like the gcc 4.3.
>
> Well, anyway, i've compiled gcc 4.3 (called via /usr/bin/gcc-4.3.1), and i
> want everything compiled by the server (for the laptop/desktop) via distcc
> to be of that version. Searching, i've found (
> http://lists.samba.org/archive/distcc/2006q4/003468.html) a previous mail
> by this mailing list where Patrick shows his way of doing it. Here's how it
> looks for me (thank you, Patrick):
>
> sh-3.2# cd /usr/lib/distcc/bin/
> sh-3.2# ls -la
> total 16
> drwxr-xr-x 3 root   root 4096 Aug 26 20:05 .
> drwxr-xr-x 3 root   root 4096 Aug 26 13:04 ..
> drwxr-xr-x 2 root   root 4096 Aug 26 15:30 .backup
> -rw-r--r-- 1 distcc  240    0 Aug 26 15:13 .keep_sys-devel_distcc-0
> lrwxrwxrwx 1 root   root    7 Aug 26 15:28 c++ -> wrapper
> lrwxrwxrwx 1 root   root    7 Aug 26 15:28 cc -> wrapper
> lrwxrwxrwx 1 root   root    7 Aug 26 15:28 g++ -> wrapper
> lrwxrwxrwx 1 root   root   15 Aug 26 15:30 g++-4.3.1 -> /usr/bin/distcc
> lrwxrwxrwx 1 root   root    7 Aug 26 15:28 gcc -> wrapper
> lrwxrwxrwx 1 root   root   15 Aug 26 15:29 gcc-4.3.1 -> /usr/bin/distcc
> -rwxr-xr-x 1 root   root   60 Aug 26 15:27 wrapper
> lrwxrwxrwx 1 root   root    7 Aug 26 15:30 x86_64-pc-linux-gnu-c++ ->
> wrapper
> lrwxrwxrwx 1 root   root    7 Aug 26 15:30 x86_64-pc-linux-gnu-g++ ->
> wrapper
> sh-3.2# cat wrapper
> #!/bin/bash
> exec /usr/lib/distcc/bin/g${0:$[-2]}-4.3.1 "$@"
>
> But, trying to compile, it tells me the gcc 4.3-only flag -march=core2 is a
> bad value. (as if it's using gcc 3.4.6. Am i doing something wrong?


Did you add /usr/lib/distcc/bin to the start of your PATH?
What's the compilation command?
Which distcc version are you using?
For debugging, try adding "set -x" (after the #! line) to your bash wrapper
script, and set DISTCC_VERBOSE=1.

-- 
Fergus Henderson <fergus at google.com>
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