[Nix-dev] Re: make -j<n> howto?

[Michael Raskin]

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Peter Simons wrote:
| result of the build. An obvious example for the latter kind are
warnings: a
| binary that has been compiled with "-Wall" does not differ from one
that has
| been compiled with "-Wno-all". Similarly, a build that has been driven by
Except that in insane Makefile replacing -Wall that is only used as a
parameter to gcc meaning warning level with -Wno-all will change
resulting binary. Yes, that requires a lot: say, -Werror and error
suppression and a wildcard used for soma arcane reason. Nevertheless, we
cannot automatically verify that we are not caught unprepared.

| "make --silent" doesn't differ from one that was driven by "make --debug".


| Nix doesn't know that.
And no program can know such things absolutely reliably..

|  > Undoubtedly Gentoo people regularly build packages with specific -j
|  > flags, so they probably know how much breakage it causes...
|
| Yes, as a matter of fact one of those packages that breaks down in a
| concurrent build is Nix itself. The dependencies are incomplete. I suspect
| the problem is in the aterm library. I could probably submit a patch.
Which
| makes me wonder: is it possible to get SVN access? It feels like posting
| code and/or patches to the mailing list is not the best way to
participate.
Write to Eelco Dolstra..
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