On Sat, Nov 30, 2013 at 12:39:59PM +0900, Mike Hommey wrote:
> Incidentally, in those two weeks, I did two attempts at building
> without unified sources, resulting in me filing 4 bugs in different
> modules for problems caused by 6 different landings[1]. I think it is time
> to seriously think about having regular non-unified builds (bug 942167).
> If that helps, I can do that on birch until that bug is fixed.
Speaking of which, there are essentially two classes of such errors:
- missing headers.
- namespace spilling.
The latter is due to one source doing "using namespace foo", and some
other source forgetting the same because, in the unified case, they
benefit from the other source doing it. I think in the light of unified
sources, we should forbid non-scoped use of "using".
That is:
using namespace foo;
would be forbidden, but
namespace bar {
using namespace foo;
}
wouldn't. In most cases, bar could be mozilla anyways.
Thoughts?
Mike
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