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Dedupe include dirs inherited from dependencies #3974

Merged
merged 1 commit into from
Oct 12, 2016
Merged

Dedupe include dirs inherited from dependencies #3974

merged 1 commit into from
Oct 12, 2016

Commits on Oct 12, 2016

  1. Dedupe include dirs inherited from dependencies 

    If you build a big number of packages, all with
the same extra -I flags, the flags get inherited
by the dependent packages and duplicated.
For big dependency trees it can exceed the
maximum command line length on some systems,
this happened to me with Linux and hoogle 5.

This patch decreases the redundancy by
dropping all but the first occurrence of
an include dir, preserving the semantics,
as they are processed left to right.
    Bartosz Nitka committed Oct 12, 2016
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