Alvar Hansen 24c8668eb7 Allow missing files in sources ...

Adds `optional` flag to `TargetSource` to allow files that do not exist yet.
This is useful in cases where build script will generate files.

2017-12-21 11:33:04 +02:00

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ProjectSpec.md

Allow missing files in sources

2017-12-21 11:33:04 +02:00