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- Support for prerequisite globbing [feature 0.5.0]
* Need a syntax to say "all excluding these".
{*/ -build/ -doc/}
{*/ - build/ doc/}
* There is POSIX glob(7) API.
* Probably both * (one level) and ** (recursive).
* Probably only support wildcards in one component.
* May make sense to provide generic support in libbutl since will probably
be used in other places (e.g., subprojects globbing).
* Maybe globbing should be an eval context function, e.g.,
(*.cxx -foo.cxx)
If relative is it always performed in src? BTW, if out == src then we
may end up finding extra stuff.
* The prerequisite idea does not fit well for directories: They are out while
we need to search in src. Also, we need to include the buildfiles.
d = (*/ -build/)
./: $d
include $d
Another option would be to add some magic to directory handling. Sure would
be nice to just write:
./: {*/ -build/}
I think we can have a reasonable model for prerequisite search (it is target
type-specific). Include will be harder.
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