[haiku-bugs] Re: [Haiku] #8724: Jamming components that rely upon OptionalBuildFeatures
- From: "bonefish" <trac@xxxxxxxxxxxx>
- Date: Fri, 13 Jul 2012 06:02:11 -0000
#8724: Jamming components that rely upon OptionalBuildFeatures
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Reporter: mmadia | Owner: bonefish
Type: enhancement | Status: new
Priority: normal | Milestone:
Component: Build System | Version: R1/Development
Resolution: | Keywords:
Blocked By: | Blocking:
Has a Patch: 0 | Platform: All
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Comment (by bonefish):
I wonder if it's worth the effort. If you build WebPositive often (e.g.
because you work on it) it is not a big deal to enable the optional build
feature in your UserBuildConfig.
To implement the feature is probably not that complicated. To implement it
in an elegant way might be, though. A simple solution would be to check in
build/jam/CommandLineArguments what targets are built and, if WebPositive
is among them, enable the optional build feature. Given that the plan is
to eventually outsource a lot more third party software, including
libraries, this method will probably need a declaration file similar to
OptionalPackageDependencies.
The method isn't elegant for at least two reasons: One, the declaration of
the dependency is separate from the place where the dependency is used,
i.e. it can easily get out of sync. Two, this only works, if the target is
listed on the command line like that. Pseudo targets (e.g. "webpositive-
with-add-ons") won't work, unless listed as well.
I guess the second issue cannot really be solved without modifying jam
itself. The first one is at least a bit tricky.
--
Ticket URL: <http://dev.haiku-os.org/ticket/8724#comment:1>
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