Compiling multiple output files from custom build rule, without undue maintenance?
Compiling multiple output files from custom build rule, without undue maintenance?
- Subject: Compiling multiple output files from custom build rule, without undue maintenance?
- From: Allen Cronce <email@hidden>
- Date: Tue, 3 Nov 2009 17:46:37 -0800
Hi all,
We have a custom build process that generates multiple c or cpp files
from a single input. I've been experimenting with integrating this
source generation with Xcode using the custom build rule mechanism.
I can get things to work by setting up a custom build rule for the
target, then manually adding the expected derived files in the "with
output files" section. Any source files generated that are also listed
as output files are in turn compiled and built, complete with
dependency analysis, which is very neat.
What's not so neat is that we could have lots of source files
generated by this process. Further, I expect a fair amount of turnover
regarding the number and names of the generated files, at least for
some period of time. This translates to a lot of potential maintenance
associated with the "with output files" list.
Is there any way to provide a list of files to the "with output files"
section? I've tried wildcarding the path and other hacks, but nothing
seems to work. Unfortunately this mechanism seems best suited for a
one-to-one relationship between the input and output files.
The only way that I can think of currently would be to not try to
directly compile the generated files, but instead meta generate, or
edit an existing, xcodeproj project, specifying the generated file
list directly in the project.pbxproj XML, then call xcodebuild on that
project.
While this would work, it would have its own ongoing maintenance
issues, especially if Apple changes their project format. Although it
might be preferable to generating a makefile, where we'd have to
translate our xcconfig settings to the right gcc options, which has
its own potential for maintenance problems other mayhem.
I have to admit that this level of hackery gives even me pause ;-)
Hopefully someone has a better idea. Thanks in advance for any
suggestions that might help.
Best,
--
Allen Cronce
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