Allow platform-specific startup options #22763
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team-Configurability
platforms, toolchains, cquery, select(), config transitions
type: feature request
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@peakschris and would this be for host platforms? |
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Yes, host platform I believe makes sense. |
jwcullen
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Oct 23, 2024
… Clang versions.
- Add approximate required versions of GCC/Clang.
- Address #4, but leave issue open until we enforce this in the build.
- Adds some documentation on how to build for native Windows, and we have existing GitHub CI building it. Close some issues:
- Fix #5
- Fix #6.
- Due to bazelbuild/bazel#22763 it is difficult to configure custom "startup" options for windows. For now the instructions tell the user what configuration changes can be used to fix Windows "long path issues".
- Drop "Linux" from build instructions header. All platform specific requirements are in the prerequisite sections. Build and test commands work on all supported platforms.
PiperOrigin-RevId: 688994914
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@peakschris, currently attempting to do a very similar thing, did you manage to find a nice work-around to this? |
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Unfortunately not. We have a configure script for windows and linux that copies a platform-specific .bazelrc file into '%workspace%\.bazelrc.plat' and this is referenced by .bazelrc. I don't think there is any alternative at this time to avoid a configure script. |
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@peakschris thanks for the response, hopefully this feature is worked on as it would certainly simplify things! |
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Description of the feature request:
Where a startup option is platform specific, currently there is no way to handle it in a single .bazelrc file that supports both platforms.
This would be desired:
A similar syntax and set of built-in platforms to those supported by
--enable_platform_specific_configwould seem reasonable. I am not suggesting that we support the --config command line for startup.Which category does this issue belong to?
Configurability
What underlying problem are you trying to solve with this feature?
A single .bazelrc file that can build multiple platforms without needing to 'configure' the file prior to first build.
Which operating system are you running Bazel on?
windows
What is the output of
bazel info release?7.2.0
If
bazel info releasereturnsdevelopment versionor(@non-git), tell us how you built Bazel.No response
What's the output of
git remote get-url origin; git rev-parse HEAD?No response
Have you found anything relevant by searching the web?
No response
Any other information, logs, or outputs that you want to share?
No response
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