Comments (4)
In fact, let me expose those on system_cxx_toolchain, since its a very common thing to want.
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You'd configure that in the toolchain. Looking at our open source examples, https://github.com/facebook/buck2/blob/main/examples/prelude/toolchains/BUCK#L7 defines the toolchain, https://github.com/facebook/buck2/blob/main/prelude/toolchains/cxx.bzl#L100-L107 defines the rule. We seem to have only made link_style configurable thus far, but it should be easy to make other fields like CxxCompilerInfo.compiler_flags configurable tool. Or you can define your own rule (I'd start by copying and pasting system_cxx_toolchain) that does whatever you think is best in terms of toolchain configuration (that's what we do internally at Meta, as quickly the toolchain becomes quite tailored).
from buck2.
In fact, let me expose those on system_cxx_toolchain, since its a very common thing to want.
maybe,It can list examples cpp project for use any cpp version 🤔
from buck2.
I think it should be sufficient to do:
system_cxx_toolchain(
name = "cxx",
cxx_flags = ["-std=c++20"],
visibility = ["PUBLIC"],
)
from buck2.
Related Issues (20)
- export_exe isn't documented on buck2.build
- `expand-external-cell` fails when using inotify watcher HOT 3
- fstring support HOT 2
- buck-out directory as cachedir HOT 3
- feature: "top-level-types required" mode for `.bzl` files HOT 7
- Feature: act as Make job server when executing locally
- Recommendations for making hermetic runnables?
- Best way to define a pure Runnable from a command line? HOT 1
- Documentation on toolchains is lacking HOT 2
- Documentation on labels is lacking
- Failed to spawn a process -- buck2 tries to execute directory HOT 2
- sh_binary rule for windows is incorrectly trying to resolve symlinks during remote execution HOT 3
- symbolic links for resources used in sh_binary rule not working for windows remote execution. HOT 2
- bootstrap python doesn't work with symbolic links on windows remote execution.
- Stream test logs to custom test runner HOT 1
- Transitive sets don't aggregate across cells HOT 1
- How do I depend on Buck2 targets from another project? HOT 11
- Building and running tests in a single command HOT 5
- [Docs] Comprehensive Getting Started Documentation HOT 4
- erlang_release: "failed to cleanup output directory" when setting `include_erts = True`
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