cargo: support building as part of libstd

Support using `unwinding` as a backend for the libstd `unwind` crate.
This will enable unwinding support for new targets while allowing us to
continue to use `libunwind` from llvm for supported targets.

Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2023-08-05 20:41:26 +08:00 committed by Gary Guo
parent 953591ff1b
commit 1b30c6a79d

View File

@ -14,6 +14,8 @@ members = ["cdylib", "example"]
gimli = { version = "0.26.1", default-features = false, features = ["read-core"] } gimli = { version = "0.26.1", default-features = false, features = ["read-core"] }
libc = { version = "0.2", optional = true } libc = { version = "0.2", optional = true }
spin = { version = "0.9.8", optional = true, default-features = false, features = ["mutex", "spin_mutex"] } spin = { version = "0.9.8", optional = true, default-features = false, features = ["mutex", "spin_mutex"] }
core = { version = '1.0.0', optional = true, package = 'rustc-std-workspace-core' }
compiler_builtins = { version = "0.1.2", optional = true }
[features] [features]
alloc = [] alloc = []
@ -36,6 +38,7 @@ panic-handler = ["print", "panic"]
panic-handler-dummy = [] panic-handler-dummy = []
system-alloc = [] system-alloc = []
default = ["unwinder", "dwarf-expr", "hide-trace", "fde-phdr-dl", "fde-registry"] default = ["unwinder", "dwarf-expr", "hide-trace", "fde-phdr-dl", "fde-registry"]
rustc-dep-of-std = ["core", "gimli/rustc-dep-of-std", "compiler_builtins"]
[profile.release] [profile.release]
debug = true debug = true