Add libc to [workspace.dependencies].

Author: nnethercote

Cargo.toml

@@ -63,6 +63,9 @@ exclude = [
 # tidy-alphabetical-start
 bitflags = "2.9.3"
 itertools = "0.12.1"
+# FIXME: Remove this pin once this rustix issue is resolved
+# https://github.com/bytecodealliance/rustix/issues/1496
+libc = "=0.2.174"
 memchr = "2.7.5"
 rustc-literal-escaper = "0.0.5"
 thin-vec = "0.2.14"

compiler/rustc_codegen_llvm/Cargo.toml

@@ -13,7 +13,7 @@ bitflags.workspace = true
 # by `rustc_codegen_ssa` via its `thorin-dwp` dependency.
 gimli = "0.31"
 itertools.workspace = true
-libc = "0.2"
+libc.workspace = true
 measureme = "12.0.1"
 object = { version = "0.37.0", default-features = false, features = ["std", "read"] }
 rustc-demangle = "0.1.21"

compiler/rustc_codegen_ssa/Cargo.toml

@@ -48,7 +48,7 @@ wasm-encoder = "0.219"
 
 [target.'cfg(unix)'.dependencies]
 # tidy-alphabetical-start
-libc = "0.2.50"
+libc.workspace = true
 # tidy-alphabetical-end
 
 [dependencies.object]

compiler/rustc_data_structures/Cargo.toml

@@ -47,7 +47,7 @@ features = [
 
 [target.'cfg(unix)'.dependencies]
 # tidy-alphabetical-start
-libc = "0.2"
+libc.workspace = true
 # tidy-alphabetical-end
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]

compiler/rustc_driver_impl/Cargo.toml

@@ -56,7 +56,7 @@ tracing.workspace = true
 
 [target.'cfg(all(unix, any(target_env = "gnu", target_os = "macos")))'.dependencies]
 # tidy-alphabetical-start
-libc = "0.2"
+libc.workspace = true
 # tidy-alphabetical-end
 
 [target.'cfg(windows)'.dependencies.windows]

compiler/rustc_llvm/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2024"
 
 [dependencies]
 # tidy-alphabetical-start
-libc = "0.2.73"
+libc.workspace = true
 # tidy-alphabetical-end
 
 [build-dependencies]

compiler/rustc_metadata/Cargo.toml

@@ -36,5 +36,5 @@ tracing.workspace = true
 
 [target.'cfg(target_os = "aix")'.dependencies]
 # tidy-alphabetical-start
-libc = "0.2"
+libc.workspace = true
 # tidy-alphabetical-end

compiler/rustc_session/Cargo.toml

@@ -27,10 +27,8 @@ tracing.workspace = true
 # tidy-alphabetical-end
 
 [target.'cfg(unix)'.dependencies]
-# FIXME: Remove this pin once this rustix issue is resolved
-# https://github.com/bytecodealliance/rustix/issues/1496
 # tidy-alphabetical-start
-libc = "=0.2.174"
+libc.workspace = true
 # tidy-alphabetical-end
 
 [target.'cfg(windows)'.dependencies.windows]

compiler/rustc_thread_pool/Cargo.toml

@@ -23,7 +23,7 @@ rand_xorshift = "0.4"
 scoped-tls = "1.0"
 
 [target.'cfg(unix)'.dev-dependencies]
-libc = "0.2"
+libc.workspace = true
 
 [[test]]
 name = "stack_overflow_crash"

src/tools/compiletest/Cargo.toml

@@ -35,7 +35,7 @@ walkdir = "2"
 # tidy-alphabetical-end
 
 [target.'cfg(unix)'.dependencies]
-libc = "0.2"
+libc.workspace = true
 
 [target.'cfg(windows)'.dependencies]
 miow = "0.6"