Avoid building C++ for rustc_llvm with --compile-time-deps

This saves about 30s.
2025-07-11 13:32:03 +00:00
parent 3fe3edbcde
commit 87958ad683
7 changed files with 17 additions and 0 deletions
--- a/compiler/rustc_llvm/Cargo.toml
+++ b/compiler/rustc_llvm/Cargo.toml
@@ -14,3 +14,7 @@ libc = "0.2.73"
 # pinned `cc` in `rustc_codegen_ssa` if you update `cc` here.
 cc = "=1.2.16"
 # tidy-alphabetical-end
+
+[features]
+# Used by ./x.py check --compile-time-deps to skip building C++ code
+check_only = []