try lld for runtime builds

ZuseZ4 · ZuseZ4 · commit 8738dd6065b4 · 2025-12-16T07:30:02.000-08:00
diff --git a/src/bootstrap/src/core/build_steps/llvm.rs b/src/bootstrap/src/core/build_steps/llvm.rs
@@ -1018,6 +1018,8 @@ impl Step for OmpOffload {
             .define("OPENMP_STANDALONE_BUILD", "ON")
             .define("LLVM_ROOT", builder.llvm_out(target).join("build"))
             .define("LLVM_DIR", builder.llvm_out(target).join("lib").join("cmake").join("llvm"));
+
+        cfg.define("LLVM_USE_LINKER", "lld");
         if let Some(p) = clang_dir {
             cfg.define("Clang_DIR", p);
         }

Original file line number	Diff line number	Diff line change
`@@ -1018,6 +1018,8 @@ impl Step for OmpOffload {`
`1018`	`1018`	`.define("OPENMP_STANDALONE_BUILD", "ON")`
`1019`	`1019`	`.define("LLVM_ROOT", builder.llvm_out(target).join("build"))`
`1020`	`1020`	`.define("LLVM_DIR", builder.llvm_out(target).join("lib").join("cmake").join("llvm"));`
	`1021`	`+`
	`1022`	`+ cfg.define("LLVM_USE_LINKER", "lld");`
`1021`	`1023`	`if let Some(p) = clang_dir {`
`1022`	`1024`	`cfg.define("Clang_DIR", p);`
`1023`	`1025`	`}`