[flang-commits] [flang] [llvm] [flang/flang-rt] Add -isysroot flag only to tests really requiring (PR #152914)

Michael Kruse via flang-commits flang-commits at lists.llvm.org
Mon Aug 11 01:27:06 PDT 2025


================
@@ -0,0 +1,13 @@
+from lit.llvm import llvm_config
+
+llvm_config.use_clang(required=False)
+if llvm_config.config.clang:
+    config.available_features.add("clang")
+    clangxx = next((subst for subst in llvm_config.config.substitutions
+        if "clangxx" in subst[0]), None)
+    config.substitutions.append(clangxx)
----------------
Meinersbur wrote:

Just move `llvm_config.use_clang(required=False)` to the top-level `lit.local.cfg`. We may eventually use `%clangxx` in tests in other folders, and I doubt keeping it local is worth the extra complexity.

https://github.com/llvm/llvm-project/pull/152914


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