================
@@ -168,10 +169,45 @@ def push_dynamic_library_lookup_path(config, new_path):
r"/i386(?=-[^/]+$)", "/x86_64", config.compiler_rt_libdir
)
+
+# Check if the test compiler resource dir matches the local build directory
+# (which happens with -DLLVM_ENABLE_PROJECTS=clang;compiler-rt) or if we are
+# using an installed clang to test compiler-rt standalone. In the latter case
+# we may need to override the resource dir to match the path of the just-built
+# compiler-rt libraries.
+test_cc_resource_dir, _ = get_path_from_clang(
+ shlex.split(config.target_cflags) + ["-print-resource-dir"],
allow_failure=True
+)
+# Normalize the path for comparison
+if test_cc_resource_dir is not None:
+ test_cc_resource_dir = os.path.realpath(test_cc_resource_dir)
+if lit_config.debug:
+ lit_config.note(f"Resource dir for {config.clang} is
{test_cc_resource_dir}")
+local_build_resource_dir = os.path.realpath(config.compiler_rt_output_dir)
+if test_cc_resource_dir != local_build_resource_dir:
+ if config.test_standalone_build_libs and config.compiler_id == "Clang":
----------------
arichardson wrote:
That absolutely makes sense and I'll add that warning. Using GCC currently
already fails with obscure errors later, but having a warning before should
make that less surprising :)
https://github.com/llvm/llvm-project/pull/83088
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