[PATCH] D125399: [gn build] Use llvm-ar when clang_base_path is specified

[Arthur Eubanks via Phabricator via llvm-commits]

aeubanks created this revision.
aeubanks added a reviewer: thakis.
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This prevents warnings with use_thinlto like

  bfd plugin: LLVM gold plugin has failed to create LTO module: Not an int attribute (Producer: 'LLVM15.0.0git' Reader: 'LLVM 13.0.1')


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D125399

Files:
  llvm/utils/gn/build/toolchain/BUILD.gn


Index: llvm/utils/gn/build/toolchain/BUILD.gn
===================================================================
--- llvm/utils/gn/build/toolchain/BUILD.gn
+++ llvm/utils/gn/build/toolchain/BUILD.gn
@@ -174,7 +174,11 @@
 
 unix_toolchain("unix") {
   if (current_os != "ios" && current_os != "mac") {
-    ar = "ar"
+    if (clang_base_path != "") {
+      ar = rebase_path(clang_base_path, root_build_dir) + "/bin/llvm-ar"
+    } else {
+      ar = "ar"
+    }
   }
 
   toolchain_args = {


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