Index: base/allocator/partition_allocator/src/partition_alloc/BUILD.gn
--- base/allocator/partition_allocator/src/partition_alloc/BUILD.gn.orig
+++ base/allocator/partition_allocator/src/partition_alloc/BUILD.gn
@@ -907,7 +907,7 @@ if (is_clang_or_gcc) {
         configs -= [ partition_alloc_enable_arc_config ]
       }
     }
-    if (is_chromeos || is_linux) {
+    if ((is_chromeos || is_linux) && !is_bsd) {
       shim_headers += [
         "shim/allocator_shim_override_cpp_symbols.h",
         "shim/allocator_shim_override_glibc_weak_symbols.h",
