From: Michael Froman <mfroman@mozilla.com>
Date: Tue, 8 Jul 2025 09:15:00 -0500
Subject: Bug 1974813 - (fix-78f1c67f1) don't process deps from
 'buildtools/third_party'

Mercurial Revision: https://hg.mozilla.org/mozilla-central/rev/9855b72bb8a73615cab39cbe8cf04679cc975050
---
 config/BUILDCONFIG.gn | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/config/BUILDCONFIG.gn b/config/BUILDCONFIG.gn
index 4d9c9f5db..f1189be21 100644
--- a/config/BUILDCONFIG.gn
+++ b/config/BUILDCONFIG.gn
@@ -558,6 +558,7 @@ foreach(_target_type,
         deps = []
       }
 
+      if (false) { # Mozilla
       if (is_clang && (!defined(invoker.use_libcxx_modules) ||
                        invoker.use_libcxx_modules)) {
         # This is necessary for Clang modules builds.
@@ -577,6 +578,7 @@ foreach(_target_type,
           "//buildtools/third_party/libc++:std_wctype_h",
         ]
       }
+      }
 
       # Consumed by the unsafe-buffers plugin during compile.
       #
@@ -652,6 +654,7 @@ foreach(_target_type,
       if (!defined(deps)) {
         deps = []
       }
+      if (false) { # Mozilla
       if (!defined(invoker.no_default_deps) || !invoker.no_default_deps) {
         # This pulls in one of:
         # //build/config:executable_deps
@@ -684,6 +687,7 @@ foreach(_target_type,
           "//buildtools/third_party/libc++:std_wctype_h",
         ]
       }
+      }
 
       # On Android, write shared library output file to metadata. We will use
       # this information to, for instance, collect all shared libraries that