From 6cab6e6438ed04f49d53db96f3dba8e4abdfcc0d Mon Sep 17 00:00:00 2001
From: Will Pfleger <pfleger.will@gmail.com>
Date: Sun, 12 Jul 2026 12:25:51 -0400
Subject: [PATCH] fix(build): allow vendored opus to configure under CMake 4
 (#1763)

---
 .cargo/config.toml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.cargo/config.toml b/.cargo/config.toml
index a0c334857..d42c757d3 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -3,3 +3,9 @@
 # builds and much faster macOS link. Need lldb locals? Override per-shell:
 # CARGO_PROFILE_DEV_DEBUG=2
 debug = "line-tables-only"
+
+[env]
+# CMake 4 (pinned by hermit) removed compat with projects declaring
+# cmake_minimum_required < 3.5; audiopus_sys's vendored opus declares 3.1.
+# Same workaround CI uses. A value already set in the environment wins.
+CMAKE_POLICY_VERSION_MINIMUM = "3.5"