From 938dba6e02c77191457568f5887aa632a5d30222 Mon Sep 17 00:00:00 2001
From: Martin Habovstiak <martin.habovstiak@gmail.com>
Date: Wed, 3 Jul 2024 06:02:12 +0200
Subject: [PATCH] Whitelist known cfgs

Rust is now checking cfg attributes for typos but this interferes with
our cfgs that rustc/cargo don't recognize. This whitelists them so they
no longer produce warnings.

This is a backport of 614fe817 because the warnings make development
very annoying.
---
 Cargo.toml               | 2 ++
 secp256k1-sys/Cargo.toml | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/Cargo.toml b/Cargo.toml
index bf78b3982..38b2dcb86 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -54,6 +54,8 @@ bincode = "1.3.3"
 wasm-bindgen-test = "0.3"
 getrandom = { version = "0.2", features = ["js"] }
 
+[lints.rust]
+unexpected_cfgs = { level = "deny", check-cfg = ['cfg(bench)', 'cfg(secp256k1_fuzz)', 'cfg(rust_secp_no_symbol_renaming)'] }
 
 [[example]]
 name = "sign_verify_recovery"
diff --git a/secp256k1-sys/Cargo.toml b/secp256k1-sys/Cargo.toml
index 5d591ffcb..1ca432045 100644
--- a/secp256k1-sys/Cargo.toml
+++ b/secp256k1-sys/Cargo.toml
@@ -32,3 +32,6 @@ recovery = []
 lowmemory = []
 std = ["alloc"]
 alloc = []
+
+[lints.rust]
+unexpected_cfgs = { level = "deny", check-cfg = ['cfg(bench)', 'cfg(secp256k1_fuzz)', 'cfg(rust_secp_no_symbol_renaming)'] }