From fb1b954dabd58ebcdd840902eaf066a035ea74aa Mon Sep 17 00:00:00 2001
From: FlameFlag <github@flameflag.dev>
Date: Sun, 19 Apr 2026 12:58:43 +0300
Subject: [PATCH] cyrus-sasl: fix Darwin build by setting `-std=gnu17` on Clang

Refs: https://github.com/NixOS/nixpkgs/issues/511329
---
 pkgs/by-name/cy/cyrus_sasl/package.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/by-name/cy/cyrus_sasl/package.nix b/pkgs/by-name/cy/cyrus_sasl/package.nix
index dbea208e456e..b615a4ecdde3 100644
--- a/pkgs/by-name/cy/cyrus_sasl/package.nix
+++ b/pkgs/by-name/cy/cyrus_sasl/package.nix
@@ -80,6 +80,7 @@ stdenv.mkDerivation rec {
     "--enable-login"
     "--enable-shared"
   ]
+  ++ lib.optional stdenv.cc.isClang "CFLAGS=-std=gnu17"
   ++ lib.optional enableLdap "--with-ldap=${openldap.dev}"
   ++ lib.optionals enableMySQL [
     # https://github.com/cyrusimap/cyrus-sasl/blob/ac0c278817a082c625c496ec812318c019e0b96f/docsrc/sasl/installation.rst#build-configuration