From 490f53a87fb1132174cebc92ca5643caab8c4b69 Mon Sep 17 00:00:00 2001
From: 7c6f434c <7c6f434c@mail.ru>
Date: Sun, 4 Jan 2026 01:52:12 +0100
Subject: [PATCH] alpine: set std=gnu17 to fix build with gcc15

---
 pkgs/by-name/al/alpine/package.nix | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/pkgs/by-name/al/alpine/package.nix b/pkgs/by-name/al/alpine/package.nix
index 8bc2e4ae968d..61d51e5ea0aa 100644
--- a/pkgs/by-name/al/alpine/package.nix
+++ b/pkgs/by-name/al/alpine/package.nix
@@ -43,9 +43,13 @@ stdenv.mkDerivation rec {
     "--with-c-client-target=slx"
   ];
 
-  # Fixes https://github.com/NixOS/nixpkgs/issues/372699
-  # See also https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1074804
-  env.NIX_CFLAGS_COMPILE = toString [ "-Wno-incompatible-pointer-types" ];
+  env.NIX_CFLAGS_COMPILE = toString [
+    # Fixes https://github.com/NixOS/nixpkgs/issues/372699
+    # See also https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1074804
+    "-Wno-incompatible-pointer-types"
+    # Opt out of C23 (and its stricter prototype rules) in GCC15
+    "-std=gnu17"
+  ];
 
   passthru.updateScript = gitUpdater { rev-prefix = "v"; };