From 3638bf86745b9913da01fab14f1e9d6071660941 Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Fri, 30 Jan 2026 22:31:17 +0000
Subject: [PATCH] freedroid: set `-std=gnu17` to fix `gcc-15` build

Without the change the build fails on `master` as
https://hydra.nixos.org/build/319903242:

    struct.h:40:14: error: 'bool' cannot be defined via 'typedef'
       40 | typedef char bool;
          |              ^~~~
---
 pkgs/by-name/fr/freedroid/package.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/by-name/fr/freedroid/package.nix b/pkgs/by-name/fr/freedroid/package.nix
index 14b1da25bcba..e07476a0d96c 100644
--- a/pkgs/by-name/fr/freedroid/package.nix
+++ b/pkgs/by-name/fr/freedroid/package.nix
@@ -47,6 +47,9 @@ stdenv.mkDerivation rec {
     touch NEWS
   '';
 
+  # DOes not build on -std=c23 due to `bool` collision.
+  env.NIX_CFLAGS_COMPILE = "-std=gnu17";
+
   postInstall = ''
     mkdir -p $out/share/icons/hicolor/32x32/apps
     convert graphics/paraicon.bmp $out/share/icons/hicolor/32x32/apps/freedroid.png