From 2f6387d8b0bca6832712ee90c3aad734a90305cd Mon Sep 17 00:00:00 2001
From: Harinn <prinn.dev@pm.me>
Date: Wed, 6 May 2026 15:58:23 +0700
Subject: [PATCH] rtl_fm_streamer: fix build with gcc 15

---
 pkgs/by-name/rt/rtl_fm_streamer/package.nix    |  4 ++++
 .../rt/rtl_fm_streamer/use-stdbool.patch       | 18 ++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 pkgs/by-name/rt/rtl_fm_streamer/use-stdbool.patch

diff --git a/pkgs/by-name/rt/rtl_fm_streamer/package.nix b/pkgs/by-name/rt/rtl_fm_streamer/package.nix
index 435744ea7666..777e927c92e5 100644
--- a/pkgs/by-name/rt/rtl_fm_streamer/package.nix
+++ b/pkgs/by-name/rt/rtl_fm_streamer/package.nix
@@ -30,6 +30,10 @@ stdenv.mkDerivation (finalAttrs: {
       --replace-fail "cmake_minimum_required(VERSION 2.6)" "cmake_minimum_required(VERSION 3.10)"
   '';
 
+  patches = [
+    ./use-stdbool.patch
+  ];
+
   nativeBuildInputs = [
     cmake
     pkg-config
diff --git a/pkgs/by-name/rt/rtl_fm_streamer/use-stdbool.patch b/pkgs/by-name/rt/rtl_fm_streamer/use-stdbool.patch
new file mode 100644
index 000000000000..4e5dd2b70180
--- /dev/null
+++ b/pkgs/by-name/rt/rtl_fm_streamer/use-stdbool.patch
@@ -0,0 +1,18 @@
+Drop the hand-rolled bool enum: `bool`, `true`, and `false` are reserved
+keywords in C23 (the default since GCC 15), so the typedef no longer compiles.
+
+--- a/src/rtl_fm_streamer.c
++++ b/src/rtl_fm_streamer.c
+@@ -100,11 +100,7 @@
+
+ #define DEFAULT_PORT_NUMBER "2346"
+
+-typedef enum
+-{
+-    false = 0,
+-    true
+-}bool;
++#include <stdbool.h>
+
+ struct dongle_state
+ {