From c85e9adeae24e607a7a2683d7faa716376dee8f9 Mon Sep 17 00:00:00 2001
From: Doron Behar <doron.behar@gmail.com>
Date: Tue, 14 Oct 2025 19:49:23 +0300
Subject: [PATCH] sdr-j-fm: fix build with cmake>=4

---
 pkgs/by-name/sd/sdr-j-fm/package.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/sd/sdr-j-fm/package.nix b/pkgs/by-name/sd/sdr-j-fm/package.nix
index c82e3adebfc5..fc77a4c2c1b4 100644
--- a/pkgs/by-name/sd/sdr-j-fm/package.nix
+++ b/pkgs/by-name/sd/sdr-j-fm/package.nix
@@ -41,7 +41,11 @@ stdenv.mkDerivation (finalAttrs: {
     libusb1
     libsndfile
   ];
-  cmakeFlags = lib.mapAttrsToList lib.cmakeBool finalAttrs.passthru.features;
+  cmakeFlags = lib.mapAttrsToList lib.cmakeBool finalAttrs.passthru.features ++ [
+    # https://github.com/JvanKatwijk/sdr-j-fm/issues/27#issuecomment-3371932903
+    # https://github.com/NixOS/nixpkgs/issues/445447
+    (lib.cmakeFeature "CMAKE_POLICY_VERSION_MINIMUM" "3.5")
+  ];
 
   passthru = {
     features = {