From b3bdf5d99b6d3e3d1590ebfb667d04a680bb34bb Mon Sep 17 00:00:00 2001
From: magicquark <198001825+magicquark@users.noreply.github.com>
Date: Tue, 4 Nov 2025 01:33:21 +0000
Subject: [PATCH] inspectrum: fix build on cmake 4

---
 pkgs/by-name/in/inspectrum/package.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/by-name/in/inspectrum/package.nix b/pkgs/by-name/in/inspectrum/package.nix
index 2e6a8cb81eea..0920670493dd 100644
--- a/pkgs/by-name/in/inspectrum/package.nix
+++ b/pkgs/by-name/in/inspectrum/package.nix
@@ -21,11 +21,17 @@ gnuradioMinimal.pkgs.mkDerivation rec {
     sha256 = "sha256-yY2W2hQpj8TIxiQBSbQHq0J16n74OfIwMDxFt3mLZYc=";
   };
 
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 3.1)" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   nativeBuildInputs = [
     cmake
     qt5.wrapQtAppsHook
     pkg-config
   ];
+
   buildInputs = [
     fftwFloat
     liquid-dsp