airspy, soapyairspy: fix build with cmake 4 (#450305)

pkgs/by-name/ai/airspy/package.nix

@@ -2,6 +2,7 @@
   stdenv,
   lib,
   fetchFromGitHub,
+  fetchpatch,
   cmake,
   pkg-config,
   libusb1,
@@ -18,6 +19,22 @@ stdenv.mkDerivation rec {
     sha256 = "1v7sfkkxc6f8ny1p9xrax1agkl6q583mjx8k0lrrwdz31rf9qgw9";
   };
 
+  patches = [
+    # CMake < 3.5 fix. Remove upon next version bump.
+    (fetchpatch {
+      url = "https://github.com/airspy/airspyone_host/commit/7290309a663ced66e1e51dc65c1604e563752310.patch";
+      hash = "sha256-DZ7hYFBu9O2e6Fdx3yJdoCHoE1uVhzih0+OpiPTvkaI=";
+    })
+    (fetchpatch {
+      url = "https://github.com/airspy/airspyone_host/commit/3cf6f97976611c2ff6363f7927fe76c465995801.patch";
+      hash = "sha256-7LU3UvpvwQdDF8GPZw/W4Z2CSzUCNk47McNHti3YHP8=";
+    })
+    (fetchpatch {
+      url = "https://github.com/airspy/airspyone_host/commit/f467acd587617640741ecbfade819d10ecd032c2.patch";
+      hash = "sha256-qfJrxM1hq7NScxN++d9IH+fwFfXf/YwZZUDDOVbwIJk=";
+    })
+  ];
+
   postPatch = ''
     substituteInPlace airspy-tools/CMakeLists.txt --replace "/etc/udev/rules.d" "$out/etc/udev/rules.d"
   '';
@@ -30,7 +47,10 @@ stdenv.mkDerivation rec {
   doInstallCheck = true;
   buildInputs = [ libusb1 ];
 
-  cmakeFlags = lib.optionals stdenv.hostPlatform.isLinux [ "-DINSTALL_UDEV_RULES=ON" ];
+  cmakeFlags = lib.optionals stdenv.hostPlatform.isLinux [
+    "-DINSTALL_UDEV_RULES=ON"
+    "-DCMAKE_POLICY_VERSION_MINIMUM=3.5"
+  ];
 
   meta = with lib; {
     homepage = "https://github.com/airspy/airspyone_host";

pkgs/by-name/so/soapyairspy/package.nix

@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   cmake,
   airspy,
   soapysdr,
@@ -24,6 +25,18 @@ stdenv.mkDerivation rec {
     soapysdr
   ];
 
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/pothosware/SoapyAirspy/commit/1be30c33b394fc4d2aeea4287e8df8701adad5a0.patch";
+      hash = "sha256-ZEIyyd2tOK1diPh8BsEqALHGgdVCV6tZP9xeQNeeXl8=";
+    })
+    # CMake < 3.5 compat fix. Remove after (https://github.com/pothosware/SoapyAirspy/pull/31 is merged && next version bump).
+    (fetchpatch {
+      url = "https://github.com/pothosware/SoapyAirspy/pull/31/commits/0ee4a5e8edff9f2bbea60dd069d2cc958e314a3e.patch";
+      hash = "sha256-TQs4rDw+kRmxnuUwhhq9ioCsbKKniwuspSk/c7wazMM=";
+    })
+  ];
+
   cmakeFlags = [ "-DSoapySDR_DIR=${soapysdr}/share/cmake/SoapySDR/" ];
 
   meta = with lib; {