pnmixer: fix build with CMake 4 and modernize derivation (#451910)

From 3a4a988f6c69abece44fe2c77eab5f0a9ae7bbd2 Mon Sep 17 00:00:00 2001

From: Stefan Frijters <sfrijters@gmail.com>

Date: Mon, 13 Oct 2025 10:53:14 +0200

Subject: [PATCH] Update minimum CMake version

And fix compatibility with https://cmake.org/cmake/help/v4.1/policy/CMP0065.html

---

 CMakeLists.txt     | 2 +-

 src/CMakeLists.txt | 1 +

 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt

index 10192bf..1bb3e0c 100644

--- a/CMakeLists.txt

+++ b/CMakeLists.txt

@@ -1,4 +1,4 @@

-cmake_minimum_required(VERSION 3.0)

+cmake_minimum_required(VERSION 3.10)

 project(PNMixer)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt

index eb04c2b..8630a21 100644

--- a/src/CMakeLists.txt

+++ b/src/CMakeLists.txt

@@ -56,6 +56,7 @@ target_link_libraries(pnmixer "${PNMixer_DEPS_LDFLAGS}")

 target_link_libraries(pnmixer m)

 target_compile_options(pnmixer PUBLIC "${PNMixer_DEPS_CFLAGS}")

 target_compile_definitions(pnmixer PUBLIC -DHAVE_CONFIG_H)

+set_property(TARGET pnmixer PROPERTY ENABLE_EXPORTS 1)

 install(TARGETS pnmixer DESTINATION "${CMAKE_INSTALL_BINDIR}")

  pcre,

}:

stdenv.mkDerivation rec {

stdenv.mkDerivation (finalAttrs: {

  pname = "pnmixer";

  version = "0.7.2";

  src = fetchFromGitHub {

    owner = "nicklan";

    repo = "pnmixer";

    rev = "v${version}";

    sha256 = "0416pa933ddf4b7ph9zxhk5jppkk7ppcq1aqph6xsrfnka4yb148";

    tag = "v${finalAttrs.version}";

    hash = "sha256-iITliZrWZd0NvFgFzO49c94ry4T9J3jPIq61MZK6JhA=";

  };

  patches = [

    # https://github.com/nicklan/pnmixer/pull/197

    ./fix-cmake-version.patch

  ];

  nativeBuildInputs = [

    cmake

    pkg-config

    pcre

  ];

  meta = with lib; {

  meta = {

    homepage = "https://github.com/nicklan/pnmixer";

    description = "ALSA volume mixer for the system tray";

    license = licenses.gpl3;

    platforms = platforms.linux;

    maintainers = with maintainers; [

    license = lib.licenses.gpl3;

    platforms = lib.platforms.linux;

    maintainers = with lib.maintainers; [

      campadrenalin

      romildo

    ];

    mainProgram = "pnmixer";

  };

}

})