libv4l: disable building Qt (#67134)

Since we added wrapQTAppHooks to qt5.mkDerivation, it pollutes the closure
of everything it touches even when package is not building with Qt support.
We had to revert to the standard deriver to avoid this.

1 files changed, 10 insertions, 6 deletions

diff --git a/pkgs/os-specific/linux/v4l-utils/default.nix b/pkgs/os-specific/linux/v4l-utils/default.nix
index 9bb6fcdd0a0..caa233af469 100644
--- a/pkgs/os-specific/linux/v4l-utils/default.nix
+++ b/pkgs/os-specific/linux/v4l-utils/default.nix
@@ -1,12 +1,16 @@
-{ stdenv, lib, fetchurl, pkgconfig, perl, mkDerivation
+{ stdenv, lib, fetchurl, pkgconfig, perl
 , libjpeg, udev
 , withUtils ? true
-, withGUI ? true, alsaLib, libX11, qtbase, libGLU
+, withGUI ? true, alsaLib, libX11, qtbase, libGLU, wrapQtAppsHook
 }:
 
 # See libv4l in all-packages.nix for the libs only (overrides alsa, libX11 & QT)
 
-mkDerivation rec {
+let
+  withQt = withUtils && withGUI;
+
+# we need to use stdenv.mkDerivation in order not to pollute the libv4l’s closure with Qt
+in stdenv.mkDerivation rec {
   pname = "v4l-utils";
   version = "1.16.6";
 
@@ -29,13 +33,13 @@ mkDerivation rec {
     ln -s "$dev/include/libv4l1-videodev.h" "$dev/include/videodev.h"
   '';
 
-  nativeBuildInputs = [ pkgconfig perl ];
+  nativeBuildInputs = [ pkgconfig perl ] ++ lib.optional withQt wrapQtAppsHook;
 
-  buildInputs = [ udev ] ++ lib.optionals (withUtils && withGUI) [ alsaLib libX11 qtbase libGLU ];
+  buildInputs = [ udev ] ++ lib.optionals withQt [ alsaLib libX11 qtbase libGLU ];
 
   propagatedBuildInputs = [ libjpeg ];
 
-  NIX_CFLAGS_COMPILE = lib.optional (withUtils && withGUI) "-std=c++11";
+  NIX_CFLAGS_COMPILE = lib.optional withQt "-std=c++11";
 
   postPatch = ''
     patchShebangs .