From bfff2cbbcd14d4e614dff9c344d634e669a4a017 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Forsman?= <bjorn.forsman@gmail.com>
Date: Wed, 9 Jun 2021 21:01:16 +0200
Subject: [PATCH] qcachegrind: fix fatal Could not find the Qt platform plugin
 "xcb" in ""

(cherry picked from commit 16cbc80a9370b13db95a75b74d20e1d2beb578b3)
---
 pkgs/development/tools/analysis/qcachegrind/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/tools/analysis/qcachegrind/default.nix b/pkgs/development/tools/analysis/qcachegrind/default.nix
index 75729d1eea4..195596d3c19 100644
--- a/pkgs/development/tools/analysis/qcachegrind/default.nix
+++ b/pkgs/development/tools/analysis/qcachegrind/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, qmake, qtbase, perl, python, php, kcachegrind }:
+{ lib, stdenv, qmake, qtbase, perl, python, php, kcachegrind, wrapQtAppsHook }:
 
 let
   name = lib.replaceStrings ["kcachegrind"] ["qcachegrind"] kcachegrind.name;
@@ -10,7 +10,7 @@ in stdenv.mkDerivation {
 
   buildInputs = [ qtbase perl python php ];
 
-  nativeBuildInputs = [ qmake ];
+  nativeBuildInputs = [ qmake wrapQtAppsHook ];
 
   dontWrapQtApps = true;
 
@@ -33,6 +33,10 @@ in stdenv.mkDerivation {
     install -Dm644 kcachegrind/48-apps-kcachegrind.png "$out/share/icons/hicolor/48x48/apps/kcachegrind.png"
   '');
 
+  preFixup = ''
+    wrapQtApp "$out/bin/qcachegrind"
+  '';
+
   meta = with lib; {
     description = "A Qt GUI to visualize profiling data";
     license = licenses.gpl2;