qcachegrind: Use kcachegrind src/name attributes

pkgs/development/tools/analysis/qcachegrind/default.nix

@@ -1,13 +1,12 @@
-{ stdenv, fetchurl, cmake, qmake, qtbase, perl, python, php }:
+{ stdenv, fetchurl, cmake, qmake, qtbase, perl, python, php, kcachegrind }:
 
-stdenv.mkDerivation rec {
-  name = "qcachegrind-${version}";
-  version = "16.12.3";
+let
+  name = stdenv.lib.replaceStrings ["kcachegrind"] ["qcachegrind"] kcachegrind.name;
 
-  src = fetchurl {
-    url = "http://download.kde.org/stable/applications/${version}/src/kcachegrind-${version}.tar.xz";
-    sha256 = "109y94nz96izzsjjdpj9c6g344rcr86srp5w0433mssbyvym4x7q";
-  };
+in stdenv.mkDerivation rec {
+  inherit name;
+
+  src = kcachegrind.src;
 
   buildInputs = [ qtbase perl python php ];
 
@@ -28,8 +27,8 @@ stdenv.mkDerivation rec {
   '' else ''
     install qcachegrind/qcachegrind cgview/cgview -t "$out/bin"
     install -Dm644 qcachegrind/qcachegrind.desktop -t "$out/share/applications"
-    install -Dm644 kcachegrind/hi32-app-kcachegrind.png "$out/share/icons/hicolor/32x32/apps/kcachegrind.png"
-    install -Dm644 kcachegrind/hi48-app-kcachegrind.png "$out/share/icons/hicolor/48x48/apps/kcachegrind.png"
+    install -Dm644 kcachegrind/32-apps-kcachegrind.png "$out/share/icons/hicolor/32x32/apps/kcachegrind.png"
+    install -Dm644 kcachegrind/48-apps-kcachegrind.png "$out/share/icons/hicolor/48x48/apps/kcachegrind.png"
   '');
 
   meta = with stdenv.lib; {

pkgs/top-level/all-packages.nix

@@ -7925,7 +7925,7 @@ with pkgs;
 
   valkyrie = callPackage ../development/tools/analysis/valkyrie { };
 
-  qcachegrind = libsForQt56.callPackage ../development/tools/analysis/qcachegrind {};
+  qcachegrind = libsForQt5.callPackage ../development/tools/analysis/qcachegrind {};
 
   verasco = ocaml-ng.ocamlPackages_4_02.verasco.override {
     coq = coq_8_4;