sddm: Fixes build with Qt 5.11

pkgs/applications/display-managers/sddm/default.nix

@@ -16,15 +16,14 @@ in mkDerivation rec {
     sha256 = "1m35ly6miwy8ivsln3j1bfv0nxbc4gyqnj7f847zzp53jsqrm3mq";
   };
 
-  patches = [ ./sddm-ignore-config-mtime.patch ];
+  patches = [
+    ./sddm-ignore-config-mtime.patch
+    ./qt511.patch
+  ];
 
   postPatch =
-    # Module Qt5::Test must be included in `find_package` before it is used.
-    ''
-      sed -i CMakeLists.txt -e '/find_package(Qt5/ s|)| Test)|'
-    ''
     # Fix missing include for gettimeofday()
-    + ''
+    ''
       sed -e '1i#include <sys/time.h>' -i src/helper/HelperApp.cpp
     '';
 

pkgs/applications/display-managers/sddm/qt511.patch

@@ -0,0 +1,28 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 005c9ad..71b46d7 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -93,7 +93,7 @@ find_package(XCB REQUIRED)
+ find_package(XKB REQUIRED)
+ 
+ # Qt 5
+-find_package(Qt5 5.6.0 CONFIG REQUIRED Core DBus Gui Qml Quick LinguistTools)
++find_package(Qt5 5.6.0 CONFIG REQUIRED Core DBus Gui Qml Quick LinguistTools Test)
+ 
+ # find qt5 imports dir
+ get_target_property(QMAKE_EXECUTABLE Qt5::qmake LOCATION)
+diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
+index c9d935a..bb85ddd 100644
+--- a/test/CMakeLists.txt
++++ b/test/CMakeLists.txt
+@@ -2,9 +2,8 @@ set(QT_USE_QTTEST TRUE)
+ 
+ include_directories(../src/common)
+ 
+-
+ set(ConfigurationTest_SRCS ConfigurationTest.cpp ../src/common/ConfigReader.cpp)
+ add_executable(ConfigurationTest ${ConfigurationTest_SRCS})
+ add_test(NAME Configuration COMMAND ConfigurationTest)
+ 
+-qt5_use_modules(ConfigurationTest Test)
++target_link_libraries(ConfigurationTest Qt5::Core Qt5::Test)