Patch out obsoleted CMake syntax.

cppcheck-1.83-cmake.patch

@@ -0,0 +1,24 @@
+diff -up cppcheck-1.83/CMakeLists.txt.qt5cmake cppcheck-1.83/CMakeLists.txt
+--- cppcheck-1.83/CMakeLists.txt.qt5cmake	2018-06-02 14:01:44.339998373 +0200
++++ cppcheck-1.83/CMakeLists.txt	2018-06-02 14:01:44.370997858 +0200
+@@ -1,5 +1,5 @@
+ project(CppCheck)
+-cmake_minimum_required(VERSION 2.8.4)
++cmake_minimum_required(VERSION 2.8.11)
+ 
+ include(GNUInstallDirs)
+ 
+diff -up cppcheck-1.83/gui/CMakeLists.txt.qt5cmake cppcheck-1.83/gui/CMakeLists.txt
+--- cppcheck-1.83/gui/CMakeLists.txt.qt5cmake	2018-06-02 14:01:44.372997824 +0200
++++ cppcheck-1.83/gui/CMakeLists.txt	2018-06-02 14:02:04.869656720 +0200
+@@ -24,8 +24,8 @@ if (BUILD_GUI)
+         target_link_libraries(cppcheck-gui pcre)
+     endif()
+     target_link_libraries(cppcheck-gui tinyxml2)
+-    qt5_use_modules(cppcheck-gui ${GUI_QT_COMPONENTS})
+-
++    target_link_libraries(cppcheck-gui Qt5::Core Qt5::Gui Qt5::Widgets Qt5::PrintSupport Qt5::LinguistTools)
++    
+     install(TARGETS cppcheck-gui RUNTIME DESTINATION ${CMAKE_INSTALL_FULL_BINDIR} COMPONENT applications)
+     install(FILES ${qms} DESTINATION share/${PROJECT_NAME}/lang/ COMPONENT applications)
+ 

cppcheck.spec

@@ -18,6 +18,8 @@ Patch0:         cppcheck-1.83-tinyxml.patch
 Patch1:         cppcheck-1.81-translations.patch
 # Set location of config files
 Patch2:         cppcheck-1.78-cfgdir.patch
+# Use modern qt5 cmake
+Patch3:         cppcheck-1.83-cmake.patch
 
 BuildRequires:  gcc-c++
 BuildRequires:  pcre-devel
@@ -68,6 +70,7 @@ from xml files first generated using cppcheck.
 %patch0 -p1 -b .tinyxml
 %patch1 -p1 -b .translations
 %patch2 -p1 -b .cfgdir
+%patch3 -p1 -b .qt5cmake
 # Make sure bundled tinyxml is not used
 rm -r externals/tinyxml