COMP: Need to install all the PythonQt headers.

Author: hjmjohnson

src/CMakeLists.txt

@@ -76,13 +76,13 @@ set(Core_PUBLIC_HEADER
   PythonQtThreadSupport.h
   PythonQtPythonInclude.h
 )
+
 foreach( header ${Core_PUBLIC_HEADER} )
   set_target_properties(${PROJECT_NAME} PROPERTIES
     OUTPUT_NAME PythonQt-${PYTHONQT_SUFFIX}
     PUBLIC_HEADER ${header}
   )
 endforeach()
-unset(Core_PUBLIC_HEADER)
 
 add_dependencies(${PROJECT_NAME} PythonQtWrapper)
 
@@ -103,6 +103,7 @@ target_include_directories(${PROJECT_NAME} PUBLIC
     $<INSTALL_INTERFACE:include/PythonQt>
 )
 
+
 if(MSVC)
     target_compile_options(${PROJECT_NAME} PRIVATE "/bigobj")
 elseif(MINGW)
@@ -173,3 +174,8 @@ install(FILES
     "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
     DESTINATION lib/cmake/${PROJECT_NAME}
 )
+
+install(FILES
+    ${Core_PUBLIC_HEADER}
+    DESTINATION ${CMAKE_INSTALL_PREFIX}/${PythonQt_INSTALL_INCLUDE_DIR}
+)