Added the neccessary CMake magic to optionally change the API.

CMakeLists.txt

@@ -3,6 +3,7 @@ project(i3ipc++)
 
 option(I3IPCpp_WITH_TESTS "Build unit tests executables" OFF)
 option(I3IPCpp_BUILD_EXAMPLES "Build example executables" OFF)
+option(I3IPCpp_USE_FULL_SIGNALS "Provide full JSON event object with the signals for workspace_event and window_event. !!CHANGES API!!" OFF)
 
 set(BUILD_STATIC_LIBS ON)
 set(BUILD_SHARED_LIBS OFF)
@@ -13,7 +14,14 @@ UNSET(BUILD_SHARED_LIBS)
 find_package(PkgConfig)
 pkg_check_modules(SIGCPP REQUIRED sigc++-2.0)
 
+# configure a header file to pass some settings to the source code
+configure_file (
+  "${PROJECT_SOURCE_DIR}/include/i3ipc++/i3ipc++_config.hpp.in"
+  "${PROJECT_BINARY_DIR}/include/i3ipc++_config.hpp"
+  )
+
 include_directories(
+	${PROJECT_BINARY_DIR}/include
 	${SIGCPP_INCLUDE_DIRS}
 	3rd/jsoncpp/include
 	3rd/auss/include
@@ -40,7 +48,8 @@ set(I3IPCpp_INCLUDE_DIRS
 set(I3IPCpp_LIBRARIES i3ipc++_static ${SIGCPP_LIBRARIES} jsoncpp_lib_static)
 
 set(I3IPCpp_LIBRARY_DIRS ${I3IPCpp_LIBRARY_DIRS} PARENT_SCOPE)
-set(I3IPCpp_INCLUDE_DIRS ${I3IPCpp_INCLUDE_DIRS} PARENT_SCOPE)
+set(I3IPCpp_INCLUDE_DIRS ${I3IPCpp_INCLUDE_DIRS})
+set(I3IPCpp_INCLUDE_DIRS ${I3IPCpp_INCLUDE_DIRS} ${PROJECT_BINARY_DIR}/include PARENT_SCOPE)
 set(I3IPCpp_LIBRARIES ${I3IPCpp_LIBRARIES} PARENT_SCOPE)
 
 if(I3IPCpp_BUILD_EXAMPLES)