+IF (ENABLE_ZCHUNK_COMPRESSION)
+ MESSAGE("Building with zchunk support enabled.")
+ PKG_CHECK_MODULES (ZCHUNK zck REQUIRED)
+ SET( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ZCHUNK_CFLAGS}" )
+ SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ZCHUNK_CFLAGS}" )
+ ADD_DEFINITIONS (-DENABLE_ZCHUNK_COMPRESSION=1)
+ENDIF(ENABLE_ZCHUNK_COMPRESSION)
+
+pkg_check_modules ( SIGCPP REQUIRED sigc++-2.0 )
+INCLUDE_DIRECTORIES( ${SIGCPP_INCLUDE_DIRS} )
+
+pkg_check_modules ( LIBGLIB REQUIRED glib-2.0 )
+INCLUDE_DIRECTORIES( ${LIBGLIB_INCLUDE_DIRS} )
+