Fixed Build error in ICU Version update

Change-Id: I689d3eec822946d1f84b90b704d4fe2f912cdb89

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6559817f541e8ea7486c66f72824757b4d104219..2e928728d7134728f88d99c16bc341b2066b5ab0 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,9 @@ SET(EXTRA_CFLAGS "-Wall -Werror-implicit-function-declaration -fvisibility=hidde
 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CFLAGS}")
 
+SET(CMAKE_CXX_STANDARD 17)
+SET(CMAKE_CXX_EXTENSIONS ON)
+
 SET(CLIENT calendar-service2)
 SET(DAEMON calendar-serviced)