fix unannotated fall-through warnings

[project/netifd.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 696412b51f451d110cdbca87c164f066cddf7da3..ca5d944d96ffc05854b579055c74d25cb2a701d4 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,8 +1,18 @@
 cmake_minimum_required(VERSION 2.6)
 
 PROJECT(netifd C)
+
+IF(NOT ${CMAKE_VERSION} LESS 3.0)
+  include(CheckCCompilerFlag)
+  check_c_compiler_flag(-Wimplicit-fallthrough HAS_IMPLICIT_FALLTHROUGH)
+ENDIF()
+
 ADD_DEFINITIONS(-Os -Wall -Werror --std=gnu99 -Wmissing-declarations -Wno-unknown-warning-option -Wno-format-truncation)
 
+IF(HAS_IMPLICIT_FALLTHROUGH)
+  ADD_DEFINITIONS(-Wimplicit-fallthrough)
+ENDIF()
+
 SET(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
 
 SET(SOURCES
@@ -10,15 +20,20 @@ SET(SOURCES
        interface.c interface-ip.c interface-event.c
        iprule.c proto.c proto-static.c proto-shell.c
        config.c device.c bridge.c veth.c vlan.c alias.c
-       macvlan.c ubus.c vlandev.c wireless.c)
+       macvlan.c ubus.c vlandev.c wireless.c
+       extdev.c)
 
 
 SET(LIBS
        ubox ubus uci json-c blobmsg_json)
 
 IF (NOT DEFINED LIBNL_LIBS)
-  FIND_LIBRARY(libnl NAMES libnl-3 libnl nl-3 nl)
-  SET(LIBNL_LIBS ${libnl})
+       include(FindPkgConfig)
+       pkg_search_module(LIBNL libnl-3.0 libnl-3 libnl nl-3 nl)
+       IF (LIBNL_FOUND)
+               include_directories(${LIBNL_INCLUDE_DIRS})
+               SET(LIBNL_LIBS ${LIBNL_LIBRARIES})
+       ENDIF()
 ENDIF()
 
 IF("${CMAKE_SYSTEM_NAME}" MATCHES "Linux" AND NOT DUMMY_MODE)