add OS switch to select system library

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6da39df..de0c74b 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,15 +10,26 @@ IF(APPLE)
   LINK_DIRECTORIES(/opt/local/lib)
 ENDIF()
 
+SET(SOURCES
+       main.c utils.c interface.c interface-ip.c
+       proto.c proto-static.c proto-shell.c
+       config.c device.c bridge.c vlan.c ubus.c)
+
+SET(LIBS
+       ubox ubus uci json blobmsg_json)
+
+IF("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
+       SET(SOURCES ${SOURCES} system-linux.c)
+       SET(LIBS ${LIBS} nl)
+ELSE()
+       SET(SOURCES ${SOURCES} system-dummy.c)
+ENDIF()
+
 IF(DEBUG)
   ADD_DEFINITIONS(-DDEBUG -O0 --std=gnu99 -g3)
 ENDIF()
 
 
-ADD_EXECUTABLE(netifd
-       main.c utils.c interface.c interface-ip.c
-       proto.c proto-static.c proto-shell.c
-       config.c device.c bridge.c vlan.c ubus.c
-       system-dummy.c)
+ADD_EXECUTABLE(netifd ${SOURCES})
 
-TARGET_LINK_LIBRARIES(netifd ubox ubus uci json blobmsg_json)
+TARGET_LINK_LIBRARIES(netifd ${LIBS})