Update CMakeLists.txt for BSD + libdl

Fixing build failure of libwebsockets-test-fraggle  on FreeBSD when LWS_WITH_PLUGINS.
Solution: FreeBSD has no libdl

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 69dc673..0fa36c1 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1047,7 +1047,9 @@ if (NOT LWS_WITHOUT_TESTAPPS)
 
        if (UNIX AND LWS_WITH_PLUGINS)
                set(CMAKE_C_FLAGS "-fPIC ${CMAKE_C_FLAGS}")
-               target_link_libraries(websockets dl)
+               if(NOT(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD"))
+                       target_link_libraries(websockets dl)
+               endif()
        endif()
 
        if (NOT LWS_WITHOUT_SERVER)