FreeBSD static linking fixes

CMakeLists.txt

@@ -52,7 +52,7 @@ endif()
 #   set(BSDI TRUE)
 
 function(set_static_flags)
-  if (NOT APPLE)
+  if (NOT APPLE AND NOT FREEBSD)
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")
   endif()
 endfunction(set_static_flags)
@@ -135,7 +135,7 @@ else()
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${DEBUG_FLAGS}")
   set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${RELEASE_FLAGS}")
   set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${RELEASE_FLAGS}")
-  if(STATIC AND NOT APPLE)
+  if(STATIC AND NOT APPLE AND NOT FREEBSD)
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")
   endif()
 endif()
@@ -151,7 +151,7 @@ endif()
 include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
 if(MINGW)
   set(Boost_LIBRARIES "${Boost_LIBRARIES};ws2_32;mswsock")
-elseif(APPLE)
+elseif(APPLE OR FREEBSD)
   set(Boost_LIBRARIES "${Boost_LIBRARIES}")
 elseif(NOT MSVC)
   set(Boost_LIBRARIES "${Boost_LIBRARIES};rt;pthread")