diff --git a/CMakeLists.txt b/CMakeLists.txt
index df908b8e..ff140883 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -129,6 +129,10 @@ else( WIN32 ) # Apple AND Linux
 
     if( "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" )
         set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-builtin-memcmp" )
+    elseif( "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" )
+        if( CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 3 )
+            set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-invalid-partial-specialization" )
+        endif()
     endif()
 
     if( "${CMAKE_GENERATOR}" STREQUAL "Ninja" )
diff --git a/libraries/fc b/libraries/fc
index 6d386e44..91af0e7e 160000
--- a/libraries/fc
+++ b/libraries/fc
@@ -1 +1 @@
-Subproject commit 6d386e442b57f4da6099ebd934e071a73d46f398
+Subproject commit 91af0e7edbec0e37d38efff78c5644f9ba8aedd7