diff --git a/external/misc/CMakeLists.txt b/external/misc/CMakeLists.txt
index 4dd4ec4..16125d0 100644
--- a/external/misc/CMakeLists.txt
+++ b/external/misc/CMakeLists.txt
@@ -32,15 +32,9 @@ if(LINUX)
       )
   endif()
 
-  # add_library doesn't like to get an empty source file list.
-
-  if($misc_SOURCES)
-    add_library(misc STATIC
-      ${misc_SOURCES}
-      )
-  else()
-    set(MISC_LIBRARIES "" CACHE INTERNAL "")
-  endif()
+  add_library(misc STATIC
+    ${misc_SOURCES}
+    )
 
 elseif(WIN32 OR CYGWIN) # windows