Merge pull request #67 from tcberner/patch-1

Use CMAKE_DL_LIBS instead of dl

src/CMakeLists.txt

@@ -239,9 +239,8 @@ if ( MSVC )
     ) 
 
 else()
-    # TODO: Check if this is really needed.
+    if ( UNIX )
-    if ( UNIX AND NOT FREEBSD )
+        target_link_libraries( exiv2lib PRIVATE ${CMAKE_DL_LIBS})
-        target_link_libraries( exiv2lib PRIVATE dl)
     endif()
 
     if (CYGWIN OR MINGW)