diff -Nuar lensfun-0.2.8.orig/include/lensfun/lensfun.h.in lensfun-0.2.8/include/lensfun/lensfun.h.in
--- lensfun-0.2.8.orig/include/lensfun/lensfun.h.in     2013-01-27 17:32:37.000000000 +0100
+++ lensfun-0.2.8/include/lensfun/lensfun.h.in  2014-08-05 08:14:20.096691200 +0200
@@ -62,7 +62,7 @@
 #   ifdef CONF_SYMBOL_VISIBILITY
 #       if defined PLATFORM_WINDOWS
 #           define LF_EXPORT    __declspec(dllexport)
-#       elif defined CONF_COMPILER_GCC
+#       elif defined CONF_COMPILER_GCC || __clang__
 #           define LF_EXPORT    __attribute__((visibility("default")))
 #       else
 #           error "I don't know how to change symbol visibility for your compiler"