diff -r 633f15ce2ee4 -r fc3af16818a3 test/mpool_tests.c
--- a/test/mpool_tests.c	Mon Aug 05 14:38:37 2013 +0200
+++ b/test/mpool_tests.c	Tue Aug 06 10:22:03 2013 +0200
@@ -123,7 +123,7 @@
     ucx_mempool_destroy(pool);
 }
 
-void test_setdestr(void* elem) {
+UCX_EXTERN void test_setdestr(void* elem) {
     intptr_t *cb = (intptr_t*) ((intptr_t*) elem)[1];
     *cb = 42;
 }