diff --git a/src/osso-mem.c b/src/osso-mem.c
index 17fd5e2..0c74e3e 100644
--- a/src/osso-mem.c
+++ b/src/osso-mem.c
@@ -287,6 +287,7 @@ static void setup_sys_values(void)
 } /* setup_sys_values */
 
 
+#if defined(__GLIBC__)
 /* ------------------------------------------------------------------------- *
  * saw_malloc_hook - Malloc hook. Executed when osso_mem_saw_active is in
  * place. Thread-safe (= slow in some cases).
@@ -337,7 +338,7 @@ static void* saw_malloc_hook(size_t size, const void* caller)
 
    return ptr;
 } /* saw_malloc_hook */
-
+#endif
 
 /* ========================================================================= *
  * Public methods.
@@ -583,6 +584,7 @@ int osso_mem_saw_enable(size_t threshold,
    /* If we're below the threshold, don't make things worse */
    if(threshold > 0 && available > threshold)
    {
+#if defined(__GLIBC__)
       const struct mallinfo mi = mallinfo();
 
       THREAD_LOCK();
@@ -602,6 +604,7 @@ int osso_mem_saw_enable(size_t threshold,
 
       ULOG_INFO_F("SAW hook installed: block size %u, maxheap %u (threshold %u)",
                   saw_max_block_size, saw_max_heap_size, threshold);
+#endif
 
       return 0;
    }
@@ -621,12 +624,14 @@ int osso_mem_saw_enable(size_t threshold,
  * ------------------------------------------------------------------------- */
 void osso_mem_saw_disable(void)
 {
+#if defined(__GLIBC__)
    THREAD_LOCK();
    if(saw_malloc_hook == __malloc_hook)
       __malloc_hook = saw_old_malloc_hook;
    THREAD_UNLOCK();
 
    ULOG_INFO_F("SAW hook removed!");
+#endif
 } /* osso_mem_saw_disable */