Patch found on https://bugzilla.redhat.com/show_bug.cgi?id=230571

--- libart_lgpl-2.3.19/art_misc.h.extern-c      2007-01-02 00:59:22.000000000 
+0100
+++ libart_lgpl-2.3.19/art_misc.h       2007-03-01 09:19:06.000000000 +0100
@@ -34,9 +34,15 @@
 #include <libart_lgpl/art_config.h>
 #endif

+#ifdef __cplusplus
+extern "C" {
+#endif
 void *art_alloc(size_t size);
 void art_free(void *ptr);
 void *art_realloc(void *ptr, size_t size);
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */