void ssl_scache_remove(server_rec *, UCHAR *, int,
apr_pool_t *);
-const modssl_sesscache_provider modssl_sesscache_shmcb;
-const modssl_sesscache_provider modssl_sesscache_dbm;
+extern const modssl_sesscache_provider modssl_sesscache_shmcb;
+extern const modssl_sesscache_provider modssl_sesscache_dbm;
#ifdef HAVE_DISTCACHE
-const modssl_sesscache_provider modssl_sesscache_dc;
+extern const modssl_sesscache_provider modssl_sesscache_dc;
#endif
#ifdef HAVE_SSL_CACHE_MEMCACHE
-const modssl_sesscache_provider modssl_sesscache_mc;
+extern const modssl_sesscache_provider modssl_sesscache_mc;
#endif
/** Proxy Support */