/**< AES-NI GCM PMD device name */
/** AES-NI GCM PMD LOGTYPE DRIVER */
-int aesni_gcm_logtype_driver;
+extern int aesni_gcm_logtype_driver;
#define AESNI_GCM_LOG(level, fmt, ...) \
rte_log(RTE_LOG_ ## level, aesni_gcm_logtype_driver, \
"%s() line %u: "fmt "\n", __func__, __LINE__, \