diff --git a/include/proxysql.h b/include/proxysql.h
index f27761dc0..3863c856e 100644
--- a/include/proxysql.h
+++ b/include/proxysql.h
@@ -78,8 +78,12 @@
 //#include "cpp.h"
 
 
-
-#define PROXYSQL_VERSION	"20140617"
+#ifdef DEBUG
+#define DEB "_DEBUG"
+#else
+#define DEB ""
+#endif /* DEBUG */
+#define PROXYSQL_VERSION	"20140617" DEB
 #define PROXYSQL_CODENAME	"Hebe"
 
 #ifndef PROXYSQL_FUNC_DEFS
diff --git a/include/proxysql_structs.h b/include/proxysql_structs.h
index 9983fb70c..4add9fe02 100644
--- a/include/proxysql_structs.h
+++ b/include/proxysql_structs.h
@@ -364,6 +364,8 @@ struct _global_variables_t {
 	//pthread_rwlock_t rwlock_global;
 	pthread_rwlock_t rwlock_usernames;
 
+	bool has_debug;
+
 	volatile int shutdown;
 	bool nostart;
 	int reload;
diff --git a/lib/Standard_MySQL_Authentication.cpp b/lib/Standard_MySQL_Authentication.cpp
index 532652065..c29493dea 100644
--- a/lib/Standard_MySQL_Authentication.cpp
+++ b/lib/Standard_MySQL_Authentication.cpp
@@ -14,7 +14,12 @@ typedef struct _account_details_t {
 	bool transaction_persistent;
 } account_details_t;
 
-#define MYSQL_AUTHENTICATION_VERSION "0.1.0706"
+#ifdef DEBUG
+#define DEB "_DEBUG"
+#else
+#define DEB ""
+#endif /* DEBUG */
+#define MYSQL_AUTHENTICATION_VERSION "0.1.0706" DEB
 
 //#define MY_SEPERATOR_HASH	"__uy1gf2doi3ujh4ge5__"
 
@@ -35,6 +40,14 @@ class Standard_MySQL_Authentication: public MySQL_Authentication {
 //	PtrArray cred_array;
 	public:
 	Standard_MySQL_Authentication() {
+#ifdef DEBUG
+		if (glovars.has_debug==false) {
+#else
+		if (glovars.has_debug==true) {
+#endif /* DEBUG */
+			perror("Incompatible debagging version");
+			exit(EXIT_FAILURE);
+		}
 		spinlock_rwlock_init(&creds_backends.lock);
 		spinlock_rwlock_init(&creds_frontends.lock);
 	};
diff --git a/lib/Standard_MySQL_Thread.cpp b/lib/Standard_MySQL_Thread.cpp
index 0ed778c14..b1d5d991c 100644
--- a/lib/Standard_MySQL_Thread.cpp
+++ b/lib/Standard_MySQL_Thread.cpp
@@ -16,7 +16,12 @@ extern "C" {
 #endif /* __cplusplus */
 
 
-#define MYSQL_THREAD_VERSION "0.1.1114"
+#ifdef DEBUG
+#define DEB "_DEBUG"
+#else
+#define DEB ""
+#endif /* DEBUG */
+#define MYSQL_THREAD_VERSION "0.1.1114" DEB
 
 
 #define DEFAULT_NUM_THREADS	4
@@ -200,6 +205,14 @@ class Standard_MySQL_Threads_Handler: public MySQL_Threads_Handler
 	} variables;
 	public:
 	Standard_MySQL_Threads_Handler() {
+#ifdef DEBUG
+		if (glovars.has_debug==false) {
+#else
+		if (glovars.has_debug==true) {
+#endif /* DEBUG */
+			perror("Incompatible debagging version");
+			exit(EXIT_FAILURE);
+		}
 		num_threads=0;
 		mysql_threads=NULL;
 		stacksize=0;
diff --git a/lib/Standard_ProxySQL_Admin.cpp b/lib/Standard_ProxySQL_Admin.cpp
index dc69f6351..967f6776a 100644
--- a/lib/Standard_ProxySQL_Admin.cpp
+++ b/lib/Standard_ProxySQL_Admin.cpp
@@ -1293,8 +1293,12 @@ __end_while_pool:
 	return NULL;
 }
 
-
-#define PROXYSQL_ADMIN_VERSION "0.1.0815"
+#ifdef DEBUG
+#define DEB "_DEBUG"
+#else
+#define DEB ""
+#endif /* DEBUG */
+#define PROXYSQL_ADMIN_VERSION "0.1.0815" DEB
 
 //class Standard_ProxySQL_Admin: public ProxySQL_Admin {
 /*
@@ -1315,6 +1319,14 @@ public:
 */
 Standard_ProxySQL_Admin::Standard_ProxySQL_Admin() {
 //	int i;
+#ifdef DEBUG
+		if (glovars.has_debug==false) {
+#else
+		if (glovars.has_debug==true) {
+#endif /* DEBUG */
+			perror("Incompatible debagging version");
+			exit(EXIT_FAILURE);
+		}
 
 	SPA=this;
 	spinlock_rwlock_init(&rwlock);
diff --git a/lib/Standard_Query_Cache.cpp b/lib/Standard_Query_Cache.cpp
index 124093e07..f3df25be8 100644
--- a/lib/Standard_Query_Cache.cpp
+++ b/lib/Standard_Query_Cache.cpp
@@ -29,7 +29,12 @@
 	} while(0) 
 
 
-#define QUERY_CACHE_VERSION "0.1.0629"
+#ifdef DEBUG
+#define DEB "_DEBUG"
+#else
+#define DEB ""
+#endif /* DEBUG */
+#define QUERY_CACHE_VERSION "0.1.0629" DEB
 
 __thread uint64_t __thr_cntSet=0;
 __thread uint64_t __thr_cntGet=0;
@@ -316,6 +321,14 @@ virtual double area() const {
 };
 
 Standard_Query_Cache() {
+#ifdef DEBUG
+	if (glovars.has_debug==false) {
+#else
+	if (glovars.has_debug==true) {
+#endif /* DEBUG */
+		perror("Incompatible debagging version");
+		exit(EXIT_FAILURE);
+	}
 	QCnow=time(NULL);
 	//test=0;
 	size=SHARED_QUERY_CACHE_HASH_TABLES;
diff --git a/lib/Standard_Query_Processor.cpp b/lib/Standard_Query_Processor.cpp
index 771968491..1d04ca700 100644
--- a/lib/Standard_Query_Processor.cpp
+++ b/lib/Standard_Query_Processor.cpp
@@ -9,7 +9,12 @@
 #include "../deps/libinjection/libinjection_sqli.h"
 
 
-#define QUERY_PROCESSOR_VERSION "0.1.728"
+#ifdef DEBUG
+#define DEB "_DEBUG"
+#else
+#define DEB ""
+#endif /* DEBUG */
+#define QUERY_PROCESSOR_VERSION "0.1.728" DEB
 
 
 #define strdup_null(__c) ( __c ? strdup(__c) : __c )
@@ -238,6 +243,14 @@ protected:
 
 public:
 Standard_Query_Processor() {
+#ifdef DEBUG
+	if (glovars.has_debug==false) {
+#else
+	if (glovars.has_debug==true) {
+#endif /* DEBUG */
+		perror("Incompatible debagging version");
+		exit(EXIT_FAILURE);
+	}
 	proxy_debug(PROXY_DEBUG_MYSQL_QUERY_PROCESSOR, 4, "Initializing Query Processor with version=0\n");
 	spinlock_rwlock_init(&rwlock);
 	version=0;
diff --git a/src/main.cpp b/src/main.cpp
index 81bbe32cf..fdd2d5450 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -190,6 +190,12 @@ int main(int argc, const char * argv[]) {
 
 
 {
+#ifdef DEBUG
+	glovars.has_debug=true;
+#else
+	glovars.has_debug=false;
+#endif /* DEBUG */
+
 	__thr_sfp=l_mem_init();
 
 	{
diff --git a/src/proxysql_global.cpp b/src/proxysql_global.cpp
index 5d253ac54..12e868696 100644
--- a/src/proxysql_global.cpp
+++ b/src/proxysql_global.cpp
@@ -3,4 +3,3 @@
 //#include "proxysql_glovars.hpp"
 #include "cpp.h"
 //ProxySQL_GlobalVariables GloVars;
-