diff --git a/src/mysql_backend/Makefile b/src/mysql_backend/Makefile
index eb3b9b4..2bbada0 100644
--- a/src/mysql_backend/Makefile
+++ b/src/mysql_backend/Makefile
@@ -1,18 +1,16 @@
-CFLAGS=-D_WITH_INTERACTIVE_TERMINAL -ggdb -Wall
+CFLAGS=-D_WITH_INTERACTIVE_TERMINAL `pkg-config --cflags mysqlclient` -ggdb -Wall
+LDFLAGS=`pkg-config --libs mysqlclient`
 
-all: test
+all: test mysql_backend.a
 
 clean:
-	rm -f *.o mysql_backend_test
+	rm -f *.o *.a mysql_backend_test
 
 test: mysql_backend_test
 
-mysql_backend.o: mysql_backend.c
-	$(CC) $(CFLAGS) `pkg-config --cflags mysqlclient` -c -o $@ $?
+mysql_backend.a: mysql_backend.o mysql_backend_utils.o
+	$(AR) -rcv $@ $?
 
-mysql_backend_utils.o: mysql_backend_utils.c
-	$(CC) $(CFLAGS) `pkg-config --cflags mysqlclient` -c -o $@ $?
-
-mysql_backend_test: mysql_backend.c mysql_backend_utils.o
+mysql_backend_test: mysql_backend.c mysql_backend_utils.c
 	$(CC) $(CFLAGS) -D_TEST `pkg-config --cflags --libs mysqlclient` -o $@ $?
 
diff --git a/src/mysql_backend/mysql_backend.c b/src/mysql_backend/mysql_backend.c
index f364ec2..31f0fa2 100644
--- a/src/mysql_backend/mysql_backend.c
+++ b/src/mysql_backend/mysql_backend.c
@@ -79,7 +79,7 @@ int mysql_backend_write_record(void *ctx, char **error, ...)
 {
     mysql_backend_ctx_t *c;
     char *record = NULL;
-    int ret=0, size=0;
+    int size=0;
     va_list ap;
 
     if (!ctx) {
diff --git a/src/mysql_backend/mysql_backend.h b/src/mysql_backend/mysql_backend.h
index ad675e4..5626025 100644
--- a/src/mysql_backend/mysql_backend.h
+++ b/src/mysql_backend/mysql_backend.h
@@ -7,7 +7,7 @@
 void *mysql_backend_init(char **error);
 int mysql_backend_open_records_base(void *ctx, char **error, const char *uri);
 int mysql_backend_write_record(void *ctx, char **error, va_list ap);
-int mysql_backend_set_format(void *ctx, char  **error, char *format);
+int mysql_backend_set_format(void *ctx, char  **error, const char *format);
 int mysql_backend_close_records_base(void *ctx);
 
 #endif
diff --git a/src/mysql_backend/mysql_backend_utils.c b/src/mysql_backend/mysql_backend_utils.c
index 3a721b9..503c202 100644
--- a/src/mysql_backend/mysql_backend_utils.c
+++ b/src/mysql_backend/mysql_backend_utils.c
@@ -122,7 +122,7 @@ failed:
     return NULL;
 }
 
-#ifdef _TEST
+#ifdef _TEST_URI
 char *tests[7][2] = {
     { "Every info provided",
      "mysql://leon:bruxelles@lafrite:1024/STOCK_PATATE.avril" },
diff --git a/src/smart_records.c b/src/smart_records.c
index 8f3da98..07b644e 100644
--- a/src/smart_records.c
+++ b/src/smart_records.c
@@ -6,7 +6,7 @@
 #include "smart_records_internals.h"
 
 #ifdef _HAS_MYSQL
-#include "mysql_backend.h"
+#include "mysql_backend/mysql_backend.h"
 #endif
 
 #ifdef _HAS_SQLITE
@@ -18,7 +18,7 @@
 #endif
 
 #ifdef _HAS_CSV
-#include "csv_backend.h"
+#include "csv_backend/csv_backend.h"
 #endif
 
 
@@ -42,11 +42,10 @@ int smart_records_open_base(smart_records_ctx_t *ctx, char **error, const char *
         ctx->write_record = mysql_backend_write_record;
         ctx->set_format = mysql_backend_set_format;
         ctx->close_records_base = mysql_backend_close_records_base;
-        if ((ctx->backend_ctx = mysql_backend_init(error) == NULL)
+        if (!(ctx->backend_ctx = mysql_backend_init(error)))
             goto failed;
 #else
         set_error_and_fails("built without support for mysql:// URIs");
-        goto failed;
 #endif
     }
 
@@ -66,6 +65,12 @@ int smart_records_open_base(smart_records_ctx_t *ctx, char **error, const char *
 
     else if(!strncmp("csv://", uri, len_uri < 8 ? len_uri : 8)) {
 #ifdef _HAS_CSV
+        ctx->backend_ctx = NULL;
+        ctx->write_record = csv_backend_write_record;
+        ctx->set_format = csv_backend_set_format;
+        ctx->close_records_base = csv_backend_close_records_base;
+        if (!(ctx->backend_ctx = csv_backend_init(error)))
+            goto failed;
 #else
         set_error_and_fails("built without suppor fort csv:// URIs");
 #endif
@@ -93,3 +98,8 @@ int smart_records_write(smart_records_ctx_t *ctx, char **error, va_list ap)
 {
     return ctx->write_record(ctx, error, ap);
 }
+
+int main(int ac, char **av)
+{
+    printf("coucou !\n");
+}
diff --git a/src/smart_records_internals.h b/src/smart_records_internals.h
index 0c7bb83..2515821 100644
--- a/src/smart_records_internals.h
+++ b/src/smart_records_internals.h
@@ -7,10 +7,10 @@
 #define set_error_and_fails(x) { if (error) *error = strdup(x); goto failed; }
 
 typedef struct smart_records_ctx_t {
-    void *CTX;
-    int (*set_format) (struct smart_records_ctx_t *ctx, char **error, const char *fmt);
-    int (*write_record) (struct smart_records_ctx_t *ctx, char **error, va_list ap);
-    int (*close_records_base) (struct smart_records_ctx_t *ctx);
+    void *backend_ctx;
+    int (*set_format) (void *ctx, char **error, const char *fmt);
+    int (*write_record) (void *ctx, char **error, va_list ap);
+    int (*close_records_base) (void *ctx);
 } smart_records_ctx_t ;   
 
 #endif