rename

extconf.rb

@@ -13,7 +13,7 @@ if have_library('mysqlclient')
     $CFLAGS << ' -DRUBY_19_COMPATIBILITY'
   end
   
-  create_makefile('mysql_ext')
+  create_makefile('mysql_duce_ext')
 else
   puts 'libmysql not found, maybe try manually specifying --with-mysql-dir to find it?'
 end

mysql_duce_ext.c

@@ -132,7 +132,7 @@ static VALUE rb_mysql_result_fetch_rows(VALUE self) {
 }
 
 /* Ruby Extension initializer */
-void Init_mysql_ext() {
+void Init_mysql_duce_ext() {
   mMySQL = rb_define_module("MySQL");
 
   cMySQLClient = rb_define_class_under(mMySQL, "Client", rb_cObject);