diff --git a/srcpkgs/mysql/patches/gcc7-compare-pointer.patch b/srcpkgs/mysql/patches/gcc7-compare-pointer.patch
new file mode 100644
index 00000000000..0b01a6ea719
--- /dev/null
+++ b/srcpkgs/mysql/patches/gcc7-compare-pointer.patch
@@ -0,0 +1,12 @@
+--- sql-common/client_authentication.cc	2016-03-03 16:35:33.000000000 +0100
++++ sql-common/client_authentication.cc	2017-05-09 16:14:10.298254686 +0200
+@@ -83,8 +83,7 @@
+   FILE *pub_key_file= NULL;
+ 
+   if (mysql->options.extension != NULL &&
+-      mysql->options.extension->server_public_key_path != NULL &&
+-      mysql->options.extension->server_public_key_path != '\0')
++      mysql->options.extension->server_public_key_path != NULL)
+   {
+     pub_key_file= fopen(mysql->options.extension->server_public_key_path,
+                         "r");