From 0cc8c3206b1ac214af00975960adca517f5f5e45 Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <vital.had@gmail.com>
Date: Fri, 28 Oct 2022 21:02:42 +0800
Subject: [PATCH 5/8] Makefile.inc: use -O1 and gnu89

diff --git a/Makefile.inc b/Makefile.inc
index 4fbd47a..cbd5843 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -1,6 +1,6 @@
 ### Configurable variables:
 
-OPT = -O3
+OPT = -O1 -std=gnu89
 #ARCH = -m32
 ARCH =