From 902a8bad43d176e495bc6e337bffb010d74e18a3 Mon Sep 17 00:00:00 2001
From: Cameron Cawley <ccawley2011@gmail.com>
Date: Fri, 12 Aug 2022 12:05:55 +0100
Subject: [PATCH] Error out when building with DJGPP <= 2.01

Co-authored-by: sezero <sezero@users.noreply.github.com>
---
 src/dos/dosutil.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/dos/dosutil.c b/src/dos/dosutil.c
index 1d575f2..26c3c99 100644
--- a/src/dos/dosutil.c
+++ b/src/dos/dosutil.c
@@ -2,7 +2,7 @@
 
 #if defined(__DJGPP__)
 
-#include <go32.h> /* includes sys/version.h (djgpp >= 2.02) */
+#include <sys/version.h>
 #include <dpmi.h>
 #include <sys/nearptr.h>
 
@@ -10,7 +10,7 @@
  * src/libc/dpmi/api/d0102.s loads the selector and allocsize
  * arguments in the wrong order.  DJGPP >= 2.02 have it fixed. */
 #if (!defined(__DJGPP_MINOR__) || (__DJGPP_MINOR__+0) < 2)
-#warning __dpmi_resize_dos_memory() from DJGPP <= 2.01 is broken!
+#error __dpmi_resize_dos_memory() from DJGPP <= 2.01 is broken!
 #endif
 
 int dpmi_allocate_dos_memory(int paragraphs, int *ret_selector_or_max) {