From bdb7bfd79b766e9e3955c47715b7eb8eba96a73b Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <sezeroz@gmail.com>
Date: Thu, 17 Aug 2017 21:32:42 -0400
Subject: [PATCH] SDL_assert.h: add inline asm (int $3) as
 SDL_TriggerBreakpoint for Watcom/x86

(also disable SIGTRAP case to !watcom, because watcom doesn't have SIGTRAP.)

Partially fixes Bugzilla #3758.
---
 include/SDL_assert.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/SDL_assert.h b/include/SDL_assert.h
index e80de78deb4c8..ab6868f084295 100644
--- a/include/SDL_assert.h
+++ b/include/SDL_assert.h
@@ -53,7 +53,9 @@ assert can have unique static variables associated with it.
     #define SDL_TriggerBreakpoint() __debugbreak()
 #elif ( (!defined(__NACL__)) && ((defined(__GNUC__) || defined(__clang__)) && (defined(__i386__) || defined(__x86_64__))) )
     #define SDL_TriggerBreakpoint() __asm__ __volatile__ ( "int $3\n\t" )
-#elif defined(HAVE_SIGNAL_H)
+#elif defined(__386__) && defined(__WATCOMC__)
+    #define SDL_TriggerBreakpoint() { _asm { int 0x03 } }
+#elif defined(HAVE_SIGNAL_H) && !defined(__WATCOMC__)
     #include <signal.h>
     #define SDL_TriggerBreakpoint() raise(SIGTRAP)
 #else