From 891a743ac34cf265563f55455b452c61056234e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Duval?= <jerome.duval@gmail.com>
Date: Sun, 25 Feb 2018 16:18:31 +0100
Subject: [PATCH] x86_64: add kernel define and macro for x86 compatibility.

thus the kernel can be built with 32-bit compatibility support.

Change-Id: I5699bcb04908d5abb01da3166c3c180582b9026f
---
 build/jam/ArchitectureRules | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/build/jam/ArchitectureRules b/build/jam/ArchitectureRules
index 19fcb7d716..d3286e5461 100644
--- a/build/jam/ArchitectureRules
+++ b/build/jam/ArchitectureRules
@@ -394,6 +394,12 @@ rule KernelArchitectureSetup architecture
 				HAIKU_BOOT_CCFLAGS += -m32 -march=pentium ;
 				HAIKU_BOOT_C++FLAGS += -m32 -march=pentium ;
 			}
+
+			if x86 in $(HAIKU_ARCHS[2-]) || x86_gcc2 in $(HAIKU_ARCHS[2-]) {
+				Echo "Enable kernel ia32 compatibility" ;
+				HAIKU_KERNEL_DEFINES += _COMPAT_MODE ;
+				HAIKU_KERNEL_COMPAT_MODE = 1 ;
+			}
 	}
 
 	if $(HAIKU_BOOT_PLATFORM) = efi {