From 2689f32453eb891847d538a880c8adb6fbe2c5b5 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Wed, 14 Nov 2012 22:16:10 +0100
Subject: [PATCH] Prevent erroneous x64 builds with non-native exception
 handling.

---
 src/lj_arch.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/lj_arch.h b/src/lj_arch.h
index 25c2cff8..220f3df2 100644
--- a/src/lj_arch.h
+++ b/src/lj_arch.h
@@ -300,7 +300,11 @@
 
 /* Check target-specific constraints. */
 #ifndef _BUILDVM_H
-#if LJ_TARGET_ARM
+#if LJ_TARGET_X64
+#if __USING_SJLJ_EXCEPTIONS__
+#error "Need a C compiler with native exception handling on x64"
+#endif
+#elif LJ_TARGET_ARM
 #if defined(__ARMEB__)
 #error "No support for big-endian ARM"
 #endif