From 1f01976e0058193c31f15a82e7b5b176ade7f625 Mon Sep 17 00:00:00 2001
From: Reini Urban <rurban@cpan.org>
Date: Sun, 1 Oct 2017 15:26:55 +0200
Subject: [PATCH] [core] fix __WORDSIZE for clang

Some clang's do not parse sizeof(void*) * 8, darwin and here esp. freebsd clang-4.
Thanksfully clang uses their own macro __SIZE_WIDTH__
for the GCC extension __WORDSIZE.
See GH #1238
---
 include/parrot/compiler.h | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/include/parrot/compiler.h b/include/parrot/compiler.h
index 6a689304cf..e7de4b88cc 100644
--- a/include/parrot/compiler.h
+++ b/include/parrot/compiler.h
@@ -1,5 +1,5 @@
 /* compiler.h
- *  Copyright (C) 2007-2015, Parrot Foundation.
+ *  Copyright (C) 2007-2017, Parrot Foundation.
  *  Overview:
  *     defines compiler capabilities and attributes
  */
@@ -7,9 +7,13 @@
 #ifndef PARROT_COMPILER_H_GUARD
 #define PARROT_COMPILER_H_GUARD
 
-/* darwin clang! */
+/* clang on darwin/freebsd */
 #ifndef __WORDSIZE
-#  define __WORDSIZE (sizeof(void*) * 8)
+#  ifdef __SIZE_WIDTH__
+#    define __WORDSIZE __SIZE_WIDTH__
+#  else
+#    define __WORDSIZE (8 * sizeof void*)
+#  endif
 #endif
 
 /*