From f51f35a32fa672ef60bba39b4ab8908f24455dee Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 7 Mar 2009 13:06:05 +0000
Subject: * configure.in (universal_binary): checks if sizes are same on all  
 architectures.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22816 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.in | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index c7b999a31f..0f7d8050b9 100644
--- a/configure.in
+++ b/configure.in
@@ -344,6 +344,20 @@ AC_CHECK_SIZEOF(float, 4)
 AC_CHECK_SIZEOF(double, 8)
 AC_CHECK_SIZEOF(time_t, 0)
 
+if test "$universal_binary" = yes; then
+    for type in int long "long long" "void*" time_t; do
+	eval size='$ac_cv_sizeof_'AS_TR_SH($type)
+	if test $size = 0; then continue; fi
+	AC_COMPILE_IFELSE(
+	    [AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT],
+		[sizeof($type) == $size])], [], [size=0])
+	if test $size = 0; then
+	    dnl try with __LP64__
+	    AC_MSG_ERROR([size of $type is unknown])
+	fi
+    done
+fi
+
 dnl RUBY_REPLACE_TYPE [typename] [default type] [macro type] [included]
 AC_DEFUN([RUBY_REPLACE_TYPE], [dnl
     AC_CHECK_TYPE([$1], [n=[$1]], [n=[$2]], [$4])
-- 
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