From b5ee195f1e3f11a5979841bedbf932926ffe5322 Mon Sep 17 00:00:00 2001
From: Anthony Green <green@redhat.com>
Date: Thu, 7 Feb 2002 03:24:12 +0000
Subject: embedded updates

From-SVN: r49562
---
 libjava/acinclude.m4 | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'libjava/acinclude.m4')

diff --git a/libjava/acinclude.m4 b/libjava/acinclude.m4
index 68f5255..6107507 100644
--- a/libjava/acinclude.m4
+++ b/libjava/acinclude.m4
@@ -1,3 +1,29 @@
+AC_DEFUN([AC_COMPILE_CHECK_SIZEOF],
+[changequote(<<, >>)dnl
+dnl The name to #define.
+define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
+dnl The cache variable name.
+define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
+changequote([, ])dnl
+AC_MSG_CHECKING(size of $1)
+AC_CACHE_VAL(AC_CV_NAME,
+[for ac_size in 4 8 1 2 16 12 $2 ; do # List sizes in rough order of prevalence.
+  AC_TRY_COMPILE([#include "confdefs.h"
+#include <sys/types.h>
+$2
+], [switch (0) case 0: case (sizeof ($1) == $ac_size):;], AC_CV_NAME=$ac_size)
+  if test x$AC_CV_NAME != x ; then break; fi
+done
+])
+if test x$AC_CV_NAME = x ; then
+  AC_MSG_ERROR([cannot determine a size for $1])
+fi
+AC_MSG_RESULT($AC_CV_NAME)
+AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The number of bytes in type $1])
+undefine([AC_TYPE_NAME])dnl
+undefine([AC_CV_NAME])dnl
+])
+
 AC_DEFUN(LIBGCJ_CONFIGURE,
 [
 dnl Default to --enable-multilib
-- 
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