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-rw-r--r--m4/ax_c_arithmetic_rshift.m436
1 files changed, 0 insertions, 36 deletions
diff --git a/m4/ax_c_arithmetic_rshift.m4 b/m4/ax_c_arithmetic_rshift.m4
deleted file mode 100644
index 3c183445..00000000
--- a/m4/ax_c_arithmetic_rshift.m4
+++ /dev/null
@@ -1,36 +0,0 @@
-##### http://autoconf-archive.cryp.to/ax_c_arithmetic_rshift.html
-#
-# SYNOPSIS
-#
-# AX_C_ARITHMETIC_RSHIFT
-#
-# DESCRIPTION
-#
-# Checks if the right shift operation is arithmetic.
-#
-# This macro uses compile-time detection and so is cross-compile
-# ready.
-#
-# LAST MODIFICATION
-#
-# 2006-12-12
-#
-# COPYLEFT
-#
-# Copyright (c) 2006 YAMAMOTO Kengo <yamaken AT bp.iij4u.or.jp>
-#
-# Copying and distribution of this file, with or without
-# modification, are permitted in any medium without royalty provided
-# the copyright notice and this notice are preserved.
-
-AC_DEFUN([AX_C_ARITHMETIC_RSHIFT], [
- AC_CACHE_CHECK([whether right shift operation is arithmetic],
- [ax_cv_c_arithmetic_rshift],
- [AC_COMPILE_IFELSE([[int dummy[((-1 >> 1) < 0) ? 1 : -1];]],
- [ax_cv_c_arithmetic_rshift=yes],
- [ax_cv_c_arithmetic_rshift=no])])
- if test "x$ax_cv_c_arithmetic_rshift" = xyes; then
- AC_DEFINE([HAVE_ARITHMETIC_RSHIFT], [1],
- [Define to 1 if the right shift operation is arithmetic.])
- fi
-])