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  • Committer: Brian Aker
  • Date: 2012-12-17 11:57:49 UTC
  • mto: (43.2.3 libdrizzle-redux-5)
  • mto: This revision was merged to the branch mainline in revision 45.
  • Revision ID: brian@tangent.org-20121217115749-bjb8xuy3w9fs7h0i
Add autoconf rules.

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m4/ax_endian.m4
 
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# https://github.com/BrianAker/ddm4
 
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# ===========================================================================
 
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#
 
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# SYNOPSIS
 
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#
 
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#   AX_ENDIAN()
 
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#
 
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# DESCRIPTION
 
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#
 
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#   Generate to defines describing endian.
 
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#
 
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# LICENSE
 
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#
 
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#   Copyright (c) 2012 Brian Aker <brian@tangent.org>
 
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#
 
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#   Copying and distribution of this file, with or without modification, are
 
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#   permitted in any medium without royalty provided the copyright notice
 
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#   and this notice are preserved. This file is offered as-is, without any
 
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#   warranty.
 
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#serial 1
 
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AC_DEFUN([AX_ENDIAN],[
 
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    AC_C_BIGENDIAN([
 
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      AC_DEFINE([WORDS_BIGENDIAN],[1],[machine is big-endian])
 
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      AC_DEFINE([ENDIAN_BIG],[1],[machine is big-endian])
 
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      AC_DEFINE([ENDIAN_LITTLE],[0],[machine is little-endian])],[ 
 
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      ],[ 
 
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      AC_DEFINE([WORDS_BIGENDIAN],[0],[machine is big-endian])
 
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      AC_DEFINE([ENDIAN_BIG],[0],[machine is big-endian])
 
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      AC_DEFINE([ENDIAN_LITTLE],[1],[machine is little-endian])
 
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      ],[ 
 
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      AC_MSG_ERROR([unable to determine endian])
 
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      ]) 
 
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    ])