kc3-lang/gnulib/m4/log2-ieee.m4

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• Hash : 6bf08d5f
  Author :
  Date : 2012-03-11T22:12:34
  

  log2-ieee: Work around test failure on NetBSD 5.1 and Solaris 10.
  
  * m4/log2-ieee.m4: New file.
  * m4/log2.m4 (gl_FUNC_LOG2): If gl_FUNC_LOG2_IEEE is present, test
  whether log2 works with a minus zero argument. Replace it if not.
  * modules/log2-ieee (Files): Add m4/log2-ieee.m4.
  (configure.ac): Invoke gl_FUNC_LOG2_IEEE.
  * doc/posix-functions/log2.texi: Mention the log2-ieee module.
  

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• m4/log2-ieee.m4

• # log2-ieee.m4 serial 1
  dnl Copyright (C) 2012 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
  dnl with or without modifications, as long as this notice is preserved.
  
  dnl This macro is in a separate file (not in remainder.m4 and not inlined in the
  dnl module description), so that gl_FUNC_LOG2 can test whether 'aclocal' has
  dnl found uses of this macro.
  
  AC_DEFUN([gl_FUNC_LOG2_IEEE],
  [
    m4_divert_text([INIT_PREPARE], [gl_log2_required=ieee])
    AC_REQUIRE([gl_FUNC_LOG2])
  ])
  

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