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New module 'ilogbl'. * lib/math.in.h (ilogbl): New declaration. * lib/ilogbl.c: New file. * m4/ilogbl.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether ilogbl is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_ILOGBL, HAVE_ILOGBL. * modules/math (Makefile.am): Substitute GNULIB_ILOGBL, HAVE_ILOGBL. Split sed invocation, to avoid the limit of 100 substitutions of HP-UX 'sed'. * modules/ilogbl: New file. * tests/test-math-c++.cc: Check the declaration of ilogbl. * doc/posix-functions/ilogbl.texi: Mention the new module.
author Bruno Haible <bruno@clisp.org>
date Tue, 03 Apr 2012 21:58:52 +0200
parents 8250f2777afc
children e542fd46ad6f
line wrap: on
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# yield.m4 serial 2
dnl Copyright (C) 2005-2012 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.

AC_DEFUN([gl_YIELD],
[
  AC_REQUIRE([gl_THREADLIB])
  dnl On some systems, sched_yield is in librt, rather than in libpthread.
  YIELD_LIB=
  if test $gl_threads_api = posix; then
    dnl Solaris has sched_yield in librt, not in libpthread or libc.
    AC_CHECK_LIB([rt], [sched_yield], [YIELD_LIB=-lrt],
      [dnl Solaris 2.5.1, 2.6 has sched_yield in libposix4, not librt.
       AC_CHECK_LIB([posix4], [sched_yield], [YIELD_LIB=-lposix4])])
  fi
  AC_SUBST([YIELD_LIB])
])