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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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# getsubopt.m4 serial 5
dnl Copyright (C) 2004, 2007, 2009-2012 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_FUNC_GETSUBOPT],
[
  dnl Persuade glibc <stdlib.h> to declare getsubopt().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  AC_CHECK_FUNCS_ONCE([getsubopt])
  if test $ac_cv_func_getsubopt = no; then
    HAVE_GETSUBOPT=0
  fi
])

# Prerequisites of lib/getsubopt.c.
AC_DEFUN([gl_PREREQ_GETSUBOPT], [:])