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New module 'sqrtf'. * lib/math.in.h (sqrtf): New declaration. * lib/sqrtf.c: New file. * m4/sqrtf.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether sqrtf is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_SQRTF, HAVE_SQRTF. * modules/math (Makefile.am): Substitute GNULIB_SQRTF, HAVE_SQRTF. * modules/sqrtf: New file. * tests/test-math-c++.cc: Check the declaration of sqrtf. * doc/posix-functions/sqrtf.texi: Mention the new module.
author Bruno Haible <bruno@clisp.org>
date Sat, 08 Oct 2011 21:16:48 +0200
parents 97fc9a21a8fb
children 8250f2777afc
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#serial 3

dnl Copyright (C) 2005-2006, 2008-2011 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 From Paul Eggert.
dnl Provide a replacement for lchmod on hosts that lack it.

AC_DEFUN([gl_FUNC_LCHMOD],
[
  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])

  dnl Persuade glibc <sys/stat.h> to declare lchmod().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_CHECK_FUNCS_ONCE([lchmod])
  if test $ac_cv_func_lchmod = no; then
    HAVE_LCHMOD=0
  fi
])