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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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# libunistring-optional.m4 serial 1
dnl Copyright (C) 2010-2011 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 gl_LIBUNISTRING_OPTIONAL
dnl Searches for an installed libunistring or uses the included source code
dnl parts.
dnl If found, it sets and AC_SUBSTs HAVE_LIBUNISTRING=yes and the LIBUNISTRING
dnl and LTLIBUNISTRING variables and augments the CPPFLAGS variable, and
dnl #defines HAVE_LIBUNISTRING to 1. Otherwise, it sets and AC_SUBSTs
dnl HAVE_LIBUNISTRING=no and LIBUNISTRING and LTLIBUNISTRING to empty.

AC_DEFUN([gl_LIBUNISTRING_OPTIONAL],
[
  dnl gl_LIBUNISTRING does a couple of extra things if this macro is used.
  AC_REQUIRE([gl_LIBUNISTRING])

  AC_MSG_CHECKING([whether to use the included libunistring])
  AC_MSG_RESULT([$gl_libunistring_use_included])
])