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view m4/wchar_t.m4 @ 15857:6b8400199763
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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# wchar_t.m4 serial 4 (gettext-0.18.2) dnl Copyright (C) 2002-2003, 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 Bruno Haible. dnl Test whether <stddef.h> has the 'wchar_t' type. dnl Prerequisite: AC_PROG_CC AC_DEFUN([gt_TYPE_WCHAR_T], [ AC_CACHE_CHECK([for wchar_t], [gt_cv_c_wchar_t], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[#include <stddef.h> wchar_t foo = (wchar_t)'\0';]], [[]])], [gt_cv_c_wchar_t=yes], [gt_cv_c_wchar_t=no])]) if test $gt_cv_c_wchar_t = yes; then AC_DEFINE([HAVE_WCHAR_T], [1], [Define if you have the 'wchar_t' type.]) fi ])