Mercurial > gnulib
view m4/rintf.m4 @ 17249:e542fd46ad6f
maint: update all copyright year number ranges
Run "make update-copyright". Compare to commit 1602f0a from last year.
Signed-off-by: Eric Blake <eblake@redhat.com>
author | Eric Blake <eblake@redhat.com> |
---|---|
date | Tue, 01 Jan 2013 00:50:58 +0000 |
parents | 9ac8499fa137 |
children | 344018b6e5d7 |
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# rintf.m4 serial 4 dnl Copyright (C) 2011-2013 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_RINTF], [ AC_REQUIRE([gl_MATH_H_DEFAULTS]) dnl Persuade glibc <math.h> to declare rintf(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl Determine RINTF_LIBM. gl_MATHFUNC([rintf], [float], [(float)], [extern #ifdef __cplusplus "C" #endif float rintf (float); ]) if test $gl_cv_func_rintf_no_libm = yes \ || test $gl_cv_func_rintf_in_libm = yes; then HAVE_RINTF=1 dnl Also check whether it's declared. dnl IRIX 6.5 has rintf() in libm but doesn't declare it in <math.h>. AC_CHECK_DECLS([rintf], , [HAVE_DECL_RINTF=0], [[#include <math.h>]]) else HAVE_RINTF=0 HAVE_DECL_RINTF=0 RINTF_LIBM= fi AC_SUBST([RINTF_LIBM]) ])