Mercurial > gnulib
view m4/fabsf.m4 @ 40246:c34f677e6117 default tip master
_Noreturn: GCC 4.7 does not support [[noreturn]] in C++11 mode
* lib/_Noreturn.h, m4/gnulib-common.m4: Don't use [[noreturn]] before
GCC 4.8.
author | Akim Demaille <akim.demaille@gmail.com> |
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date | Sun, 17 Mar 2019 19:27:20 +0100 |
parents | b06060465f09 |
children |
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# fabsf.m4 serial 3 dnl Copyright (C) 2011-2019 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_FABSF], [ AC_REQUIRE([gl_MATH_H_DEFAULTS]) AC_REQUIRE([gl_FUNC_FABS]) dnl Persuade glibc <math.h> to declare fabsf(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl Test whether fabsf() exists. We cannot assume that fabsf(), if it dnl exists, is defined in the same library as fabs(). This is not the case dnl on FreeBSD, NetBSD, OpenBSD. gl_MATHFUNC([fabsf], [float], [(float)]) if test $gl_cv_func_fabsf_no_libm = no \ && test $gl_cv_func_fabsf_in_libm = no; then HAVE_FABSF=0 FABSF_LIBM="$FABS_LIBM" fi AC_SUBST([FABSF_LIBM]) ])