Mercurial > gnulib
view m4/copysign.m4 @ 40231:9b3c79fdfe0b
strtod: fix clash with strtold
Problem reported for RHEL 5 by Jesse Caldwell (Bug#34817).
* lib/strtod.c (compute_minus_zero, minus_zero):
Simplify by remving the macro / external variable,
and having just a function. User changed. This avoids
the need for an external variable that might clash.
author | Paul Eggert <eggert@cs.ucla.edu> |
---|---|
date | Mon, 11 Mar 2019 16:40:29 -0700 |
parents | b06060465f09 |
children |
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# copysign.m4 serial 1 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_COPYSIGN], [ AC_REQUIRE([gl_MATH_H_DEFAULTS]) dnl Determine COPYSIGN_LIBM. gl_MATHFUNC([copysign], [double], [(double, double)]) if test $gl_cv_func_copysign_no_libm = no \ && test $gl_cv_func_copysign_in_libm = no; then HAVE_COPYSIGN=0 COPYSIGN_LIBM= fi AC_SUBST([COPYSIGN_LIBM]) ])