Mercurial > gnulib
view m4/physmem.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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# physmem.m4 serial 12 dnl Copyright (C) 2002-2003, 2005-2006, 2008-2019 Free Software Foundation, dnl 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. # Check for the external symbol, _system_configuration, # a struct with member 'physmem'. AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION], [AC_CACHE_CHECK([for external symbol _system_configuration], [gl_cv_var__system_configuration], [AC_LINK_IFELSE([AC_LANG_PROGRAM( [[#include <sys/systemcfg.h> ]], [[double x = _system_configuration.physmem; if (x > 0.0) return 0;]])], [gl_cv_var__system_configuration=yes], [gl_cv_var__system_configuration=no])]) if test $gl_cv_var__system_configuration = yes; then AC_DEFINE([HAVE__SYSTEM_CONFIGURATION], [1], [Define to 1 if you have the external variable, _system_configuration with a member named physmem.]) fi ] ) AC_DEFUN([gl_PHYSMEM], [ # Prerequisites of lib/physmem.c. AC_CHECK_HEADERS([sys/pstat.h sys/sysmp.h sys/sysinfo.h \ machine/hal_sysinfo.h sys/table.h sys/param.h sys/systemcfg.h],,, [AC_INCLUDES_DEFAULT]) dnl <sys/sysctl.h> requires <sys/param.h> on OpenBSD 4.0. AC_CHECK_HEADERS([sys/sysctl.h],,, [AC_INCLUDES_DEFAULT #if HAVE_SYS_PARAM_H # include <sys/param.h> #endif ]) AC_CHECK_FUNCS([pstat_getstatic pstat_getdynamic sysmp getsysinfo sysctl table sysinfo]) AC_CHECK_MEMBERS([struct sysinfo.mem_unit],,, [[#include <sys/sysinfo.h>]]) AC_REQUIRE([gl_SYS__SYSTEM_CONFIGURATION]) ])