Mercurial > gnulib
view m4/00gnulib.m4 @ 40177:dcd889592b62
dtoastr,ftoastr,ldtoastr: port to c-strtod changes
Decouple these modules from c-strtod. Nowadays it’s reasonable to
assume the C99 signatures for strtod and strtold. Programs that
require stricter adherence to C99 should also use the strtod and
strtold modules as needed, and we no longer need the
HAVE_C99_STRTOLD macro.
* NEWS: Mention this.
* lib/ftoastr.c (STRTOF) [LENGTH == 3]: Assume strtold.
* m4/c-strtod.m4 (gl_C_STRTOLD): Do not define HAVE_C99_STRTOLD.
* modules/dtoastr, modules/ftoastr, modules/ldtoastr:
(Files): Remove m4/c-strtod.m4.
(configure.ac): Do not require gl_C99_STRTOLD, which no longer
exists.
author | Paul Eggert <eggert@cs.ucla.edu> |
---|---|
date | Sat, 02 Feb 2019 13:01:55 -0800 |
parents | b06060465f09 |
children |
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# 00gnulib.m4 serial 3 dnl Copyright (C) 2009-2019 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. dnl This file must be named something that sorts before all other dnl gnulib-provided .m4 files. It is needed until such time as we can dnl assume Autoconf 2.64, with its improved AC_DEFUN_ONCE and dnl m4_divert semantics. # Until autoconf 2.63, handling of the diversion stack required m4_init # to be called first; but this does not happen with aclocal. Wrapping # the entire execution in another layer of the diversion stack fixes this. # Worse, prior to autoconf 2.62, m4_wrap depended on the underlying m4 # for whether it was FIFO or LIFO; in order to properly balance with # m4_init, we need to undo our push just before anything wrapped within # the m4_init body. The way to ensure this is to wrap both sides of # m4_init with a one-shot macro that does the pop at the right time. m4_ifndef([_m4_divert_diversion], [m4_divert_push([KILL]) m4_define([gl_divert_fixup], [m4_divert_pop()m4_define([$0])]) m4_define([m4_init], [gl_divert_fixup()]m4_defn([m4_init])[gl_divert_fixup()])]) # AC_DEFUN_ONCE([NAME], VALUE) # ---------------------------- # Define NAME to expand to VALUE on the first use (whether by direct # expansion, or by AC_REQUIRE), and to nothing on all subsequent uses. # Avoid bugs in AC_REQUIRE in Autoconf 2.63 and earlier. This # definition is slower than the version in Autoconf 2.64, because it # can only use interfaces that existed since 2.59; but it achieves the # same effect. Quoting is necessary to avoid confusing Automake. m4_version_prereq([2.63.263], [], [m4_define([AC][_DEFUN_ONCE], [AC][_DEFUN([$1], [AC_REQUIRE([_gl_DEFUN_ONCE([$1])], [m4_indir([_gl_DEFUN_ONCE([$1])])])])]dnl [AC][_DEFUN([_gl_DEFUN_ONCE([$1])], [$2])])]) # gl_00GNULIB # ----------- # Witness macro that this file has been included. Needed to force # Automake to include this file prior to all other gnulib .m4 files. AC_DEFUN([gl_00GNULIB])