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patch gnulib to accomodate autoconf 2.70

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Upgrading gnulib turned to be too difficult, so this only includes
updates to m4 files necessary to please Autoconf 2.70.

For issue #447.

* m4/extensions.m4, m4/malloc.m4, m4/std-gnu11.m4: Cherry-pick
from today's gnulib version.
This commit is contained in:
Alexandre Duret-Lutz 2021-01-14 15:29:48 +01:00
parent 06b5a82950
commit 094a6fa57e
3 changed files with 117 additions and 80 deletions
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11
m4/std-gnu11.m4
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@ -6,8 +6,10 @@
# This implementation will be obsolete once we can assume Autoconf 2.70
# or later is installed everywhere a Gnulib program might be developed.
m4_version_prereq([2.70], [], [
# Copyright (C) 2001-2020 Free Software Foundation, Inc.
# Copyright (C) 2001-2021 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@ -70,7 +72,7 @@ _AS_ECHO_LOG([checking for _AC_LANG compiler version])
set X $ac_compile
ac_compiler=$[2]
for ac_option in --version -v -V -qversion -version; do
m4_ifdef([_AC_DO_LIMIT],[_AC_DO_LIMIT],[_AC_DO])([$ac_compiler $ac_option >&AS_MESSAGE_LOG_FD])
_AC_DO_LIMIT([$ac_compiler $ac_option >&AS_MESSAGE_LOG_FD])
done
m4_expand_once([_AC_COMPILER_EXEEXT])[]dnl
@ -135,7 +137,7 @@ _AS_ECHO_LOG([checking for _AC_LANG compiler version])
set X $ac_compile
ac_compiler=$[2]
for ac_option in --version -v -V -qversion; do
m4_ifdef([_AC_DO_LIMIT],[_AC_DO_LIMIT],[_AC_DO])([$ac_compiler $ac_option >&AS_MESSAGE_LOG_FD])
_AC_DO_LIMIT([$ac_compiler $ac_option >&AS_MESSAGE_LOG_FD])
done
m4_expand_once([_AC_COMPILER_EXEEXT])[]dnl
@ -822,3 +824,6 @@ dnl Tru64 N/A (no support)
dnl with extended modes being tried first.
[[-std=gnu++11 -std=c++11 -std=gnu++0x -std=c++0x -qlanglvl=extended0x -AA]], [$1], [$2])[]dnl
])# _AC_PROG_CXX_CXX11
])# m4_version_prereq