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* doc/autoconf.texi (Limitations of Usual Tools): Some about mv
from /tmp. Thanks to Bill Moseley and Paul Eggert. * lib/m4sugar/m4sh.m4 (AS_TMPDIR): $2 is the directory into which the tmpdir must be created. * lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Have the tmp dir be in the build tree, instead of $TMPDIR.
This commit is contained in:
Akim Demaille
parent
686b49d823
commit
9a56bdde71
10
ChangeLog
10
ChangeLog
@ -1,3 +1,13 @@
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2002-09-27 Akim Demaille <akim@epita.fr>
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* doc/autoconf.texi (Limitations of Usual Tools): Some about mv
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from /tmp.
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Thanks to Bill Moseley and Paul Eggert.
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* lib/m4sugar/m4sh.m4 (AS_TMPDIR): $2 is the directory into which
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the tmpdir must be created.
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* lib/autoconf/status.m4 (_AC_OUTPUT_CONFIG_STATUS): Have the tmp
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dir be in the build tree, instead of $TMPDIR.
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2002-09-27 Akim Demaille <akim@epita.fr>
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* bin/autoscan.in: Improve the comments.
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9
NEWS
9
NEWS
@ -5,6 +5,15 @@
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- Portability of the Autoconf package to Solaris.
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- Spurious warnings caused by config.status.
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This bug is benign, but painful: on some systems (typically
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FreeBSD), warnings such as:
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config.status: creating Makefile
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mv: Makefile: set owner/group (was: 1357/0): Operation not permitted
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could be issued. This is fixed.
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* Major changes in Autoconf 2.54
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Released September 13th, 2002.
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1
THANKS
1
THANKS
@ -22,6 +22,7 @@ Artur Frysiak wiget@pld.org.pl
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Assar Westerlund assar@sics.se
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Axel Thimm Axel.Thimm@physik.fu-berlin.de
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Ben Elliston bje@redhat.com
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Bill Moseley moseley@hank.org
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Bill Sommerfeld sommerfeld@apollo.hp.com
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Bob Friesenhahn bfriesen@simple.dallas.tx.us
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Bob Proulx bob@proulx.com
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21
configure
vendored
21
configure
vendored
@ -1,6 +1,6 @@
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#! /bin/sh
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# Guess values for system-dependent variables and create Makefiles.
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# Generated by GNU Autoconf 2.54 for GNU Autoconf 2.54a.
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# Generated by GNU Autoconf 2.54a for GNU Autoconf 2.54a.
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#
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# Report bugs to <bug-autoconf@gnu.org>.
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#
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@ -854,7 +854,7 @@ test -n "$ac_init_help" && exit 0
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if $ac_init_version; then
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cat <<\_ACEOF
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GNU Autoconf configure 2.54a
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generated by GNU Autoconf 2.54
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generated by GNU Autoconf 2.54a
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Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
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Free Software Foundation, Inc.
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@ -869,7 +869,7 @@ This file contains any messages produced by compilers while
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running configure, to aid debugging if configure makes a mistake.
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It was created by GNU Autoconf $as_me 2.54a, which was
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generated by GNU Autoconf 2.54. Invocation command line was
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generated by GNU Autoconf 2.54a. Invocation command line was
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$ $0 $@
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@ -2287,7 +2287,7 @@ _ASBOX
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cat >&5 <<_CSEOF
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This file was extended by GNU Autoconf $as_me 2.54a, which was
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generated by GNU Autoconf 2.54. Invocation command line was
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generated by GNU Autoconf 2.54a. Invocation command line was
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CONFIG_FILES = $CONFIG_FILES
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CONFIG_HEADERS = $CONFIG_HEADERS
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@ -2344,7 +2344,7 @@ _ACEOF
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cat >>$CONFIG_STATUS <<_ACEOF
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ac_cs_version="\\
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GNU Autoconf config.status 2.54a
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configured by $0, generated by GNU Autoconf 2.54,
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configured by $0, generated by GNU Autoconf 2.54a,
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with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
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Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
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@ -2470,6 +2470,9 @@ if $ac_need_defaults; then
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test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
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fi
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# Have a temporary directory for convenience. Make it in the build tree
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# simply because there is no reason to put it here, and in addition,
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# creating and moving files from /tmp can sometimes cause problems.
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# Create a temporary directory, and hook for its removal unless debugging.
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$debug ||
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{
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@ -2478,17 +2481,17 @@ $debug ||
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}
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# Create a (secure) tmp directory for tmp files.
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: ${TMPDIR=/tmp}
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{
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tmp=`(umask 077 && mktemp -d -q "$TMPDIR/csXXXXXX") 2>/dev/null` &&
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tmp=`(umask 077 && mktemp -d -q "./confstatXXXXXX") 2>/dev/null` &&
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test -n "$tmp" && test -d "$tmp"
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} ||
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{
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tmp=$TMPDIR/cs$$-$RANDOM
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tmp=./confstat$$-$RANDOM
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(umask 077 && mkdir $tmp)
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} ||
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{
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echo "$me: cannot create a temporary directory in $TMPDIR" >&2
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echo "$me: cannot create a temporary directory in ." >&2
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{ (exit 1); exit 1; }
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}
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@ -10198,7 +10198,6 @@ None of @command{mkdir}'s options are portable. Instead of
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@samp{mkdir -p @var{filename}}, you should use use
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@code{AS_MKDIR_P(@var{filename})} (@pxref{Programming in M4sh}).
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@item @command{mv}
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@c ---------------
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@prindex @command{mv}
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@ -10210,6 +10209,31 @@ but it is not always atomic: when doing @samp{mv new existing}, there's
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a critical section where neither the old nor the new version of
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@file{existing} actually exists.
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Be aware that moving files from @file{/tmp} can sometimes cause
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undesirable (but perfectly valid) warnings, even if you created these
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files. On some systems, creating the file in @file{/tmp} is setting a
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guid @code{wheel} which you may not be part of. So the file is copied,
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and then the @code{chgrp} fails:
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@example
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$ @kbd{touch /tmp/foo}
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$ @kbd{mv /tmp/foo .}
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@error{}mv: ./foo: set owner/group (was: 3830/0): Operation not permitted
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$ @kbd{echo $?}
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0
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$ @kbd{ls foo}
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foo
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@end example
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@noindent
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This behavior conforms to @acronym{POSIX}:
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@quotation
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If the duplication of the file characteristics fails for any reason, mv
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shall write a diagnostic message to standard error, but this failure
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shall not cause mv to modify its exit status.''
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@end quotation
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Moving directories across mount points is not portable, use @command{cp}
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and @command{rm}.
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@ -1516,7 +1516,10 @@ m4_ifset([AC_LIST_COMMANDS],
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])dnl
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fi
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AS_TMPDIR(cs)
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# Have a temporary directory for convenience. Make it in the build tree
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# simply because there is no reason to put it here, and in addition,
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# creating and moving files from /tmp can sometimes cause problems.
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AS_TMPDIR([confstat], [.])
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_ACEOF
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])[]dnl m4_ifval
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@ -789,11 +789,11 @@ m4_define([AS_LITERAL_IF],
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[$3], [$2])])
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# AS_TMPDIR(PREFIX)
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# -----------------
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# Create as safely as possible a temporary directory which name is
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# inspired by PREFIX (should be 2-4 chars max), and set trap
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# mechanisms to remove it.
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# AS_TMPDIR(PREFIX, [DIRECTORY = $TMPDIR [= /tmp]])
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# -------------------------------------------------
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# Create as safely as possible a temporary directory in DIRECTORY
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# which name is inspired by PREFIX (should be 2-4 chars max), and set
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# trap mechanisms to remove it.
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m4_define([AS_TMPDIR],
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[# Create a temporary directory, and hook for its removal unless debugging.
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$debug ||
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@ -803,17 +803,17 @@ $debug ||
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}
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# Create a (secure) tmp directory for tmp files.
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: ${TMPDIR=/tmp}
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m4_if([$2], [], [: ${TMPDIR=/tmp}])
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{
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tmp=`(umask 077 && mktemp -d -q "$TMPDIR/$1XXXXXX") 2>/dev/null` &&
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tmp=`(umask 077 && mktemp -d -q "m4_default([$2], [$TMPDIR])/$1XXXXXX") 2>/dev/null` &&
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test -n "$tmp" && test -d "$tmp"
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} ||
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{
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tmp=$TMPDIR/$1$$-$RANDOM
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tmp=m4_default([$2], [$TMPDIR])/$1$$-$RANDOM
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(umask 077 && mkdir $tmp)
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} ||
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{
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echo "$me: cannot create a temporary directory in $TMPDIR" >&2
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echo "$me: cannot create a temporary directory in m4_default([$2], [$TMPDIR])" >&2
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AS_EXIT
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}dnl
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])# AS_TMPDIR
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