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Re: [bug-gnulib] gnulib/gnulib-tool shell quoting problem for Solaris /b
From: |
Mark D. Baushke |
Subject: |
Re: [bug-gnulib] gnulib/gnulib-tool shell quoting problem for Solaris /bin/sh |
Date: |
Wed, 25 Jan 2006 11:47:51 -0800 |
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Hi Bruno,
Bruno Haible <address@hidden> writes:
> Mark Baushke wrote:
>
> > Okay, I tried your 'set -x' that and it appears the error message
> > happens just after the func_import () finishes executing.
> > ...
> > + echo - invoke gl_INIT in ./configure.in.
> > - invoke gl_INIT in ./configure.in.
> > + exit 0
> > + -
> > ../gnulib/gnulib-tool: -: not found
>
> I'm trying this patch. Does it work for you?
Yes.
It appears that using any of
"trap : 0 1 2 3 15"
or
"trap '' 0 1 2 3 15"
or
"trap 0 1 2 3 15"
on line 1179 of gnulib-tool will fix the reported problem on my
Solaris 9 host.
The Solaris 9 man page for sh has the following to say regarding trap:
| trap [ argument n [ n2 ... ]]
| The command argument is to be read and executed when
| the shell receives numeric or symbolic signal(s) (n).
| (Note: argument is scanned once when the trap is set
| and once when the trap is taken.) Trap commands are
| executed in order of signal number or corresponding
| symbolic names. Any attempt to set a trap on a signal
| that was ignored on entry to the current shell is
| ineffective. An attempt to trap on signal 11 (memory
| fault) produces an error. If argument is absent, all
| trap(s) n are reset to their original values. If argu-
| ment is the null string, this signal is ignored by the
| shell and by the commands it invokes. If n is 0, the
| command argument is executed on exit from the shell.
| The trap command with no arguments prints a list of
| commands associated with each signal number.
FWIW: a Fedora Core 3 GNU/Linux system appears to also do the right
thing with "trap 0 1 2 3 15"
Of course, it appears that an action of '-' SHOULD be accepted as it
is a part of the standard:
http://www.opengroup.org/onlinepubs/009695399/utilities/trap.html#tag_04_146
So, I will let you folks determine the fix to apply.
Thank you,
-- Mark
>
>
> 2006-01-25 Bruno Haible <address@hidden>
>
> * gnulib-tool (func_import): Use "trap :" instead of "trap -" to get
> rid of a trap command. For Solaris sh.
> Reported by Mark D. Baushke <address@hidden>.
>
> *** gnulib-tool 24 Jan 2006 19:18:45 -0000 1.104
> --- gnulib-tool 25 Jan 2006 14:19:32 -0000
> ***************
> *** 1176,1182 ****
> func_add_or_update
> done
> rm -rf "$tmp"
> ! trap - 0 1 2 3 15
>
> # Command-line invocation printed in a comment in generated
> gnulib-cache.m4.
> actioncmd="gnulib-tool --import"
> --- 1176,1182 ----
> func_add_or_update
> done
> rm -rf "$tmp"
> ! trap : 0 1 2 3 15
>
> # Command-line invocation printed in a comment in generated
> gnulib-cache.m4.
> actioncmd="gnulib-tool --import"
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