Re: libtool breaks if arg is explicit null string

[Alexandre Oliva]

On Jun 14, 2001, Robert Boehne <address@hidden> wrote:

> John Reiser wrote:
>> 
>> Robert Boehne wrote:
>> >
>> > John Reiser wrote:
>> > >
>> > > ltmain.sh (GNU libtool) 1.4 (1.920 2001/04/24 23:26:18)
>> > >
>> > > In --mode=execute, an explicit null string  ''  is not handled correctly
>> [snipped]
>> 
>> > Why are you trying to execute '' ?
>> 
>> The command line is
>> libtool --mode=execute myprog arg1 '' arg3
>> 
>> where the second argument to myprog is an explicit null string.
>> But libtool hangs ['sed' reading stdin] during the check for whether
>> the null string argument is the name of a library that libtool
>> must change to reflect uninstalled status or not.  The null
>> argument is the business of myprog.
>> 
>> In general, any "$file" containing shell metacharacters will cause
>> trouble because
>> sed -e 4q  $file  |  ...
>> forgot to quote   "$file" .
>> 

> OK, I see.  Do any of the maintainers have a problem with such
> a change?

Nope, this change is correct.  Feel free to install it.  Thanks for
the patch, John!

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  address@hidden, redhat.com}
CS PhD student at IC-Unicamp        address@hidden, gnu.org}
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