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Date:	Thu, 17 Dec 2009 04:51:15 -0500
From:	Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm>
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Subject:	Re: libtool: link: warning
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Dave Korn wrote:
> Marco Atzeri wrote:
> 
>> not sure but I suspect 
>> -----------------------------------------------------------
>>   lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
>> BEGIN {RS=" "; FS="/|\n";} {
>>   lt_foo="";
>>   lt_count=0;
>>   for (lt_i = NF; lt_i > 0; lt_i--) {
>>     if ($lt_i != "" && $lt_i != ".") {
>>       if ($lt_i == "..") {
>>         lt_count++;
>>       } else {
>>         if (lt_count == 0) {
>>           lt_foo="/" $lt_i lt_foo;
>>         } else {
>>           lt_count--;
>>         }
>>       }
>>     }
>>   }
>>   if (lt_foo != "") { lt_freq[[lt_foo]]++; }
>>   if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
>> }'`
>> ------------------------------------------------
> 
>   Is that the original m4 file, or how it gets expanded in the generated
> configure script?

When  *I* build it, the configure script has this:
  if (lt_foo != "") { lt_freq[lt_foo]++; }
  if (lt_freq[lt_foo] == 1) { print lt_foo; }
because the snippet above /is/ from the original .m4 file. I'm not an
awk expert, but it looks ok to me.

>> on
>>   
>> if (lt_foo != "") { lt_freq[[lt_foo]]++; }
>> if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
>>
>> awk states sintax error due to double [
> 
>   Yeah, it would.  That's some sort of changequote problem.

Only if Marco's configure script looks like the .m4 and actually still
has double-[.

--
Chuck


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