Ping: [Patch] Make libstdc++'s abi_check more robust against readelf output format

[Jonathan Wakely]

On 2 June 2011 08:55, Simon Baldwin wrote:
>> Index: libstdc++-v3/scripts/extract_symvers.in
>> ===================================================================
>> --- libstdc++-v3/scripts/extract_symvers.in     (revision 173951)
>> +++ libstdc++-v3/scripts/extract_symvers.in     (working copy)
>> @@ -52,6 +52,9 @@ SunOS)
>>   ${readelf} ${lib} |\
>>   sed -e 's/ \[<other>: [A-Fa-f0-9]*\] //' -e '/\.dynsym/,/^$/p;d' |\
>>   egrep -v ' (LOCAL|UND) ' |\
>> +  sed -e 's/ <processor specific>: / <processor_specific>:_/g' |\
>> +  sed -e 's/ <OS specific>: / <OS_specific>:_/g' |\
>> +  sed -e 's/ <unknown>: / <unknown>:_/g' |\

Is there a reason to use three sed processes instead of one?
We already assume "sed -e script -e script" works earlier in that pipeline.

We could even replace the egrep with a sed 'd' command and combine it
all into a single sed, but that could be left for another day.