[OE-core] [PATCH v3] elfutils: add PACKAGECONFIG for compression algorithms

[Ross Burton]

On 29/10/2019 20:18, Adrian Bunk wrote:
> On Wed, Oct 16, 2019 at 08:44:56AM +1000, Dan Callaghan wrote:
>> Elfutils has optional support for bzip2 and xz (lzma). It uses
>> this for decompressing embedded ELF sections like the .gnu_debugdata
>> section for "mini debuginfo":
>>
>> https://sourceware.org/gdb/onlinedocs/gdb/MiniDebugInfo.html
>> ...
>> +PACKAGECONFIG ??= "bzip2"
>> +PACKAGECONFIG[bzip2] = "--with-bzlib,--without-bzlib,${DEPENDS_BZIP2}"
>> +PACKAGECONFIG[xz] = "--with-lzma,--without-lzma,xz"
>> ...
> 
> Is any tooling actually doing this compression by default?
> 
> It is a bit surprising that this has the mostly-obsolete bzip2 enabled
> by default but not the more common (and better compressing) xz.

Exactly.

Ross