Mailinglist Archive: opensuse-factory (188 mails)

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Re: [opensuse-factory] LLVMgold vs. liblto_plugin for ar
On Sun, 16 Dec 2018, Werner LEMBERG wrote:


[I'm using leap 42.3, but I guess it's a generic question, so I'm
writing to this list.]

Folks,


is there any documentation that explains the differences, strengths,
advantages, etc., between the `LLVMgold.so' plugin for `ar' and
`liblto_plugin.so' from gcc?

On leap 42.3, a link to the former is installed by default in
`/usr/lib/bfd-plugins', while I have to create a link for the latter
if I want to use it (using ar's `--plugin' option, or removing the
link to `LLVMgold.so') – I guess this is still the case with
Tumbleweed...

Reason for my question is a crash in `LLVMgold.so', see

https://bugzilla.opensuse.org/show_bug.cgi?id=1117239
https://sourceware.org/bugzilla/show_bug.cgi?id=23928

To circumvent the issue I wonder whether it makes sense to simply
replace the plugin with gcc's version, but I can't find any background
information whether this is sensible...

Leap 45.0 has the GCC liblto_plugin.so in /usr/lib/bfd-plugins.

I guess the LLVM one is needed to inspect LLVM "lto" archives
and so is the GCC one for GCC lto archives.

Richard.

--
Richard Biener <rguenther@xxxxxxx>
SUSE LINUX GmbH, GF: Felix Imendoerffer, Jane Smithard, Graham Norton, HRB
21284 (AG Nuernberg)
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