Hi Orion,

There are two ways to remove the debugging symbols:

1) strip --strip-debug your_library.so

2) objcopy --strip-debug your_library.so

Below is an example of both approaches:

1) Method using strip:

paul$ objdump --syms libfoo.so | grep debug
0000000000000000 l    d  .debug_aranges 0000000000000000
 .debug_aranges
0000000000000000 l    d  .debug_info    0000000000000000
 .debug_info
0000000000000000 l    d  .debug_abbrev  0000000000000000
 .debug_abbrev
0000000000000000 l    d  .debug_line    0000000000000000
 .debug_line
0000000000000000 l    d  .debug_str     0000000000000000
 .debug_str
paul$ strip --strip-debug libfoo.so
paul$ objdump --syms libfoo.so | grep debug
paul$

2) Method using objdump:

paul$ objdump --syms libfoo.so | grep debug
0000000000000000 l    d  .debug_aranges 0000000000000000
 .debug_aranges
0000000000000000 l    d  .debug_info    0000000000000000
 .debug_info
0000000000000000 l    d  .debug_abbrev  0000000000000000
 .debug_abbrev
0000000000000000 l    d  .debug_line    0000000000000000
 .debug_line
0000000000000000 l    d  .debug_str     0000000000000000
 .debug_str
paul$ objcopy --strip-debug libfoo.so
paul$ objdump --syms libfoo.so | grep debug
paul$

Are there other symbols you are looking to strip?

Hope it helps,
Paul

On Fri, Jun 2, 2023 at 12:11 AM Orion Poplawski <or...@nwra.com> wrote:

> I'm trying to resolve this packaging issue with Lmod:
>
> https://artifacts.dev.testing-farm.io/4d7bee41-8d21-42fb-8c57-e5ffbf58119f/
>
> debuginfo
> BAD /usr/share/lmod/8.7.25/lib/tcl2lua.so in Lmod-8.7.25-2.fc38 on i686
> contains debugging symbols
>
> I've dealt with a couple of issues here:
>
> https://src.fedoraproject.org/rpms/Lmod/pull-request/2
>
> but despite all of my attempts the library does not appear to get stripped.
>
> In fact:
>
> ]$ strip -g
>
> /home/orion/BUILDROOT/Lmod-8.7.25-3.fc39.x86_64/usr/lib64/lmod/tcl2lua.so.1.0.1
>
> $ file
>
> /home/orion/BUILDROOT/Lmod-8.7.25-3.fc39.x86_64/usr/lib64/lmod/tcl2lua.so.1.0.1
> /home/orion/BUILDROOT/Lmod-8.7.25-3.fc39.x86_64/usr/lib64/lmod/tcl2lua.so.1.0.1:
>
> ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically
> linked, BuildID[sha1]=aa1ea44979190d0cf530d350f8151ffafeab0f36, not
> stripped
>
> ?
>
>
> --
> Orion Poplawski
> he/him/his  - surely the least important thing about me
> IT Systems Manager                         720-772-5637
> NWRA, Boulder/CoRA Office             FAX: 303-415-9702
> 3380 Mitchell Lane                       or...@nwra.com
> Boulder, CO 80301                 https://www.nwra.com/
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