grub-emu fails to build from source on 32-bit PowerPC due to PKS support
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Description
Trying to build GRUB on 32-bit PowerPC fails when build with `--with-platform=emu` with:
```
/usr/bin/ld: appendedsig.module: in function `grub_mod_init':
/home/glaubitz/grub/grub-core/commands/appendedsig/appendedsig.c:1615:(.text+0x2ab4):
undefined reference to `grub_pks_get_keystore'
/usr/bin/ld: appendedsig.module: in function `create_dbs_from_pks':
/home/glaubitz/grub/grub-core/commands/appendedsig/appendedsig.c:1400:(.text+0x2c3c):
undefined reference to `grub_pks_free_data'
collect2: error: ld returned 1 exit status
```
See this upstream report here: https://lists.gnu.org/archive/html/grub-devel/2026-02/msg00077.html
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the upstream GRUB report linked in the issue and reproduce the `--with-platform=emu` build on 32-bit PowerPC. Trace the missing `grub_pks_get_keystore` and `grub_pks_free_data` references from `grub-core/commands/appendedsig/appendedsig.c`; done means the emu build links successfully.
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Assessment
- Tech stack
- c
- Domain
- build-system, operating-systems
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100