Bug 862993 – [guru] net-misc/bee-1.0.0_alpha4-r1 fails to compile (lto): undefined reference to rocksdb_get_pinned_cf

• Product: GURU
• Status: RESOLVED FIXED

[Description Agostino Sarubbo 2022-08-02 10:28:40 UTC]

https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/

Issue: net-misc/bee-1.0.0_alpha4-r1 fails to compile (lto).
Discovered on: amd64 (internal ref: guru_tinderbox)

NOTE:
This machine uses lto with CFLAGS=-flto -Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing

Here is a bit of explanation:

-Werror=lto-type-mismatch:
User to find possible runtime issues in packages. It likely means the package is unsafe to build & use with LTO.
For projects using the same identifier but with different types across different files, they must be fixed to be consistent across the codebase.

-Werror=odr:
Used to find possible runtime issues in packages. These bugs are a problem anyway but may be even worse when combined with LTO. C++ code must comply with the One Definition Rule (ODR) - see https://en.cppreference.com/w/cpp/language/definition#One_Definition_Rule.

-Werror=strict-aliasing:
Used to find possible runtime issues in packages. These bugs are a problem anyway but may be even worse when combined with LTO.

Workarounds:
- If upstream is friendly and still active, file a bug upstream. For emulators, codecs, games, or multimedia packages, it may be worth just applying a workaround instead, as upstreams sometimes aren't receptive to these bugs (VALID FOR ALL).
- Use the new 'filter-lto' from flag-o-matic.eclass as it's likely to be unsafe with LTO (VALID FOR lto-type-mismatch - odr).
- Fix it yourself if interested, of course (VALID FOR ALL).
- Append-flags -fno-strict-aliasing (VALID FOR strict-aliasing).
- Use memcpy() but a union is sometimes suitable too (VALID FOR strict-aliasing).
- -fstrict-aliasing is implied by -O2, so this must be addressed in some form (VALID FOR strict-aliasing).

See also: https://marc.info/?l=gentoo-dev&m=165639574126280&w=2

[Comment 1 Agostino Sarubbo 2022-08-02 10:28:43 UTC]

Created attachment 796843 [details]
build.log

build log and emerge --info

[Comment 2 Larry the Git Cow 2023-03-08 09:08:21 UTC]

The bug has been closed via the following commit(s):

https://gitweb.gentoo.org/repo/proj/guru.git/commit/?id=265bac23e3ab47f0a2d101e7c4d965d6fe505579

commit 265bac23e3ab47f0a2d101e7c4d965d6fe505579
Author:     Anna (cybertailor) Vyalkova <[e-mail]>
AuthorDate: 2023-03-06 19:56:32 +0000
Commit:     Anna (cybertailor) Vyalkova <[e-mail]>
CommitDate: 2023-03-06 19:56:32 +0000

    net-misc/bee: treeclean
    
    Closes: https://bugs.gentoo.org/843542
    Closes: https://bugs.gentoo.org/862993
    Signed-off-by: Anna (cybertailor) Vyalkova <[e-mail]>

 net-misc/bee/Manifest                              | 500 -------------------
 net-misc/bee/bee-0.3.1-r1.ebuild                   | 487 -------------------
 net-misc/bee/bee-1.0.0_alpha4-r1.ebuild            | 539 ---------------------
 .../bee/files/bee-1.0.0_alpha4-no-download.patch   |  61 ---
 net-misc/bee/files/bee-alphanet.service            |  21 -
 net-misc/bee/files/bee-mainnet.service             |  21 -
 net-misc/bee/metadata.xml                          |  40 --
 profiles/package.mask                              |   1 -
 8 files changed, 1670 deletions(-)