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Bug 701876 - dev-libs/elfutils-0.178 does not provide libebl for dev-util/dwarves
Summary: dev-libs/elfutils-0.178 does not provide libebl for dev-util/dwarves
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Matthias Schwarzott
URL:
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Keywords:
Depends on:
Blocks:
 
Reported: 2019-12-03 10:49 UTC by Jason A. Donenfeld
Modified: 2020-02-13 21:13 UTC (History)
1 user (show)

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Description Jason A. Donenfeld gentoo-dev 2019-12-03 10:49:30 UTC 
dev-util/dwarves requires the libebl that <=dev-libs/elfutils-0.177 were providing. 0.178 stopped shipping it. I've made https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=79e3104f280697c5bc4a82be366dcfeb2d8a8660 as a stop-gap solution until either dwarves or elfutils is patched.

Reproducible: Always
Comment 1 Sergei Trofimovich (RETIRED) gentoo-dev 2019-12-03 23:49:25 UTC 
Starting from 0.178 libebl is a part of libdw library:
    https://sourceware.org/git/?p=elfutils.git;a=commitdiff;h=b833c731359af12af9f16bcb621b3cdc170eafbc

dwarves will have to adapt unless elfutils also merged libraries incorrectly.
Comment 2 Sergei Trofimovich (RETIRED) gentoo-dev 2019-12-03 23:57:15 UTC 
Upstream's cmake should not be hard to tweak to check actually needed symbols instead of check library presence:
    https://git.kernel.org/pub/scm/devel/pahole/pahole.git/tree/cmake/modules/FindDWARF.cmake#n40
Comment 3 Matthias Schwarzott gentoo-dev 2020-02-13 20:03:59 UTC 
Jason A. Donenfeld resolved this issue in commit 4580d02134f001d96c73d15ac51f6abc4d0f50dd / dwarves-1.16-r1.

The added patch was meanwhile also applied in upstream git.
Comment 4 Sergei Trofimovich (RETIRED) gentoo-dev 2020-02-13 21:13:51 UTC 
Posting upstream patch here for posterity:
    https://git.kernel.org/pub/scm/devel/pahole/pahole.git/commit/cmake/modules/FindDWARF.cmake?id=de84ae36c7388f8d124fbe39b8073ab72021ad48