| Summary: | >=sys-devel/gcc-3.4.3 on IA64 should use system libunwind.so from sys-libs/libunwind, sys-libs/libunwind should install shared libraries for native ABI in /lib | ||
|---|---|---|---|
| Product: | Gentoo Linux | Reporter: | Arfrever Frehtes Taifersar Arahesis <arfrever.fta> |
| Component: | Current packages | Assignee: | Gentoo Toolchain Maintainers <toolchain> |
| Status: | CONFIRMED --- | ||
| Severity: | normal | CC: | alexander, esigra, ia64, matoro_gentoo, sam |
| Priority: | Normal | ||
| Version: | unspecified | ||
| Hardware: | IA64 | ||
| OS: | All | ||
| See Also: | https://bugs.gentoo.org/show_bug.cgi?id=667020 | ||
| Whiteboard: | |||
| Package list: | Runtime testing required: | --- | |
| Bug Depends on: | 693250 | ||
| Bug Blocks: | 251464 | ||
| Attachments: | Patch | ||
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Description
Arfrever Frehtes Taifersar Arahesis
2019-09-01 02:18:26 UTC
Created attachment 588620 [details, diff] Patch This patch applies after patch from bug #693250. Before testing this patch, it is NECESSARY to apply patch for sys-devel/gcc-config from bug #667020. Otherwise gcc-config would delete libunwind.so required by newly built GCC. The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/proj/gcc-config.git/commit/?id=17c4c852f979668387b1b965d48470cb730df5b6 commit 17c4c852f979668387b1b965d48470cb730df5b6 Author: Sergei Trofimovich <slyfox@gentoo.org> AuthorDate: 2019-09-04 18:59:31 +0000 Commit: Sergei Trofimovich <slyfox@gentoo.org> CommitDate: 2019-09-04 18:59:31 +0000 gcc-config: clarify why libunwind.so* is needed at all Bug: https://bugs.gentoo.org/667020 Bug: https://bugs.gentoo.org/693252 Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org> gcc-config | 5 +++++ 1 file changed, 5 insertions(+) At least
# EXTRA_ECONF=--with-system-libunwind emerge -v1 gcc
yields gcc with desired properties.
libunwind gets into a fun state when it's a dependency of itself.
$ lddtree /usr/lib/libunwind.so.8
/usr/lib/libunwind.so.8 (interpreter => None)
libc.so.6.1 => /lib/libc.so.6.1
ld-linux-ia64.so.2 => /lib/ld-linux-ia64.so.2
libgcc_s.so.1 => /usr/lib/gcc/ia64-unknown-linux-gnu/9.2.0/libgcc_s.so.1
libunwind.so.8 => /usr/lib/libunwind.so.8
libgcc_s.so.1 => !!! circular loop !!!
Which should be fine at least on glibc.
python and emerge still works to be able to fix the world. I did not notice any critical binaries or libraries in stage3.
The details are a bit messy: preserved-libs does not keep libunwind.so.7 and instantly breaks most (every?) c++ application like eix.
Full list of silently broken packages on a random ~arch chroot where a bunch of packages present:
# qfile $(fgrep -Rl libunwind.so.7 /usr/bin /usr/lib 2>/dev/null) | awk '{print $1}' | sort -u
app-arch/brotli:
app-crypt/gpgme:
app-misc/sphinx:
app-portage/eix:
app-text/hunspell:
app-text/openjade:
app-text/opensp:
app-text/poppler:
app-text/qpdf:
dev-lang/swig:
dev-libs/boehm-gc:
dev-libs/boost:
dev-libs/efl:
dev-libs/gmp:
dev-libs/icu:
dev-libs/libical:
dev-libs/libpcre:
dev-libs/libsass:
dev-libs/re2:
dev-python/subunit:
dev-util/cmake:
dev-util/colm:
dev-util/cppunit:
dev-util/gperf:
dev-util/ragel:
dev-util/re2c:
media-gfx/graphite2:
media-libs/flac:
media-libs/mesa:
media-libs/woff2:
net-libs/gnutls:
net-libs/libproxy:
net-libs/nghttp2:
net-libs/webkit-gtk:
net-print/cups:
sys-apps/groff:
sys-auth/polkit:
sys-libs/db:
sys-libs/ncurses:
Full list of to be broken packages on a real full stable ia64 system:
slyfox@guppy ~ $ qfile $(sudo fgrep -Rl libunwind.so.7 /bin /sbin /usr/bin /usr/sbin /lib /usr/lib 2>/dev/null) | awk '{print $1}' | sort -u
app-editors/emacs
app-portage/eix
dev-libs/gmp
dev-libs/libpcre
dev-util/cmake
dev-util/gperf
dev-util/ninja
dev-util/re2c
net-libs/gnutls
sys-apps/groff
sys-apps/smartmontools
sys-devel/gcc
sys-devel/gettext
sys-libs/db
sys-libs/ncurses
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