Add ability to compile using newer version fo glibc w/o using new symbols#29594
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alexey-milovidov merged 1 commit intoClickHouse:masterfrom Oct 2, 2021
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Add ability to compile using newer version fo glibc w/o using new symbols#29594alexey-milovidov merged 1 commit intoClickHouse:masterfrom
alexey-milovidov merged 1 commit intoClickHouse:masterfrom
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Sep 30, 2021
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LGTM Also there is another way: build with |
…bols
In glibc 2.32 new version of some symbols had been added [1]:
$ nm -D clickhouse | fgrep -e @GLIBC_2.32
U pthread_getattr_np@GLIBC_2.32
U pthread_sigmask@GLIBC_2.32
[1]: https://www.spinics.net/lists/fedora-devel/msg273044.html
Right now ubuntu 20.04 is used as official image for building
ClickHouse, however once it will be switched someone may not be happy
with that fact that he/she cannot use official binaries anymore because
they have glibc < 2.32.
To avoid this dependency, let's force previous version of those
symbols from glibc.
Note, that I've tested this by compiling with glibc 2.32 and verifying
that output ELF does not have @GLIBC_2.32 symbols and also running that
binary inside ubuntu:20.04 image (that has glibc 2.31).
v1: -Wl,--wrap
v2: -Wl,--defsym
v3: -include
v4: fix versioning for aarch64
azat
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Indeed, but it is a little bit more complex approach :) |
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Jan 24, 2022
…bundled libc) This patch reverts glibc compatibility (via .symver) ClickHouse#29594, in favor of hermetic build (that provides bundled libc version) ClickHouse#30011 Signed-off-by: Azat Khuzhin <[email protected]>
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Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Add ability to compile using newer version fo glibc w/o using new symbols
Detailed description / Documentation draft:
In glibc 2.32 new version of some symbols had been added 1:
Right now ubuntu 20.04 is used as official image for building
ClickHouse, however once it will be switched someone may not be happy
with that fact that he/she cannot use official binaries anymore because
they have glibc < 2.32.
To avoid this dependency, let's force previous version of those
symbols from glibc.
Note, that I've tested this by compiling with glibc 2.32 and verifying
that output ELF does not have @GLIBC_2.32 symbols and also running that
binary inside ubuntu:20.04 image (that has glibc 2.31).
v1: -Wl,--wrap
v2: -Wl,--defsym
v3: -include
v4: fix versioning for aarch64