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I am trying to build webrtc on CentOS7. I was able to install all the webrtc required dependency I am facing an issue where gn(meta-build system that generate Ninja Files) complains that it cannot find GLIBC_2.18. I am following the build instructions from here (https://webrtc.org/native-code/development/) and getting this error on generating ninja build files stage.

Stacktrace of the Error:

$ gn gen out/debug-x64 "--args=enable_iterator_debugging=false is_component_build=false"

webrtc-checkout/src/buildtools/linux64/gn: /lib64/libc.so.6: version `GLIBC_2.18' not found (required by webrtc-checkout/src/buildtools/linux64/gn)

Any pointers on how I can resolve this without upgrading the glibc version. I did a grep on libc.so.6 to find the glibc versions supported :

$ strings /lib64/libc.so.6 | grep GLIBC
GLIBC_2.2.5
GLIBC_2.2.6
GLIBC_2.3
GLIBC_2.3.2
GLIBC_2.3.3
GLIBC_2.3.4
GLIBC_2.4
GLIBC_2.5
GLIBC_2.6
GLIBC_2.7
GLIBC_2.8
GLIBC_2.9
GLIBC_2.10
GLIBC_2.11
GLIBC_2.12
GLIBC_2.13
GLIBC_2.14
GLIBC_2.15
GLIBC_2.16
GLIBC_2.17
Umang Mukesh Mehta
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2 Answers2

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webrtc-checkout/src/buildtools/linux64/gn: /lib64/libc.so.6: version 'GLIBC_2.18' not found

This error means that gn has been built on a GLIBC-2.18 (or later) system, and requires GLIBC-2.18 to run.

Any pointers on how I can resolve this without upgrading the glibc version

You can build gn from source on your system.

Alternatively, you may be able to install glibc-2.18 or above as a second glibc, without upgrading the "main" glibc. This answer provides details.

Employed Russian
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Seems like it was a bug in chromium buildtools which was resolved (https://chromium-review.googlesource.com/c/chromium/buildtools/+/595110). I was able to update and it fixed my issue.

Umang Mukesh Mehta
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