keep compatible for glibc 2.12 when build on ubuntu 22.04 #823
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gnodet
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Mar 23, 2023
…823) The modern glibc from 2.34 had two breaking changes: move all api in lib{pthread,dl,rt}.so into libc.so, new static start up code breaking the runtime compatibility for old glibc (<2.34). See https://developers.redhat.com/articles/2021/12/17/why-glibc-234-removed-libpthread for more info. This commit has 3 changes to overcome these changes: - override gcc path to redefine glibc symbols on the fly in the generated .o by graalvm when linking - provide a dynamic startup code to support both old and modern runtime glibc - add needed dynamic libraries: lib{pthread,rt,dl}.so.
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In issue #812 , the old method for keeping runtime compatibility of glibc 2.12 doesn't work when building against the modern glibc (>=2.34). #812 rollback to another combination: runtime glibc >= 2.17, build on ubuntu 20.04.
I think it could be possible to move to a better one: runtime glibc >= 2.12 and build on ubuntu 22.04 (glibc = 2.35).
PS: The output native image requires
pthread_setname_npapi, which first appeared in glibc 2.12, so this the least version for now.The text was updated successfully, but these errors were encountered: