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bug#58163: coreutils instalation failure x86_64

From: Paul Eggert
Subject: bug#58163: coreutils instalation failure x86_64
Date: Sat, 1 Oct 2022 15:26:14 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0

Thanks for sending the extra data. Oh, I see you are running GCC 5.4. You have run into a GCC bug that I just now filed here:


This bug was in GCC 5 and is still present in GCC 12.

To work around the GCC bug, please use './configure --disable-gcc-warnings' instead of plain './configure'. Or (and this may be simpler) please use the latest coreutils release from <https://ftp.gnu.org/gnu/coreutils/> rather than trying to bootstrap. Another possibility is to upgrade to GCC 7 (2017) or later, as these GCC versions have __builtin_sub_overflow which means the code in question will not be compiled.

I doubt whether we should modify Gnulib or coreutils to work around the GCC bug, as we expect developers who are bootstrapping to use up-to-date tools and GCC 6 is not up-to-date. I'm therefore closing the coreutils bug report.

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