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Bug 685358 - Support building sys-devel/gcc-4.9.4 with sys-libs/glibc-2.28
Summary: Support building sys-devel/gcc-4.9.4 with sys-libs/glibc-2.28
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Toolchain Maintainers
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Reported: 2019-05-08 13:19 UTC by Hans F. Nordhaug
Modified: 2019-06-01 10:55 UTC (History)
1 user (show)

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Description Hans F. Nordhaug 2019-05-08 13:19:02 UTC 
It seems Glibc 2.28 removed sys/ustat.h and hence libsanitize in GCC 4.9.4 fails compiling. If I disable the sanitize USE flag, GCC 4.9.4 builds with Glibc 2.28.

There is a patch in the buildroot project that we might use - see https://github.com/buildroot/buildroot/commit/6b33b7ba517bee4d88af9b1827201df923b4a600 I didn't have time to test now.

I know that GCC 4.9.4 is old, but until it is removed, it should build with the default use flags IMHO.
Comment 1 Sergei Trofimovich (RETIRED) gentoo-dev 2019-05-08 20:41:40 UTC 
Backporting the change makes sense if simple. I suggest using USE=-sanitizer meanwhile.