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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/31429] New: Glibc failed to build with -march=x86-64-v3
Date: Wed, 28 Feb 2024 17:06:10 +0000
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X-Bugzilla-Version: 2.40
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31429

            Bug ID: 31429
           Summary: Glibc failed to build with -march=3Dx86-64-v3
           Product: glibc
           Version: 2.40
            Status: NEW
          Severity: normal
          Priority: P2
         Component: build
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
                CC: carlos at redhat dot com
  Target Milestone: ---
            Target: x86-64

With

commit 0aac205a814a8511e98d02b91a8dc908f1c53cde
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Feb 26 06:37:03 2024 -0800

    x86: Update _dl_tlsdesc_dynamic to preserve caller-saved registers

glibc failed to build with -march=3Dx86-64-v3:

/usr/local/bin/ld:
/export/build/gnu/tools-build/glibc-test/build-x86_64-linux/elf/librtld.os:=
 in
function `init_cpu_features':
/export/gnu/import/git/sources/glibc/elf/../sysdeps/x86/cpu-features.c:1149=
:(.text+0x1436f):
undefined reference to `_dl_runtime_resolve_fxsave'
/usr/local/bin/ld:
/export/build/gnu/tools-build/glibc-test/build-x86_64-linux/elf/librtld.os:
relocation R_X86_64_PC32 against undefined hidden symbol
`_dl_runtime_resolve_fxsave' can not be used when making a shared object
/usr/local/bin/ld: final link failed: bad value
collect2: error: ld returned 1 exit status
make[4]: *** [Makefile:1336:
/export/build/gnu/tools-build/glibc-test/build-x86_64-linux/elf/ld.so] Erro=
r 1

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