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[Bug build/19484] New: x86_64 build fails: ifunc-impl-list.c:50: undefined reference to `__memmove_chk_avx512_no_vzeroupper'


https://sourceware.org/bugzilla/show_bug.cgi?id=19484

            Bug ID: 19484
           Summary: x86_64 build fails: ifunc-impl-list.c:50: undefined
                    reference to `__memmove_chk_avx512_no_vzeroupper'
           Product: glibc
           Version: 2.23
            Status: NEW
          Severity: normal
          Priority: P2
         Component: build
          Assignee: unassigned at sourceware dot org
          Reporter: mariusz at foo dot wtf
                CC: carlos at redhat dot com
  Target Milestone: ---

Created attachment 8907
  --> https://sourceware.org/bugzilla/attachment.cgi?id=8907&action=edit
config.log

using current git(master) 214a44f3949624623bd9f5ced82a47915259324e:


mariusz@chuck:~/repos/glibc-build$ ../glibc/configure
--prefix=/home/mariusz/repos/glibc-install/
mariusz@chuck:~/repos/glibc-build$ make
...
/home/mariusz/repos/glibc-build/libc_pic.os: In function
`__libc_ifunc_impl_list':
/home/mariusz/repos/glibc/misc/../sysdeps/x86_64/multiarch/ifunc-impl-list.c:50:
undefined reference to `__memmove_chk_avx512_no_vzeroupper'
/usr/bin/ld: /home/mariusz/repos/glibc-build/libc_pic.os: relocation
R_X86_64_PC32 against undefined hidden symbol
`__memmove_chk_avx512_no_vzeroupper' can not be used when making a shared
object

I enclose my proposal fixes.

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