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From: "mmatti at linux dot vnet.ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/31629] New: powerpc64: Configuring with
 "--with-cpu=power10" and 'CFLAGS=-O2 -mcpu=power9' fails to build glibc
Date: Wed, 10 Apr 2024 17:10:25 +0000
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X-Bugzilla-Type: new
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X-Bugzilla-Product: glibc
X-Bugzilla-Component: build
X-Bugzilla-Version: 2.40
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X-Bugzilla-Severity: critical
X-Bugzilla-Who: mmatti at linux dot vnet.ibm.com
X-Bugzilla-Status: UNCONFIRMED
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X-Bugzilla-Priority: P2
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31629

            Bug ID: 31629
           Summary: powerpc64: Configuring with "--with-cpu=3Dpower10" and
                    'CFLAGS=3D-O2 -mcpu=3Dpower9' fails to build glibc
           Product: glibc
           Version: 2.40
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: build
          Assignee: unassigned at sourceware dot org
          Reporter: mmatti at linux dot vnet.ibm.com
                CC: carlos at redhat dot com
  Target Milestone: ---

Attempting to build a glibc POWER10 multilib, fails with the following error

/glibc_prestine/new_build/linkobj/libc_pic.a(acct.os): in function `acct':
(.text+0x64): call to `__syscall_error' lacks nop, can't restore toc; (toc
save/adjust stub)
/usr/bin/ld: final link failed: bad value
collect2: error: ld returned 1 exit status
make[1]: *** [Makerules:656: /glibc_prestine/new_build/linkobj/libc.so] Err=
or 1
make[1]: Leaving directory '/glibc_prestine/glibc'
make: *** [Makefile:9: all] Error 2

How to reproduce :

$ ./configure 'CFLAGS=3D-O2 -mcpu=3Dpower9' --prefix=3D/usr
--with-headers=3D/usr/include --build=3Dppc64le-linux --with-cpu=3Dpower10
$ make

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