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From: "john.frankish at outlook dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/29938] New: glibc-2.36 fails to build with Os with
 undefined reference to strcpy
Date: Fri, 23 Dec 2022 12:52:31 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
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X-Bugzilla-Product: glibc
X-Bugzilla-Component: build
X-Bugzilla-Version: 2.36
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: john.frankish at outlook dot 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=3D29938

            Bug ID: 29938
           Summary: glibc-2.36 fails to build with Os with undefined
                    reference to strcpy
           Product: glibc
           Version: 2.36
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: build
          Assignee: unassigned at sourceware dot org
          Reporter: john.frankish at outlook dot com
                CC: carlos at redhat dot com
  Target Milestone: ---

glibc-2.36 fails to build with Os, but builds without error with O2.

Built using:

echo "rootsbindir=3D/usr/sbin" > configparms

CC=3D"gcc -mtune=3Dgeneric -Os -pipe" ../configure --prefix=3D/usr --disabl=
e-werror
--enable-kernel=3D5.4.3 --enable-stack-protector=3Dstrong
--with-headers=3D/usr/include libc_cv_slibdir=3D/lib --enable-obsolete-rpc
--libexecdir=3D/usr/lib/glibc

find . -name config.make -type f -exec sed -i 's/-g -O2//g' {} \;
find . -name config.status -type f -exec sed -i 's/-g -O2//g' {} \;
find ../ -name Makeconfig -type f -exec sed -i 's/-g -O2//g' {} \;

make

/usr/lib/gcc/x86_64-tc-linux-gnu/12.2.0/../../../../x86_64-tc-linux-gnu/bin=
/ld:
/sources/glibc-2.36/build/elf/librtld.os: in function `_dl_start_profile':
(.text+0x9587): undefined reference to `strcpy'
/usr/lib/gcc/x86_64-tc-linux-gnu/12.2.0/../../../../x86_64-tc-linux-gnu/bin=
/ld:
/sources/glibc-2.36/build/elf/librtld.os: in function `_dl_load_cache_looku=
p':
(.text+0xe5fd): undefined reference to `strcpy'
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:1346: /sources/glibc-2.36/build/elf/ld.so] Error 1

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