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From: "linzhuorong at huawei dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/29835] Error compiling glibc multilib with
 --enable-static-pie option turned on
Date: Wed, 07 Dec 2022 12:50:39 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29835

lin zhuorong <linzhuorong at huawei dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|INVALID                     |---

--- Comment #8 from lin zhuorong <linzhuorong at huawei dot com> ---
(In reply to Fangrui Song from comment #3)
> How do you configure your build?
>=20
>=20
> mkdir -p out/arm && cd out/arm
> ../../configure --prefix=3D/tmp/glibc/arm --host=3Darm-linux-gnueabihf
> --enable-static-pie --enable-hardcoded-path-in-tests
> make -j 60  # good
>=20
> % grep pie_supported config.log
> libc_cv_pie_supported=3Dyes
> libc_cv_static_pie_supported=3Dno
>=20
> Note that sysdeps/arm/configure.ac doesn't say
> `AC_DEFINE(SUPPORT_STATIC_PIE)`, so I think static-pie for sysdeps/arm is
> unsupported.
>=20
>=20
> % cat a.c
> const char *foo (void)
> {
>   extern const char _DYNAMIC[] __attribute__((visibility("hidden")));
>   return _DYNAMIC;
> }
> % arm-linux-gnueabihf-gcc -fpic  -nostdlib -static-pie a.c
> # good. Both -shared and -pie have .dynamic and define _DYNAMIC

What version of gcc are you using?

I used gcc 10.3.0 to compile the above a.c and also got the error undefined
reference to '_DYNAMIC'

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