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Message-ID: <20261022112350.4079511-1-mark.yang@lge.com>
Date: Thu, 22 Oct 2026 20:23:50 +0900
From: mark.yang@....com
To: Szabolcs Nagy <nsz@...t70.net>
Cc: musl@...ts.openwall.com,
"mark.yang" <mark.yang@....com>
Subject: Re: [PATCH] configure: add --sysconfdir for the dynamic linker path file
From: "mark.yang" <mark.yang@....com>
* Szabolcs Nagy <nsz@...t70.net> [2026-10-22 11:42:53 +0200]:
> why would you place ld.so in /usr/lib? that's an unusual setup.
> what are you trying to do?
This comes from OpenEmbedded (Yocto) with the usrmerge distro feature.
It is the distro default, not a test or isolation setup.
With usrmerge /lib is a symlink to usr/lib. The gcc recipe carries a
patch that takes the musl dynamic linker path from the system library
directory, /usr/lib there, so gcc writes /usr/lib/ld-musl-$ARCH.so.1
into PT_INTERP.
> changing ld.so path for testing, isolation or custom sysroot is
> fine, but then you would not use /usr/lib (nor any system wide
> abs path). you can also symlink /usr/etc/foo to /etc/foo
Understood. Other musl distros keep /lib/ld-musl-$ARCH.so.1 in
PT_INTERP even with a merged /usr. Please consider this patch
withdrawn.
Thanks for the explanation.
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