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Date: Wed, 11 Dec 2019 11:35:28 +0100
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com
Cc: Scherbatiy Alexander <alexander.scherbatiy@...l-sw.com>
Subject: Re: RTLD_LAZY deferred symbol binding
* Scherbatiy Alexander <alexander.scherbatiy@...l-sw.com> [2019-12-11 13:09:36 +0300]:
> # build sources
> gcc -c -fPIC src/resolved_impl.c -Iinclude -o bin/shared/resolved_impl.o
> gcc -c -fPIC src/shared_lib.c -Iinclude -o bin/shared/shared_lib.o
> gcc -shared bin/shared/shared_lib.o bin/shared/resolved_impl.o -Iinclude -o bin/shared/libshared_lib.so
^^^^^^^^^^^^^^^
you need to pass -Wl,-z,lazy (and verify it with readelf -d )
because alpine (and various other distros) defaults to -z now
(and then libc obviously cant do lazy binding no matter what
you specified in dlopen).
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