Date: Wed, 11 Dec 2019 14:55:48 +0300 From: Scherbatiy Alexander <alexander.scherbatiy@...l-sw.com> To: Szabolcs Nagy <nsz@...t70.net>, "musl@...ts.openwall.com" <musl@...ts.openwall.com> Subject: Re: RTLD_LAZY deferred symbol binding Thank you. It works. I looked at the ld help on linux Alpine and it shows > ld --help > -z lazy Mark object lazy runtime binding (default) Should the lazy option be used by default or the documentation needs to be updated? Thanks, Alexander. 11.12.2019, 13:35, "Szabolcs Nagy" <nsz@...t70.net>: > * 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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