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Date: Thu, 14 Jul 2016 11:52:29 +0200
From: Jason Ramapuram <jason.ramapuram@...il.com>
To: musl@...ts.openwall.com
Cc: Jason Ramapuram <jason.ramapuram@...il.com>
Subject: Regarding whole-archive linking libc.a into a shared lib
Hello there,
Is it at all possible to link musl's libc.a statically into a shared lib?
After a lot of trying I either get relocation errors (when using musl-gcc
built on say centos7) as such (
http://stackoverflow.com/questions/38251344/musl-fails-to-link-libc-a-into-shared-library)
or hidden symbols not being defined like below (when using Alpine linux) :
/home/buildozer/aports/main/musll/src/musl-1.1.12/src/ldso/x86_64/tlsdesc.s:36:
undefined reference to `__tls_get_new'
/usr/lib/gcc/x86_64-alpine-linux-musl/5.3.0/../../../../x86_64-alpine-linux-musl/bin/ld:
tgt/Linux-x86_64/mylib/lib/mylib.so: hidden symbol `__tls_get_new’ isn't
defined
/usr/lib/gcc/x86_64-alpine-linux-musl/5.3.0/../../../../x86_64-alpine-linux-musl/bin/ld:
final link failed: Bad value
collect2: error: ld returned 1 exit status
Makefile:58: recipe for target ‘tgt/Linux-x86_64/mulib/lib/mylib.so’ failed
make: *** [tgt/Linux-x86_64/mylib/lib/mylib.so] Error 1
I understand this might conflict when someone tries to link against this
and libc.so from a binary, however would it be possible somehow to mangle
all the libc calls internally inside the shared lib? Is there a tool that
would be able to do this? It would be really nice to have a portable shared
lib that has libc built in.
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