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Date: Wed, 7 Nov 2018 20:02:01 -0500
From: Barry Flartus <>
Subject: Re: Problems with pthreads from a shared object?

On Wed, Nov 7, 2018 at 7:43 PM Rich Felker <> wrote:

> On Wed, Nov 07, 2018 at 06:53:33PM -0500, Barry Flartus wrote:
> > >
> > > OK. Can you run strace -f ./launch (or whatever the launch program
> > > executable is called) and post the output?
> > >
> > > Rich
> > >
The "launching" program was compiled with gcc:
gcc launch.c -ldl -o launch

When I attempt to compile the "launching" program with musl-gcc I get the
following output:
vagrant@...ntu-x64:~$ /usr/local/musl/x86_64/bin/musl-gcc launch.c -ldl -o
vagrant@...ntu-x64:~$ ./launch

Launching test...
Dynamic loading not supported

The shared object was compiled with musl-gcc:
/usr/local/musl/x86_64/bin/musl-gcc -Wall -lpthread -shared -fPIC test.c -o

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