<p>I'm having the exact same problem with both the PulseAudio and the ALSA plugin on Ubuntu with the build.linux64x64 squeak.cog.spur build.</p>
<p>Both self compiled and the binary releases of the plugins are not linked against the appropriate libraries, even when built with all the relevant headers and libraries available.</p>
<p>Looking at the plugin makefiles, it seems that the problem is that the plugin Makefile defines the link libraries in the (empty!) $LIBS define while autoconf puts them in the (unused) $PLIBS define.</p>
<p>If I hand edit the generated makefile so that it links using the right libraries, the plugin works correctly.</p>
<p>See attached for the generated Makefile with the PLIBS/LIBS error.<br>
<a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/files/3667916/Makefile.txt">Makefile.txt</a></p>
<p>I tried tracing through this to see where this error occurs, but the autoconf stuff was too complex for me.</p>

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