README should include information on how to produce libsbcl.so for example library

[notmgsk]

Requires compiling SBCL

0. cd sbcl-src
1. sh make.sh
2. sh make-shared-library.sh

Then need to set LD_LIBRARY_PATH=/path/to/sbcl-src/src/runtime when compiling the executable. When running the executable, LD_LIBRARY_PATH=/path/to/sbcl-librian/example:/path/to/sbcl-src/src/runtime.

[karlosz]

I guess eventually the idea is that the shared library will ship in the right location with everything else in the binary distribution. Until that happens, you need the shared library from source or to link your C program directly with libsbcl.a.