Test with Vacietis
==================

git clone --depth=1 git://git.savannah.gnu.org/emacs.git
cd ./emacs
./autogen.sh
./configure --without-all --without-json --without-x --without-libgmp
cd ..
cp ./ftoastr-test.c ./emacs/lib
./emacs.lisp ./emacs

Test with C compiler
====================

cd ./emacs
make -j
cd ./lib
cc -o ftoastr-test ftoastr-test.c libgnu.a
./ftoastr-test # => 0.1
echo $? # => 3