${filcc}/bin/clang -O2 -I${libffi.dev}/include ${./libffi.c} \

-L${libffi}/lib -Wl,-rpath,${libffi}/lib -lffi -o check

./check

for optimization in -O0 -O2; do

${filcc}/bin/clang++ $optimization -I${libffi.dev}/include ${./libffi-unwind.cc} \

-L${libffi}/lib -Wl,-rpath,${libffi}/lib -lffi -o unwind

./unwind

done

touch $out