set +e rm -rf /tmp/udf/libbitand.so /tmp/udf/libsqrsum.so mkdir -p /tmp/udf echo "compile udf bit_and and sqr_sum" gcc -fPIC -shared bit_and.c -o /tmp/udf/libbitand.so gcc -fPIC -shared sqr_sum.c -o /tmp/udf/libsqrsum.so echo "debug show /tmp/udf/*.so" ls /tmp/udf/*.so
