If a compiler can be found at this directory while Live++ is running, then there should be no problem spawning it. You can take a look at what happens underneath by opening the log file. The Broker UI ...
Under Termux, running $ cmake -B build -DGGML_CURL=OFF -DGGML_BLAS=ON -DGGML_BLAS_VENDOR=OpenBLAS wrongly detects the OpenBLAS includes path as /data/data/com.termux ...