That depends on what the Makefile does/how it was written. It might not be possible.
If your Makefile is reasonably “standard”, then this should work:
make CFLAGS="-g3 ..."
If it’s for C++:
make CXXFLAGS="-g3 ..."
That depends on what the Makefile does/how it was written. It might not be possible.
If your Makefile is reasonably “standard”, then this should work:
make CFLAGS="-g3 ..."
If it’s for C++:
make CXXFLAGS="-g3 ..."