add Makefile
add Makefile

With the following targets:
all       - alias for 'release'
debug     - to build an executable with debugging symbols and warnings
release   - to build an stripped, optimized executable. Only default warnings
clean     - to remove files created by build (debug or release)
distclean - alias for 'clean'
install   - to build (if needed) and installing. Default prefix is /usr/local
uninstall - to remove files installed by install
sage for your changes. Lines starting

MestreLion/wavegain