Import("env") env.Append( CPPPATH=[ "#/lib/digital_signal", ], SDK_HEADERS=[ File("digital_signal.h"), ], ) libenv = env.Clone(FW_LIB_NAME="digital_signal") libenv.ApplyLibFlags() libenv.Append(CCFLAGS=["-O3", "-funroll-loops", "-Ofast"]) sources = libenv.GlobRecursive("*.c*") lib = libenv.StaticLibrary("${FW_LIB_NAME}", sources) libenv.Install("${LIB_DIST_DIR}", lib) Return("lib")