import sys Import('env') init_env = env.Clone() src = [ ] src_common = [ "shell.c" ] src.append(env["CRTBEGIN"]) src.append(src_common) src.append(env["CRTEND"]) init_env.Append(LINKFLAGS = ['-nostdlib']) init_env.Append(CPPFLAGS = ['-fno-builtin', '-nostdinc']) init_env.Append(CPPPATH = ['#build/include']) init_env.Append(LIBPATH = ['#build/lib/libc'], LIBS = ['c']) init_env.Program("shell", src)