fceux/src/SConscript

file_list = Split("""
asm.cpp
cart.cpp
cheat.cpp
crc32.cpp
config.cpp
debug.cpp
endian.cpp
fceu.cpp
fds.cpp
file.cpp 
filter.cpp 
general.cpp
ines.cpp
input.cpp
md5.cpp
memory.cpp
netplay.cpp
nsf.cpp
palette.cpp
ppu.cpp
sound.cpp
state.cpp
unif.cpp
video.cpp
vsuni.cpp
wave.cpp
x6502.cpp
xstring.cpp
movie.cpp
unzip.c""")

subdirs = Split("""
boards
drivers/common
drivers/sdl
fir
input
mappers""")
#palettes

for dir in subdirs:
  subdir_files = SConscript('%s/SConscript' % dir)
  file_list.append(subdir_files)

Import('env')

print env['LINKFLAGS']

env.Program('fceu', file_list)