generate_build.rb

#!/usr/bin/ruby

# Android build system is ugly. It uses its own complicated Make-based system,
# mixes C and C++ in the project.
# This script generates a simple script to build the Android tools.

def expand(dir, files)
	files.uniq.map{|f| File.join(dir,f)}
end

# Compile sources to *.o files. One *.o file per input.
# Returns array of *.o filenames
def compile(sources, cflags)
  outputs = []
  for s in sources
    ext = File.extname(s)
    
    case ext
    when '.c'
        cc = 'gcc'
    	lang_flags = '-std=c11'
    when '.cpp'
        cc = 'g++'
    	lang_flags = '-std=c++11'
    else
        raise "Unknown extension #{ext}"
    end

    output = s + '.o'
    outputs << output
    puts "#{cc} #{lang_flags} #{cflags} -o #{output} -c #{s}\n"
  end

  return outputs
end

# compiles and link
def link(output, objects, ldflags)
  puts "g++ #{ldflags} -o #{output} #{objects.join(' ')}"
end

libminicrypt = compile(Dir['core/libmincrypt/*.c'], '-Icore/include')
libmkbootimg = compile(['core/mkbootimg/mkbootimg.c'], '-Icore/include')
link('mkbootimg', libminicrypt + libmkbootimg, nil)



adbdfiles = %w(
  adb.cpp
  adb_auth.cpp
  adb_io.cpp
  adb_listeners.cpp
  adb_utils.cpp
  sockets.cpp
  transport.cpp
  transport_local.cpp
  transport_usb.cpp

  fdevent.cpp
  get_my_path_linux.cpp
  usb_linux.cpp

  adb_auth_host.cpp
)
libadbd = compile(expand('core/adb', adbdfiles), '-Icore/include -Icore/base/include -DADB_HOST=1 -fpermissive')

adbfiles = %w(
  adb_main.cpp
  console.cpp
  commandline.cpp
  adb_client.cpp
  services.cpp
  file_sync_client.cpp
)
libadb = compile(expand('core/adb', adbfiles), '-Icore/include -Icore/base/include -DADB_REVISION=\"5.1.1\" -D_GNU_SOURCE -DADB_HOST=1 -DWORKAROUND_BUG6558362 -fpermissive')

basefiles = %w(
  file.cpp
  stringprintf.cpp
  strings.cpp
)
libbase = compile(expand('core/base', basefiles), '-Icore/base/include -Icore/include -DADB_HOST=1')

logfiles = %w(
  logd_write.c
  log_event_write.c
  fake_log_device.c
)
liblog = compile(expand('core/liblog', logfiles), '-Icore/log/include -Icore/include -DLIBLOG_LOG_TAG=1005 -DFAKE_LOG_DEVICE=1 -D_GNU_SOURCE')


cutilsfiles = %w(
  load_file.c
  socket_inaddr_any_server.c
  socket_local_client.c
  socket_local_server.c
  socket_loopback_client.c
  socket_loopback_server.c
  socket_network_client.c
)
libcutils = compile(expand('core/libcutils', cutilsfiles), '-Icore/include -D_GNU_SOURCE')

link('adb', libbase + liblog + libcutils + libadbd + libadb, '-lrt -ldl -lpthread -lcrypto')