# -*- mode: python -*-
# Copyright 2008, Google Inc.
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#
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# modification, are permitted provided that the following conditions are
# met:
#
#    * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
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# in the documentation and/or other materials provided with the
# distribution.
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# this software without specific prior written permission.
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# TODO(keunwoo): This file is a temporary shim while we debug problems
# with SConscript.main under Linux.  We'll merge this back into
# SConscript.main someday.

import os
import shutil
import sys


Import('PLATFORM')


# Base -------------------------------------------------------------------

base_env = Environment(
    BUILD_TYPE = ARGUMENTS.get('BUILD_TYPE', 'Hammer'),
    TARGET_ROOT = '#/$BUILD_TYPE',
    OBJ_ROOT = '$TARGET_ROOT',

    THIRD_PARTY_DIR       = '#/../third_party',
    BSDIFF_DIR            = '$THIRD_PARTY_DIR/bsdiff',
    BSPATCH_DIR           = '$THIRD_PARTY_DIR/bspatch',
    BZIP2_DIR             = '$THIRD_PARTY_DIR/bzip2',
    ICU38_DIR             = '$THIRD_PARTY_DIR/icu38',
    LIBJPEG_DIR           = '$THIRD_PARTY_DIR/libjpeg',
    LIBPNG_DIR            = '$THIRD_PARTY_DIR/libpng',
    # TODO(keunwoo): Port over other third_party packages.
    ZLIB_DIR              = '$THIRD_PARTY_DIR/zlib',

    PYTHON=sys.executable,

    )


# Place the .sconsign.dblite in the build directory.
target_dir = base_env.Dir('$TARGET_ROOT')
if not os.path.exists(target_dir.abspath):
  Execute(Mkdir(target_dir))
SConsignFile(target_dir.File('.sconsign').abspath)


# Use timestamps change, followed by MD5 for speed
base_env.Decider('MD5-timestamp')


# All platforms ----------------------------------------------------------

sconscript_and_target_subdirs = [
   ('$BSDIFF_DIR', 'third_party/bsdiff'),
   ('$BSPATCH_DIR', 'third_party/bspatch'),
   ('$BZIP2_DIR', 'third_party/bzip2'),
   ('$ICU38_DIR', 'third_party/icu38'),
   ('$LIBJPEG_DIR', 'third_party/libjpeg'),
   ('$LIBPNG_DIR', 'third_party/libpng'),
   # TODO(keunwoo): Port over other third_party packages.
   ('$ZLIB_DIR', 'third_party/zlib'),
   ]

env = base_env.Clone()

for sconscript_dir, target_subdir in sconscript_and_target_subdirs:
  env.SConscript(os.path.join(sconscript_dir, 'SConscript'),
                 exports=['env', 'PLATFORM'],
                 variant_dir=os.path.join('$TARGET_ROOT', target_subdir),
                 duplicate=0
                 )