# -*- coding: utf-8 -*-
# SConstrunct for dtl test

import os

def path_chomp(path):
    if path[-1] == '/':
        return path[:-1]
    return path

if not 'GTEST_ROOT' in os.environ:
    print "set environment variable 'GTEST_ROOT'"
    Exit(1)

gtest_root = path_chomp(os.environ['GTEST_ROOT'])
if gtest_root[-1] == '/':
    gtest_root     = gtest_root[:-1]

gtest_includes = gtest_root + '/include'
gtest_libs     = gtest_root + '/lib/.libs'

flags    = ['-Wall', '-O2']
libs     = ['stdc++', 'pthread']
includes = ['..', gtest_includes]
target   = 'dtl_test'

env  = Environment(CPPFLAGS=flags,
                   CPPPATH=includes,
                   LIBPATH=[gtest_libs],
                   )

conf = Configure(env);

if not conf.CheckCXX():
    print "c++ compiler is not installed!"
    Exit(1)

for lib in libs:
    if not conf.CheckLib(lib):
        print "library " + lib + " not installed!"
        Exit(1)

conf.Finish()

test = env.Program(target,
                   [Glob('*.cpp'), gtest_libs + '/libgtest.a']
                   )

test_alias = env.Alias('check',
                       test,
                       test[0].abspath)

env.AlwaysBuild(test_alias)