# Copyright 2018 Google, Inc.
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# Authors: Gabe Black

Import('*')

from m5.util import compareVersions
from m5.util.terminal import termcap

def use_systemc_check(env, warn=False):
    if ('GCC_VERSION' in env and
            compareVersions(env['GCC_VERSION'], '5.0') < 0):
        if warn:
            print(termcap.Yellow + termcap.Bold +
                  'Warning: Systemc may not work on gcc versions less '
                  'than 5.0.' + termcap.Normal)
        return False
    elif env['PLATFORM'] == 'darwin':
        if warn:
            print(termcap.Yellow + termcap.Bold +
                  'Warning: Systemc may not work on Mac OS.' + termcap.Normal)
        return False
    return True

main.AddMethod(use_systemc_check, 'UseSystemcCheck')

sticky_vars.AddVariables(
    BoolVariable('USE_SYSTEMC', 'Enable SystemC API support',
                 main.UseSystemcCheck())
    )

export_vars.append('USE_SYSTEMC')