"""SCons.Tool.ar

Tool-specific initialization for ar (library archive).

There normally shouldn't be any need to import this module directly.
It will usually be imported through the generic SCons.Tool.Tool()
selection method.

"""

#
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import SCons.Defaults
import SCons.Tool
import SCons.Util


def generate(env):
    """Add Builders and construction variables for ar to an Environment."""
    SCons.Tool.createStaticLibBuilder(env)

    env['AR']          = 'ar'
    env['ARFLAGS']     = SCons.Util.CLVar('rc')
    env['ARCOM']       = '$AR $ARFLAGS $TARGET $SOURCES'
    env['LIBPREFIX']   = 'lib'
    env['LIBSUFFIX']   = '.a'

    if env.get('RANLIB',env.Detect('ranlib')) :
        env['RANLIB']      = env.get('RANLIB','ranlib')
        env['RANLIBFLAGS'] = SCons.Util.CLVar('')
        env['RANLIBCOM']   = '$RANLIB $RANLIBFLAGS $TARGET'

def exists(env):
    return env.Detect('ar')

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