"""SCons.Tool.hplink

Tool-specific initialization for the HP linker.

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.
"""

#
# __COPYRIGHT__
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# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import os
import os.path

import SCons.Util

from . import link

ccLinker = None

# search for the acc compiler and linker front end

try:
    dirs = os.listdir('/opt')
except (IOError, OSError):
    # Not being able to read the directory because it doesn't exist
    # (IOError) or isn't readable (OSError) is okay.
    dirs = []

for dir in dirs:
    linker = '/opt/' + dir + '/bin/aCC'
    if os.path.exists(linker):
        ccLinker = linker
        break

def generate(env):
    """
    Add Builders and construction variables for Visual Age linker to
    an Environment.
    """
    link.generate(env)
    
    env['LINKFLAGS']   = SCons.Util.CLVar('-Wl,+s -Wl,+vnocompatwarnings')
    env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -b')
    env['SHLIBSUFFIX'] = '.sl'

def exists(env):
    return ccLinker

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