"""SCons.Tool.sunlink

Tool-specific initialization for the Sun Solaris (Forte) 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 (c) 2001 - 2019 The SCons Foundation
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# permit persons to whom the Software is furnished to do so, subject to
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# The above copyright notice and this permission notice shall be included
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__revision__ = "src/engine/SCons/Tool/sunlink.py 3a41ed6b288cee8d085373ad7fa02894e1903864 2019-01-23 17:30:35 bdeegan"

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 d in dirs:
    linker = '/opt/' + d + '/bin/CC'
    if os.path.exists(linker):
        ccLinker = linker
        break

def generate(env):
    """Add Builders and construction variables for Forte to an Environment."""
    link.generate(env)
    
    env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -G')

    env['RPATHPREFIX'] = '-R'
    env['RPATHSUFFIX'] = ''
    env['_RPATH'] = '${_concat(RPATHPREFIX, RPATH, RPATHSUFFIX, __env__)}'

    # Support for versioned libraries
    link._setup_versioned_lib_variables(env, tool = 'sunlink', use_soname = True) 
    env['LINKCALLBACKS'] = link._versioned_lib_callbacks()

def exists(env):
    return ccLinker

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