SCons / src / engine / SCons / Tool / ldc.py

"""SCons.Tool.ldc

Tool-specific initialization for the LDC compiler.
(http://www.dsource.org/projects/ldc)

Coded by Russel Winder (russel@winder.org.uk)
2012-05-09

Compiler variables:
    DC - The name of the D compiler to use.  Defaults to ldc.
    DPATH - List of paths to search for import modules.
    DVERSIONS - List of version tags to enable when compiling.
    DDEBUG - List of debug tags to enable when compiling.

Linker related variables:
    LIBS - List of library files to link in.
    DLINK - Name of the linker to use.  Defaults to gcc.
    DLINKFLAGS - List of linker flags.

Lib tool variables:
    DLIB - Name of the lib tool to use.  Defaults to lib.
    DLIBFLAGS - List of flags to pass to the lib tool.
    LIBS - Same as for the linker. (libraries to pull into the .lib)
"""

#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# 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.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import os
import subprocess

import SCons.Action
import SCons.Builder
import SCons.Defaults
import SCons.Scanner.D
import SCons.Tool

# Adapted from c++.py
def isD(source):
    if not source:
        return 0

    for s in source:
        if s.sources:
            ext = os.path.splitext(str(s.sources[0]))[1]
            if ext == '.d':
                return 1
    return 0

def generate(env):

    static_obj, shared_obj = SCons.Tool.createObjBuilders(env)

    DAction = SCons.Action.Action('$DCOM', '$DCOMSTR')

    static_obj.add_action('.d', DAction)
    shared_obj.add_action('.d', DAction)
    static_obj.add_emitter('.d', SCons.Defaults.StaticObjectEmitter)
    shared_obj.add_emitter('.d', SCons.Defaults.SharedObjectEmitter)

    dc = env.Detect('ldc')
    env['DC'] = dc
    env['DCOM'] = '$DC $_DINCFLAGS $_DVERFLAGS $_DDEBUGFLAGS $_DFLAGS -c -of=$TARGET $SOURCES'
    env['_DINCFLAGS'] = '$( ${_concat(DINCPREFIX, DPATH, DINCSUFFIX, __env__, RDirs, TARGET, SOURCE)}  $)'
    env['_DVERFLAGS'] = '$( ${_concat(DVERPREFIX, DVERSIONS, DVERSUFFIX, __env__)}  $)'
    env['_DDEBUGFLAGS'] = '$( ${_concat(DDEBUGPREFIX, DDEBUG, DDEBUGSUFFIX, __env__)} $)'
    env['_DFLAGS'] = '$( ${_concat(DFLAGPREFIX, DFLAGS, DFLAGSUFFIX, __env__)} $)'

    env['DPATH'] = ['#/']
    env['DFLAGS'] = []
    env['DVERSIONS'] = []
    env['DDEBUG'] = []

    if dc:
        # Add the path to the standard library.
        # This is merely for the convenience of the dependency scanner.
        dmd_path = env.WhereIs(dc)
        if dmd_path:
            x = dmd_path.rindex(dc)
            phobosDir = dmd_path[:x] + '/../src/phobos'
            if os.path.isdir(phobosDir):
                env.Append(DPATH = [phobosDir])

    env['DINCPREFIX'] = '-I='
    env['DINCSUFFIX'] = ''
    env['DVERPREFIX'] = '-version='
    env['DVERSUFFIX'] = ''
    env['DDEBUGPREFIX'] = '-debug='
    env['DDEBUGSUFFIX'] = ''
    env['DFLAGPREFIX'] = '-'
    env['DFLAGSUFFIX'] = ''
    env['DFILESUFFIX'] = '.d'

    try :
        env['LIBS'].append ( [ '-lgphobos2' ] )
    except KeyError :
        env['LIBS'] = [ '-lgphobos2' , '-lpthread' , '-lrt' , '-lm' ]


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

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