SConstruct (9740:101441a7b420) SConstruct (9812:9265bcff11b7)
1# -*- mode:python -*-
2
1# -*- mode:python -*-
2
3# Copyright (c) 2013 ARM Limited
4# All rights reserved.
5#
6# The license below extends only to copyright in the software and shall
7# not be construed as granting a license to any other intellectual
8# property including but not limited to intellectual property relating
9# to a hardware implementation of the functionality of the software
10# licensed hereunder. You may use the software subject to the license
11# terms below provided that you ensure that this notice is replicated
12# unmodified and in its entirety in all distributions of the software,
13# modified or unmodified, in source code or in binary form.
14#
3# Copyright (c) 2011 Advanced Micro Devices, Inc.
4# Copyright (c) 2009 The Hewlett-Packard Development Company
5# Copyright (c) 2004-2005 The Regents of The University of Michigan
6# All rights reserved.
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions are
10# met: redistributions of source code must retain the above copyright

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76 EnsureSConsVersion(0, 98, 1)
77except SystemExit, e:
78 print """
79For more details, see:
80 http://gem5.org/Dependencies
81"""
82 raise
83
15# Copyright (c) 2011 Advanced Micro Devices, Inc.
16# Copyright (c) 2009 The Hewlett-Packard Development Company
17# Copyright (c) 2004-2005 The Regents of The University of Michigan
18# All rights reserved.
19#
20# Redistribution and use in source and binary forms, with or without
21# modification, are permitted provided that the following conditions are
22# met: redistributions of source code must retain the above copyright

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88 EnsureSConsVersion(0, 98, 1)
89except SystemExit, e:
90 print """
91For more details, see:
92 http://gem5.org/Dependencies
93"""
94 raise
95
84# We ensure the python version early because we have stuff that
85# requires python 2.4
96# We ensure the python version early because because python-config
97# requires python 2.5
86try:
98try:
87 EnsurePythonVersion(2, 4)
99 EnsurePythonVersion(2, 5)
88except SystemExit, e:
89 print """
90You can use a non-default installation of the Python interpreter by
100except SystemExit, e:
101 print """
102You can use a non-default installation of the Python interpreter by
91either (1) rearranging your PATH so that scons finds the non-default
92'python' first or (2) explicitly invoking an alternative interpreter
93on the scons script.
103rearranging your PATH so that scons finds the non-default 'python' and
104'python-config' first.
94
95For more details, see:
96 http://gem5.org/wiki/index.php/Using_a_non-default_Python_installation
97"""
98 raise
99
100# Global Python includes
101import os

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822 self.env = env
823 def Finish(self):
824 return self.env
825 def __getattr__(self, mname):
826 return NullCheck
827
828 conf = NullConf(main)
829
105
106For more details, see:
107 http://gem5.org/wiki/index.php/Using_a_non-default_Python_installation
108"""
109 raise
110
111# Global Python includes
112import os

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833 self.env = env
834 def Finish(self):
835 return self.env
836 def __getattr__(self, mname):
837 return NullCheck
838
839 conf = NullConf(main)
840
830# Find Python include and library directories for embedding the
831# interpreter. For consistency, we will use the same Python
832# installation used to run scons (and thus this script). If you want
833# to link in an alternate version, see above for instructions on how
834# to invoke scons with a different copy of the Python interpreter.
835from distutils import sysconfig
836
837py_getvar = sysconfig.get_config_var
838
839py_debug = getattr(sys, 'pydebug', False)
840py_version = 'python' + py_getvar('VERSION') + (py_debug and "_d" or "")
841
842py_general_include = sysconfig.get_python_inc()
843py_platform_include = sysconfig.get_python_inc(plat_specific=True)
844py_includes = [ py_general_include ]
845if py_platform_include != py_general_include:
846 py_includes.append(py_platform_include)
847
848py_lib_path = [ py_getvar('LIBDIR') ]
849# add the prefix/lib/pythonX.Y/config dir, but only if there is no
850# shared library in prefix/lib/.
851if not py_getvar('Py_ENABLE_SHARED'):
852 py_lib_path.append(py_getvar('LIBPL'))
853 # Python requires the flags in LINKFORSHARED to be added the
854 # linker flags when linking with a statically with Python. Failing
855 # to do so can lead to errors from the Python's dynamic module
856 # loader at start up.
857 main.Append(LINKFLAGS=[py_getvar('LINKFORSHARED').split()])
858
859py_libs = []
860for lib in py_getvar('LIBS').split() + py_getvar('SYSLIBS').split():
861 if not lib.startswith('-l'):
862 # Python requires some special flags to link (e.g. -framework
863 # common on OS X systems), assume appending preserves order
864 main.Append(LINKFLAGS=[lib])
865 else:
866 lib = lib[2:]
867 if lib not in py_libs:
868 py_libs.append(lib)
869py_libs.append(py_version)
870
871main.Append(CPPPATH=py_includes)
872main.Append(LIBPATH=py_lib_path)
873
874# Cache build files in the supplied directory.
875if main['M5_BUILD_CACHE']:
876 print 'Using build cache located at', main['M5_BUILD_CACHE']
877 CacheDir(main['M5_BUILD_CACHE'])
878
841# Cache build files in the supplied directory.
842if main['M5_BUILD_CACHE']:
843 print 'Using build cache located at', main['M5_BUILD_CACHE']
844 CacheDir(main['M5_BUILD_CACHE'])
845
846# Find Python include and library directories for embedding the
847# interpreter. We rely on python-config to resolve the appropriate
848# includes and linker flags. ParseConfig does not seem to understand
849# the more exotic linker flags such as -Xlinker and -export-dynamic so
850# we add them explicitly below. If you want to link in an alternate
851# version of python, see above for instructions on how to invoke
852# scons with the appropriate PATH set.
853py_includes = readCommand(['python-config', '--includes'],
854 exception='').split()
855# Strip the -I from the include folders before adding them to the
856# CPPPATH
857main.Append(CPPPATH=map(lambda inc: inc[2:], py_includes))
879
858
859# Read the linker flags and split them into libraries and other link
860# flags. The libraries are added later through the call the CheckLib.
861py_ld_flags = readCommand(['python-config', '--ldflags'], exception='').split()
862py_libs = []
863for lib in py_ld_flags:
864 if not lib.startswith('-l'):
865 main.Append(LINKFLAGS=[lib])
866 else:
867 lib = lib[2:]
868 if lib not in py_libs:
869 py_libs.append(lib)
870
880# verify that this stuff works
881if not conf.CheckHeader('Python.h', '<>'):
882 print "Error: can't find Python.h header in", py_includes
883 print "Install Python headers (package python-dev on Ubuntu and RedHat)"
884 Exit(1)
885
886for lib in py_libs:
887 if not conf.CheckLib(lib):

--- 381 unchanged lines hidden --- 		871# verify that this stuff works
872if not conf.CheckHeader('Python.h', '<>'):
873 print "Error: can't find Python.h header in", py_includes
874 print "Install Python headers (package python-dev on Ubuntu and RedHat)"
875 Exit(1)
876
877for lib in py_libs:
878 if not conf.CheckLib(lib):

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