SConstruct (5398:9727ba4600de) SConstruct (5522:e56c3d89be79)
1# -*- mode:python -*-
2
3# Copyright (c) 2004-2005 The Regents of The University of Michigan
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met: redistributions of source code must retain the above copyright

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419# add the new swig scanner that we like better
420from SCons.Scanner import ClassicCPP as CPPScanner
421swig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")'
422scanners.append(CPPScanner("SwigScan", [ ".i" ], "CPPPATH", swig_inc_re))
423
424# replace the scanners list that has what we want
425env['SCANNERS'] = scanners
426
1# -*- mode:python -*-
2
3# Copyright (c) 2004-2005 The Regents of The University of Michigan
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met: redistributions of source code must retain the above copyright

--- 410 unchanged lines hidden (view full) ---

419# add the new swig scanner that we like better
420from SCons.Scanner import ClassicCPP as CPPScanner
421swig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")'
422scanners.append(CPPScanner("SwigScan", [ ".i" ], "CPPPATH", swig_inc_re))
423
424# replace the scanners list that has what we want
425env['SCANNERS'] = scanners
426
427# Add a custom Check function to the Configure context so that we can
428# figure out if the compiler adds leading underscores to global
429# variables. This is needed for the autogenerated asm files that we
430# use for embedding the python code.
431def CheckLeading(context):
432 context.Message("Checking for leading underscore in global variables...")
433 # 1) Define a global variable called x from asm so the C compiler
434 # won't change the symbol at all.
435 # 2) Declare that variable.
436 # 3) Use the variable
437 #
438 # If the compiler prepends an underscore, this will successfully
439 # link because the external symbol 'x' will be called '_x' which
440 # was defined by the asm statement. If the compiler does not
441 # prepend an underscore, this will not successfully link because
442 # '_x' will have been defined by assembly, while the C portion of
443 # the code will be trying to use 'x'
444 ret = context.TryLink('''
445 asm(".globl _x; _x: .byte 0");
446 extern int x;
447 int main() { return x; }
448 ''', extension=".c")
449 context.env.Append(LEADING_UNDERSCORE=ret)
450 context.Result(ret)
451 return ret
452
427# Platform-specific configuration. Note again that we assume that all
428# builds under a given build root run on the same host platform.
429conf = Configure(env,
430 conf_dir = joinpath(build_root, '.scons_config'),
453# Platform-specific configuration. Note again that we assume that all
454# builds under a given build root run on the same host platform.
455conf = Configure(env,
456 conf_dir = joinpath(build_root, '.scons_config'),
431 log_file = joinpath(build_root, 'scons_config.log'))
457 log_file = joinpath(build_root, 'scons_config.log'),
458 custom_tests = { 'CheckLeading' : CheckLeading })
432
459
460# Check for leading underscores. Don't really need to worry either
461# way so don't need to check the return code.
462conf.CheckLeading()
463
433# Check if we should compile a 64 bit binary on Mac OS X/Darwin
434try:
435 import platform
436 uname = platform.uname()
437 if uname[0] == 'Darwin' and compare_versions(uname[2], '9.0.0') >= 0:
438 if int(subprocess.Popen('sysctl -n hw.cpu64bit_capable', shell=True,
439 stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
440 close_fds=True).communicate()[0][0]):

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591 'Make floating-point results compatible with SimpleScalar',
592 False),
593 BoolOption('USE_SSE2',
594 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts',
595 False),
596 BoolOption('USE_MYSQL', 'Use MySQL for stats output', have_mysql),
597 BoolOption('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv),
598 BoolOption('USE_CHECKER', 'Use checker for detailed CPU models', False),
464# Check if we should compile a 64 bit binary on Mac OS X/Darwin
465try:
466 import platform
467 uname = platform.uname()
468 if uname[0] == 'Darwin' and compare_versions(uname[2], '9.0.0') >= 0:
469 if int(subprocess.Popen('sysctl -n hw.cpu64bit_capable', shell=True,
470 stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
471 close_fds=True).communicate()[0][0]):

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622 'Make floating-point results compatible with SimpleScalar',
623 False),
624 BoolOption('USE_SSE2',
625 'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts',
626 False),
627 BoolOption('USE_MYSQL', 'Use MySQL for stats output', have_mysql),
628 BoolOption('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv),
629 BoolOption('USE_CHECKER', 'Use checker for detailed CPU models', False),
599 ('PYTHONHOME',
600 'Override the default PYTHONHOME for this system (use with caution)',
601 '%s:%s' % (sys.prefix, sys.exec_prefix)),
602 )
603
604nonsticky_opts.AddOptions(
605 BoolOption('update_ref', 'Update test reference outputs', False)
606 )
607
608# These options get exported to #defines in config/*.hh (see src/SConscript).
609env.ExportOptions = ['FULL_SYSTEM', 'ALPHA_TLASER', 'USE_FENV', \
610 'USE_MYSQL', 'NO_FAST_ALLOC', 'FAST_ALLOC_DEBUG', \
611 'FAST_ALLOC_STATS', 'SS_COMPATIBLE_FP', \
630 )
631
632nonsticky_opts.AddOptions(
633 BoolOption('update_ref', 'Update test reference outputs', False)
634 )
635
636# These options get exported to #defines in config/*.hh (see src/SConscript).
637env.ExportOptions = ['FULL_SYSTEM', 'ALPHA_TLASER', 'USE_FENV', \
638 'USE_MYSQL', 'NO_FAST_ALLOC', 'FAST_ALLOC_DEBUG', \
639 'FAST_ALLOC_STATS', 'SS_COMPATIBLE_FP', \
612 'USE_CHECKER', 'PYTHONHOME', 'TARGET_ISA']
640 'USE_CHECKER', 'TARGET_ISA']
613
614# Define a handy 'no-op' action
615def no_action(target, source, env):
616 return 0
617
618env.NoAction = Action(no_action, None)
619
620###################################################

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642# Define a handy 'no-op' action
643def no_action(target, source, env):
644 return 0
645
646env.NoAction = Action(no_action, None)
647
648###################################################

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