Rework the way SCons recurses into subdirectories, making it
automatic. The point is that now a subdirectory can be added to the build process just by creating a SConscript file in it. The process has two passes. On the first pass, all subdirs of the root of the tree are searched for SConsopts files. These files contain any command line options that ought to be added for a particular subdirectory. On the second pass, all subdirs of the src directory are searched for SConscript files. These files describe how to build any given subdirectory. I have added a Source() function. Any file (relative to the directory in which the SConscript resides) passed to that function is added to the build. Clean up everything to take advantage of Source(). function is added to the list of files to be built. --HG-- extra : convert_revision : 103f6b490d2eb224436688c89cdc015211c4fd30
This commit is contained in:
Nathan Binkert
253
src/SConscript
253
src/SConscript
@@ -30,195 +30,27 @@
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import os
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import sys
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from os.path import isfile, join as joinpath
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from os.path import join as joinpath
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# This file defines how to build a particular configuration of M5
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# based on variable settings in the 'env' build environment.
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# Import build environment variable from SConstruct.
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Import('env')
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Import('*')
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###################################################
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#
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# Define needed sources.
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#
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###################################################
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sources = []
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def Source(*args):
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for arg in args:
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if isinstance(arg, (list, tuple)):
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# Recurse to load a list
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Source(*arg)
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elif isinstance(arg, str):
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sources.extend([ File(f) for f in Split(arg) ])
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else:
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sources.append(File(arg))
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# Base sources used by all configurations.
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base_sources = Split('''
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base/annotate.cc
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base/bigint.cc
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base/circlebuf.cc
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base/cprintf.cc
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base/fast_alloc.cc
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base/fifo_buffer.cc
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base/hostinfo.cc
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base/hybrid_pred.cc
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base/inifile.cc
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base/intmath.cc
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base/match.cc
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base/misc.cc
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base/output.cc
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base/pollevent.cc
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base/range.cc
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base/random.cc
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base/remote_gdb.cc
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base/sat_counter.cc
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base/socket.cc
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base/statistics.cc
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base/str.cc
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base/time.cc
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base/trace.cc
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base/traceflags.cc
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base/userinfo.cc
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base/compression/lzss_compression.cc
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base/loader/aout_object.cc
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base/loader/ecoff_object.cc
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base/loader/elf_object.cc
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base/loader/raw_object.cc
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base/loader/object_file.cc
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base/loader/symtab.cc
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base/stats/events.cc
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base/stats/output.cc
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base/stats/statdb.cc
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base/stats/visit.cc
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base/stats/text.cc
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cpu/activity.cc
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cpu/base.cc
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cpu/cpuevent.cc
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cpu/exetrace.cc
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cpu/func_unit.cc
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cpu/op_class.cc
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cpu/pc_event.cc
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cpu/quiesce_event.cc
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cpu/static_inst.cc
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cpu/simple_thread.cc
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cpu/thread_state.cc
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mem/bridge.cc
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mem/bus.cc
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mem/dram.cc
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mem/mem_object.cc
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mem/packet.cc
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mem/physical.cc
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mem/port.cc
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mem/tport.cc
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mem/cache/base_cache.cc
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mem/cache/cache.cc
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mem/cache/coherence/coherence_protocol.cc
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mem/cache/coherence/uni_coherence.cc
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mem/cache/miss/blocking_buffer.cc
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mem/cache/miss/miss_buffer.cc
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mem/cache/miss/miss_queue.cc
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mem/cache/miss/mshr.cc
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mem/cache/miss/mshr_queue.cc
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mem/cache/prefetch/base_prefetcher.cc
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mem/cache/prefetch/ghb_prefetcher.cc
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mem/cache/prefetch/stride_prefetcher.cc
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mem/cache/prefetch/tagged_prefetcher.cc
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mem/cache/tags/base_tags.cc
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mem/cache/tags/fa_lru.cc
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mem/cache/tags/iic.cc
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mem/cache/tags/lru.cc
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mem/cache/tags/repl/gen.cc
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mem/cache/tags/repl/repl.cc
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mem/cache/tags/split.cc
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mem/cache/tags/split_lifo.cc
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mem/cache/tags/split_lru.cc
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mem/cache/cache_builder.cc
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python/swig/init.cc
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python/swig/core_wrap.cc
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python/swig/debug_wrap.cc
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python/swig/event_wrap.cc
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python/swig/random_wrap.cc
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python/swig/sim_object_wrap.cc
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python/swig/stats_wrap.cc
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python/swig/trace_wrap.cc
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python/swig/pyevent.cc
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python/swig/pyobject.cc
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sim/async.cc
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sim/builder.cc
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sim/core.cc
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sim/debug.cc
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sim/eventq.cc
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sim/faults.cc
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sim/main.cc
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sim/param.cc
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sim/root.cc
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sim/serialize.cc
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sim/sim_events.cc
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sim/sim_object.cc
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sim/simulate.cc
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sim/startup.cc
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sim/stat_control.cc
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sim/system.cc
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''')
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trace_reader_sources = Split('''
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cpu/trace/reader/mem_trace_reader.cc
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cpu/trace/reader/ibm_reader.cc
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cpu/trace/reader/itx_reader.cc
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cpu/trace/reader/m5_reader.cc
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cpu/trace/opt_cpu.cc
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cpu/trace/trace_cpu.cc
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''')
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# MySql sources
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mysql_sources = Split('''
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base/mysql.cc
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base/stats/mysql.cc
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''')
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# Full-system sources
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full_system_sources = Split('''
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base/crc.cc
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base/inet.cc
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cpu/intr_control.cc
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cpu/profile.cc
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dev/uart.cc
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dev/uart8250.cc
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mem/vport.cc
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sim/pseudo_inst.cc
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''')
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#dev/sinic.cc
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#dev/i8254xGBe.cc
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if env['TARGET_ISA'] == 'alpha':
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full_system_sources += Split('''
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kern/tru64/dump_mbuf.cc
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kern/tru64/printf.cc
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kern/tru64/tru64_events.cc
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kern/tru64/tru64_syscalls.cc
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''')
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# Syscall emulation (non-full-system) sources
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syscall_emulation_sources = Split('''
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mem/translating_port.cc
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mem/page_table.cc
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sim/process.cc
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sim/syscall_emul.cc
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''')
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#if env['TARGET_ISA'] == 'alpha':
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# syscall_emulation_sources += Split('''
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# kern/tru64/tru64.cc
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# ''')
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memtest_sources = Split('''
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cpu/memtest/memtest.cc
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''')
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Export('env')
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Export('Source')
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# Include file paths are rooted in this directory. SCons will
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# automatically expand '.' to refer to both the source directory and
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@@ -229,52 +61,23 @@ env.Append(CPPPATH=Dir('.'))
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# Add a flag defining what THE_ISA should be for all compilation
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env.Append(CPPDEFINES=[('THE_ISA','%s_ISA' % env['TARGET_ISA'].upper())])
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arch_sources = SConscript(os.path.join('arch', 'SConscript'), exports = 'env')
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cpu_sources = SConscript(os.path.join('cpu', 'SConscript'), exports = 'env')
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if env['FULL_SYSTEM']:
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dev_sources = SConscript(os.path.join('dev', 'SConscript'),
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exports = 'env')
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full_system_sources += dev_sources
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kern_sources = SConscript(os.path.join('kern', 'SConscript'),
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exports = 'env')
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full_system_sources += kern_sources
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# Set up complete list of sources based on configuration.
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sources = base_sources + arch_sources + cpu_sources
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# encumbered should be last because we're adding to some of the other groups
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if isfile(joinpath(env['SRCDIR'], 'encumbered/SConscript')):
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sources += SConscript('encumbered/SConscript', exports = 'env')
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if env['FULL_SYSTEM']:
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sources += full_system_sources
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else:
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sources += syscall_emulation_sources
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if env['USE_MYSQL']:
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sources += mysql_sources
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# Walk the tree and execute all SConscripts
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scripts = []
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srcdir = env['SRCDIR']
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for root, dirs, files in os.walk(srcdir, topdown=True):
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if root == srcdir:
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# we don't want to recurse back into this SConscript
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continue
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if 'SConscript' in files:
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# strip off the srcdir part since scons will try to find the
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# script in the build directory
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base = root[len(srcdir) + 1:]
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SConscript(joinpath(base, 'SConscript'))
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for opt in env.ExportOptions:
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env.ConfigFile(opt)
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###################################################
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#
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# Special build rules.
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#
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###################################################
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# base/traceflags.{cc,hh} are generated from base/traceflags.py.
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# $TARGET.base will expand to "<build-dir>/base/traceflags".
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env.Command(Split('base/traceflags.hh base/traceflags.cc'),
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'base/traceflags.py',
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'python $SOURCE $TARGET.base')
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SConscript('python/SConscript', exports = ['env'])
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# This function adds the specified sources to the given build
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# environment, and returns a list of all the corresponding SCons
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# Object nodes (including an extra one for date.cc). We explicitly
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