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# -*- python -*-
import subprocess
from SCons.Script import *
def cpuCount():
"""Return the number of available cores."""
try:
# The multiprocessing module was introduced in Python 2.6. It has been
# backported 2.5 and 2.4 and is included in some distributions of these.
import multiprocessing
return multiprocessing.cpu_count()
except:
return 1
# Set the number of concurrent jobs to the number of available cores.
SetOption('num_jobs', cpuCount())
mode = ARGUMENTS.get('mode', 'release')
serial = Environment(CPPPATH='..')
if serial['CXX'] == 'g++':
if mode == 'release':
# Increase the inline limit from 600 to 6000.
serial.AppendUnique(CCFLAGS=['-O3', '-funroll-loops',
'-fstrict-aliasing',
'-finline-limit=6000'])
elif mode == 'debug':
serial.AppendUnique(CCFLAGS=['-g', '-DDEBUG_stlib'])
else:
print('Error: Expected "debug" or "release" for the mode argument, '\
'found: "' + mode + '".')
Exit(1)
# Warnings. I don't use the pedantic flag because it will break code that
# uses long long.
serial.AppendUnique(CCFLAGS=['-ansi', '-Wall', '-Wextra',
'-Wstrict-aliasing=2', '-Wno-unknown-pragmas'])
# Use the rt library on linux, but not on darwin or windows.
if serial['PLATFORM'] == 'posix':
serial.AppendUnique(LIBS=['rt'])
# We need this to compile the implicit tau-leaping solvers for PPC
# architectures.
serial.AppendUnique(CCFLAGS=['-DEIGEN_DONT_VECTORIZE'])
# Architectures.
uname = os.uname()
if uname[0] == 'Darwin':
# Snow Leopard is 10.x.x. It only supports Intel architectures.
if int(uname[2].split('.')[0]) >= 10:
arch = ['-arch', 'i386', '-arch', 'x86_64']
else:
# Leopard may run on either Power PC or Intel architectures.
arch = ['-arch', 'i386', '-arch', 'x86_64', '-arch', 'ppc',
'-arch', 'ppc64']
serial.Append(CCFLAGS=arch, LINKFLAGS=arch)
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