157 lines
4.8 KiB
Python
157 lines
4.8 KiB
Python
import sys
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import os
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import shutil
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import multiprocessing
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import SCons.Util
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## Configuration
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opts = Variables('Local.sc')
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opts.AddVariables(
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("CC", "C Compiler"),
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("CXX", "C++ Compiler"),
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("AS", "Assembler"),
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("LINK", "Linker"),
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("BUILDTYPE", "Build type (RELEASE, DEBUG, or PERF)", "RELEASE"),
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("VERBOSE", "Show full build information (0 or 1)", "0"),
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("NUMCPUS", "Number of CPUs to use for build (0 means auto).", "0"),
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("WITH_GPROF", "Include gprof profiling (0 or 1).", "0"),
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("PREFIX", "Installation target directory.", "#pxelinux"),
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("ARCH", "Target Architecture", "amd64")
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)
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env = Environment(options = opts,
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tools = ['default'],
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ENV = os.environ)
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Help(opts.GenerateHelpText(env))
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# Copy environment variables
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if os.environ.has_key('CC'):
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env["CC"] = os.getenv('CC')
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if os.environ.has_key('CXX'):
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env["CXX"] = os.getenv('CXX')
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if os.environ.has_key('AS'):
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env["AS"] = os.getenv('AS')
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if os.environ.has_key('LD'):
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env["LINK"] = os.getenv('LD')
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if os.environ.has_key('CFLAGS'):
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env.Append(CCFLAGS = SCons.Util.CLVar(os.environ['CFLAGS']))
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if os.environ.has_key('CPPFLAGS'):
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env.Append(CPPFLAGS = SCons.Util.CLVar(os.environ['CPPFLAGS']))
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if os.environ.has_key('CXXFLAGS'):
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env.Append(CXXFLAGS = SCons.Util.CLVar(os.environ['CXXFLAGS']))
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if os.environ.has_key('LDFLAGS'):
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env.Append(LINKFLAGS = SCons.Util.CLVar(os.environ['LDFLAGS']))
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#env.Append(CPPFLAGS = [ "-Wall", "-Wformat=2", "-Wextra", "-Wwrite-strings",
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# "-Wno-unused-parameter", "-Wmissing-format-attribute",
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# "-Werror" ])
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#env.Append(CFLAGS = [ "-Wmissing-prototypes", "-Wmissing-declarations",
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# "-Wshadow", "-Wbad-function-cast", "-Werror" ])
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#env.Append(CXXFLAGS = [ "-Wno-non-template-friend", "-Woverloaded-virtual",
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# "-Wcast-qual", "-Wcast-align", "-Wconversion",
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# "-Weffc++", "-std=c++0x", "-Werror" ])
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if env["WITH_GPROF"] == "1":
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env.Append(CPPFLAGS = [ "-pg" ])
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env.Append(LINKFLAGS = [ "-pg" ])
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if env["BUILDTYPE"] == "DEBUG":
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env.Append(CPPFLAGS = [ "-g", "-DDEBUG", "-Wall",
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"-Wno-deprecated-declarations" ])
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env.Append(LINKFLAGS = [ "-g", "-rdynamic" ])
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elif env["BUILDTYPE"] == "PERF":
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env.Append(CPPFLAGS = [ "-g", "-DNDEBUG", "-Wall", "-O2"])
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env.Append(LDFLAGS = [ "-g", "-rdynamic" ])
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elif env["BUILDTYPE"] == "RELEASE":
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env.Append(CPPFLAGS = ["-DNDEBUG", "-Wall", "-O2"])
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else:
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print "Error BUILDTYPE must be RELEASE or DEBUG"
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sys.exit(-1)
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if env["ARCH"] != "amd64":
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print "Unsupported architecture: " + env["ARCH"]
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sys.exit(-1)
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try:
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hf = open(".git/HEAD", 'r')
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head = hf.read()
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if head.startswith("ref: "):
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if head.endswith("\n"):
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head = head[0:-1]
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with open(".git/" + head[5:]) as bf:
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branch = bf.read()
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if branch.endswith("\n"):
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branch = branch[0:-1]
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env.Append(CPPFLAGS = [ "-DGIT_VERSION=\\\"" + branch + "\\\""])
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except IOError:
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pass
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if env["VERBOSE"] == "0":
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env["CCCOMSTR"] = "Compiling $SOURCE"
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env["CXXCOMSTR"] = "Compiling $SOURCE"
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env["SHCCCOMSTR"] = "Compiling $SOURCE"
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env["SHCXXCOMSTR"] = "Compiling $SOURCE"
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env["ARCOMSTR"] = "Creating library $TARGET"
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env["RANLIBCOMSTR"] = "Indexing library $TARGET"
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env["LINKCOMSTR"] = "Linking $TARGET"
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def GetNumCPUs(env):
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if env["NUMCPUS"] != "0":
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return int(env["NUMCPUS"])
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return 2*multiprocessing.cpu_count()
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env.SetOption('num_jobs', GetNumCPUs(env))
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def CopyTree(dst, src, env):
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def DirCopyHelper(src, dst):
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for f in os.listdir(src):
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srcPath = os.path.join(src, f)
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dstPath = os.path.join(dst, f)
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if os.path.isdir(srcPath):
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if not os.path.exists(dstPath):
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os.makedirs(dstPath)
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DirCopyHelper(srcPath, dstPath)
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else:
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env.Command(dstPath, srcPath, Copy("$TARGET", "$SOURCE"))
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if (not os.path.exists(dst)):
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os.makedirs(dst)
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DirCopyHelper(src, dst)
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# XXX: Hack to support clang static analyzer
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def CheckFailed():
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if os.getenv('CCC_ANALYZER_OUTPUT_FORMAT') != None:
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return
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Exit(1)
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# Configuration
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conf = env.Configure()
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if not conf.CheckCC():
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print 'Your C compiler and/or environment is incorrectly configured.'
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CheckFailed()
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if not conf.CheckCXX():
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print 'Your C++ compiler and/or environment is incorrectly configured.'
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CheckFailed()
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conf.Finish()
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Export('env')
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# Debugging Tools
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# Create include tree
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CopyTree('build/include', 'include', env)
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CopyTree('build/include/sys', 'sys/include', env)
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CopyTree('build/include/machine', 'sys/' + env['ARCH'] + '/include', env)
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# Build Targets
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SConscript('sys/SConscript', variant_dir='build/sys')
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# Install Targets
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env.Install('$PREFIX/','build/sys/castor')
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env.Alias('install','$PREFIX')
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