198 lines
6.9 KiB
Python
198 lines
6.9 KiB
Python
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import sys, os.path
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def rsplit(toSplit, sub, max=-1):
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""" str.rsplit seems to have been introduced in 2.4 :( """
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l = []
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i = 0
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while i != max:
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try: idx = toSplit.rindex(sub)
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except ValueError: break
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toSplit, splitOff = toSplit[:idx], toSplit[idx + len(sub):]
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l.insert(0, splitOff)
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i += 1
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l.insert(0, toSplit)
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return l
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sconsDir = os.path.join("build", "scons")
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SConscript(os.path.join(sconsDir, "SConscript_common"))
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Import("Platform", "Posix", "ApiVer")
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# SConscript_opts exports PortAudio options
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optsDict = SConscript(os.path.join(sconsDir, "SConscript_opts"))
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optionsCache = os.path.join(sconsDir, "options.cache") # Save options between runs in this cache
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options = Options(optionsCache, args=ARGUMENTS)
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for k in ("Installation Dirs", "Build Targets", "Host APIs", "Build Parameters", "Bindings"):
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options.AddOptions(*optsDict[k])
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# Propagate options into environment
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env = Environment(options=options)
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# Save options for next run
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options.Save(optionsCache, env)
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# Generate help text for options
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env.Help(options.GenerateHelpText(env))
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buildDir = os.path.join("#", sconsDir, env["PLATFORM"])
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# Determine parameters to build tools
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if Platform in Posix:
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threadCFlags = ''
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if Platform != 'darwin':
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threadCFlags = "-pthread "
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baseLinkFlags = threadCFlags
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baseCxxFlags = baseCFlags = "-Wall -pedantic -pipe " + threadCFlags
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debugCxxFlags = debugCFlags = "-g"
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optCxxFlags = optCFlags = "-O2"
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env.Append(CCFLAGS = baseCFlags)
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env.Append(CXXFLAGS = baseCxxFlags)
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env.Append(LINKFLAGS = baseLinkFlags)
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if env["enableDebug"]:
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env.AppendUnique(CCFLAGS=debugCFlags.split())
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env.AppendUnique(CXXFLAGS=debugCxxFlags.split())
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if env["enableOptimize"]:
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env.AppendUnique(CCFLAGS=optCFlags.split())
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env.AppendUnique(CXXFLAGS=optCxxFlags.split())
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if not env["enableAsserts"]:
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env.AppendUnique(CPPDEFINES=["-DNDEBUG"])
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if env["customCFlags"]:
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env.Append(CCFLAGS=Split(env["customCFlags"]))
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if env["customCxxFlags"]:
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env.Append(CXXFLAGS=Split(env["customCxxFlags"]))
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if env["customLinkFlags"]:
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env.Append(LINKFLAGS=Split(env["customLinkFlags"]))
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env.Append(CPPPATH=[os.path.join("#", "include"), "common"])
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# Store all signatures in one file, otherwise .sconsign files will get installed along with our own files
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env.SConsignFile(os.path.join(sconsDir, ".sconsign"))
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env.SConscriptChdir(False)
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sources, sharedLib, staticLib, tests, portEnv, hostApis = env.SConscript(os.path.join("src", "SConscript"),
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build_dir=buildDir, duplicate=False, exports=["env"])
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if Platform in Posix:
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prefix = env["prefix"]
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includeDir = os.path.join(prefix, "include")
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libDir = os.path.join(prefix, "lib")
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env.Alias("install", includeDir)
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env.Alias("install", libDir)
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# pkg-config
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def installPkgconfig(env, target, source):
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tgt = str(target[0])
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src = str(source[0])
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f = open(src)
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try: txt = f.read()
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finally: f.close()
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txt = txt.replace("@prefix@", prefix)
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txt = txt.replace("@exec_prefix@", prefix)
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txt = txt.replace("@libdir@", libDir)
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txt = txt.replace("@includedir@", includeDir)
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txt = txt.replace("@LIBS@", " ".join(["-l%s" % l for l in portEnv["LIBS"]]))
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txt = txt.replace("@THREAD_CFLAGS@", threadCFlags)
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f = open(tgt, "w")
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try: f.write(txt)
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finally: f.close()
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pkgconfigTgt = "portaudio-%d.0.pc" % int(ApiVer.split(".", 1)[0])
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env.Command(os.path.join(libDir, "pkgconfig", pkgconfigTgt),
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os.path.join("#", pkgconfigTgt + ".in"), installPkgconfig)
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# Default to None, since if the user disables all targets and no Default is set, all targets
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# are built by default
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env.Default(None)
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if env["enableTests"]:
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env.Default(tests)
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if env["enableShared"]:
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env.Default(sharedLib)
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if Platform in Posix:
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def symlink(env, target, source):
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trgt = str(target[0])
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src = str(source[0])
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if os.path.islink(trgt) or os.path.exists(trgt):
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os.remove(trgt)
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os.symlink(os.path.basename(src), trgt)
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major, minor, micro = [int(c) for c in ApiVer.split(".")]
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soFile = "%s.%s" % (os.path.basename(str(sharedLib[0])), ApiVer)
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env.InstallAs(target=os.path.join(libDir, soFile), source=sharedLib)
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# Install symlinks
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symTrgt = os.path.join(libDir, soFile)
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env.Command(os.path.join(libDir, "libportaudio.so.%d.%d" % (major, minor)),
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symTrgt, symlink)
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symTrgt = rsplit(symTrgt, ".", 1)[0]
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env.Command(os.path.join(libDir, "libportaudio.so.%d" % major), symTrgt, symlink)
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symTrgt = rsplit(symTrgt, ".", 1)[0]
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env.Command(os.path.join(libDir, "libportaudio.so"), symTrgt, symlink)
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if env["enableStatic"]:
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env.Default(staticLib)
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env.Install(libDir, staticLib)
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env.Install(includeDir, os.path.join("include", "portaudio.h"))
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if env["enableCxx"]:
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env.SConscriptChdir(True)
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cxxEnv = env.Copy()
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sharedLibs, staticLibs, headers = env.SConscript(os.path.join("bindings", "cpp", "SConscript"),
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exports={"env": cxxEnv, "buildDir": buildDir}, build_dir=os.path.join(buildDir, "portaudiocpp"), duplicate=False)
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if env["enableStatic"]:
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env.Default(staticLibs)
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env.Install(libDir, staticLibs)
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if env["enableShared"]:
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env.Default(sharedLibs)
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env.Install(libDir, sharedLibs)
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env.Install(os.path.join(includeDir, "portaudiocpp"), headers)
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# Generate portaudio_config.h header with compile-time definitions of which PA
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# back-ends are available, and which includes back-end extension headers
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# Host-specific headers
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hostApiHeaders = {"ALSA": "pa_linux_alsa.h",
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"ASIO": "pa_asio.h",
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"COREAUDIO": "pa_mac_core.h",
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"JACK": "pa_jack.h",
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"WMME": "pa_winwmme.h",
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}
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def buildConfigH(target, source, env):
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"""builder for portaudio_config.h"""
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global hostApiHeaders, hostApis
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out = ""
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for hostApi in hostApis:
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out += "#define PA_HAVE_%s\n" % hostApi
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hostApiSpecificHeader = hostApiHeaders.get(hostApi, None)
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if hostApiSpecificHeader:
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out += "#include \"%s\"\n" % hostApiSpecificHeader
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out += "\n"
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# Strip the last newline
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if out and out[-1] == "\n":
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out = out[:-1]
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f = file(str(target[0]), 'w')
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try: f.write(out)
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finally: f.close()
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return 0
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# Define the builder for the config header
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env.Append(BUILDERS={"portaudioConfig": env.Builder(
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action=Action(buildConfigH), target_factory=env.fs.File)})
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confH = env.portaudioConfig(File("portaudio_config.h", "include"),
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File("portaudio.h", "include"))
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env.Default(confH)
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env.Install(os.path.join(includeDir, "portaudio"), confH)
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for api in hostApis:
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if api in hostApiHeaders:
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env.Install(os.path.join(includeDir, "portaudio"),
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File(hostApiHeaders[api], "include"))
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