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import sys, os.path |
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|
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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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|
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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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|
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l.insert(0, toSplit) |
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return l |
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|
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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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|
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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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|
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buildDir = os.path.join("#", sconsDir, env["PLATFORM"]) |
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|
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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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|
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env.Append(CPPPATH=[os.path.join("#", "include"), "common"]) |
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|
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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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|
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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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|
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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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|
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# pkg-config |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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major, minor, micro = [int(c) for c in ApiVer.split(".")] |
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|
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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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|
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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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|
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env.Install(includeDir, os.path.join("include", "portaudio.h")) |
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|
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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