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