diff options
Diffstat (limited to 'portaudio/SConstruct')
| -rw-r--r-- | portaudio/SConstruct | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/portaudio/SConstruct b/portaudio/SConstruct new file mode 100644 index 0000000..37e67ba --- /dev/null +++ b/portaudio/SConstruct @@ -0,0 +1,197 @@ +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")) |