diff options
Diffstat (limited to '3rdparty/portaudio/src/SConscript')
-rw-r--r-- | 3rdparty/portaudio/src/SConscript | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/3rdparty/portaudio/src/SConscript b/3rdparty/portaudio/src/SConscript new file mode 100644 index 0000000..5cc9152 --- /dev/null +++ b/3rdparty/portaudio/src/SConscript @@ -0,0 +1,220 @@ +import os.path, copy, sys + +def checkSymbol(conf, header, library=None, symbol=None, autoAdd=True, critical=False, pkgName=None): + """ Check for symbol in library, optionally look only for header. + @param conf: Configure instance. + @param header: The header file where the symbol is declared. + @param library: The library in which the symbol exists, if None it is taken to be the standard C library. + @param symbol: The symbol to look for, if None only the header will be looked up. + @param autoAdd: Automatically link with this library if check is positive. + @param critical: Raise on error? + @param pkgName: Optional name of pkg-config entry for library, to determine build parameters. + @return: True/False + """ + origEnv = conf.env.Copy() # Copy unmodified environment so we can restore it upon error + env = conf.env + if library is None: + library = "c" # Standard library + autoAdd = False + + if pkgName is not None: + origLibs = copy.copy(env.get("LIBS", None)) + + try: env.ParseConfig("pkg-config --silence-errors %s --cflags --libs" % pkgName) + except: pass + else: + # I see no other way of checking that the parsing succeeded, if it did add no more linking parameters + if env.get("LIBS", None) != origLibs: + autoAdd = False + + try: + if not conf.CheckCHeader(header, include_quotes="<>"): + raise ConfigurationError("missing header %s" % header) + if symbol is not None and not conf.CheckLib(library, symbol, language="C", autoadd=autoAdd): + raise ConfigurationError("missing symbol %s in library %s" % (symbol, library)) + except ConfigurationError: + conf.env = origEnv + if not critical: + return False + raise + + return True + +import SCons.Errors + +# Import common variables + +# Could use '#' to refer to top-level SConstruct directory, but looks like env.SConsignFile doesn't interpret this at least :( +sconsDir = os.path.abspath(os.path.join("build", "scons")) + +try: + Import("Platform", "Posix", "ConfigurationError", "ApiVer") +except SCons.Errors.UserError: + # The common objects must be exported first + SConscript(os.path.join(sconsDir, "SConscript_common")) + Import("Platform", "Posix", "ConfigurationError", "ApiVer") + +Import("env") + +# This will be manipulated +env = env.Copy() + +# We operate with a set of needed libraries and optional libraries, the latter stemming from host API implementations. +# For libraries of both types we record a set of values that is used to look for the library in question, during +# configuration. If the corresponding library for a host API implementation isn't found, the implementation is left out. +neededLibs = [] +optionalImpls = {} +if Platform in Posix: + env.Append(CPPPATH=os.path.join("os", "unix")) + neededLibs += [("pthread", "pthread.h", "pthread_create"), ("m", "math.h", "sin")] + if env["useALSA"]: + optionalImpls["ALSA"] = ("asound", "alsa/asoundlib.h", "snd_pcm_open") + if env["useJACK"]: + optionalImpls["JACK"] = ("jack", "jack/jack.h", "jack_client_new") + if env["useOSS"]: + # TODO: It looks like the prefix for soundcard.h depends on the platform + optionalImpls["OSS"] = ("oss", "sys/soundcard.h", None) + if Platform == 'netbsd': + optionalImpls["OSS"] = ("ossaudio", "sys/soundcard.h", "_oss_ioctl") + if env["useASIHPI"]: + optionalImpls["ASIHPI"] = ("hpi", "asihpi/hpi.h", "HPI_SubSysCreate") + if env["useCOREAUDIO"]: + optionalImpls["COREAUDIO"] = ("CoreAudio", "CoreAudio/CoreAudio.h", None) +else: + raise ConfigurationError("unknown platform %s" % Platform) + +if Platform == "darwin": + env.Append(LINKFLAGS="-framework CoreFoundation -framework CoreServices -framework CoreAudio -framework AudioToolBox -framework AudioUnit") +elif Platform == "cygwin": + env.Append(LIBS=["winmm"]) +elif Platform == "irix": + neededLibs += [("audio", "dmedia/audio.h", "alOpenPort"), ("dmedia", "dmedia/dmedia.h", "dmGetUST")] + env.Append(CPPDEFINES=["PA_USE_SGI"]) + +def CheckCTypeSize(context, tp): + """ Check size of C type. + @param context: A configuration context. + @param tp: The type to check. + @return: Size of type, in bytes. + """ + context.Message("Checking the size of C type %s..." % tp) + ret = context.TryRun(""" +#include <stdio.h> + +int main() { + printf("%%d", sizeof(%s)); + return 0; +} +""" % tp, ".c") + if not ret[0]: + context.Result(" Couldn't obtain size of type %s!" % tp) + return None + + assert ret[1] + sz = int(ret[1]) + context.Result("%d" % sz) + return sz + +""" +if sys.byteorder == "little": + env.Append(CPPDEFINES=["PA_LITTLE_ENDIAN"]) +elif sys.byteorder == "big": + env.Append(CPPDEFINES=["PA_BIG_ENDIAN"]) +else: + raise ConfigurationError("unknown byte order: %s" % sys.byteorder) +""" +if env["enableDebugOutput"]: + env.Append(CPPDEFINES=["PA_ENABLE_DEBUG_OUTPUT"]) + +# Start configuration + +# Use an absolute path for conf_dir, otherwise it gets created both relative to current directory and build directory +conf = env.Configure(log_file=os.path.join(sconsDir, "sconf.log"), custom_tests={"CheckCTypeSize": CheckCTypeSize}, + conf_dir=os.path.join(sconsDir, ".sconf_temp")) +conf.env.Append(CPPDEFINES=["SIZEOF_SHORT=%d" % conf.CheckCTypeSize("short")]) +conf.env.Append(CPPDEFINES=["SIZEOF_INT=%d" % conf.CheckCTypeSize("int")]) +conf.env.Append(CPPDEFINES=["SIZEOF_LONG=%d" % conf.CheckCTypeSize("long")]) +if checkSymbol(conf, "time.h", "rt", "clock_gettime"): + conf.env.Append(CPPDEFINES=["HAVE_CLOCK_GETTIME"]) +if checkSymbol(conf, "time.h", symbol="nanosleep"): + conf.env.Append(CPPDEFINES=["HAVE_NANOSLEEP"]) +if conf.CheckCHeader("sys/soundcard.h"): + conf.env.Append(CPPDEFINES=["HAVE_SYS_SOUNDCARD_H"]) +if conf.CheckCHeader("linux/soundcard.h"): + conf.env.Append(CPPDEFINES=["HAVE_LINUX_SOUNDCARD_H"]) +if conf.CheckCHeader("machine/soundcard.h"): + conf.env.Append(CPPDEFINES=["HAVE_MACHINE_SOUNDCARD_H"]) + +# Look for needed libraries and link with them +for lib, hdr, sym in neededLibs: + checkSymbol(conf, hdr, lib, sym, critical=True) +# Look for host API libraries, if a library isn't found disable corresponding host API implementation. +for name, val in optionalImpls.items(): + lib, hdr, sym = val + if checkSymbol(conf, hdr, lib, sym, critical=False, pkgName=name.lower()): + conf.env.Append(CPPDEFINES=["PA_USE_%s=1" % name.upper()]) + else: + del optionalImpls[name] + +# Configuration finished +env = conf.Finish() + +# PA infrastructure +CommonSources = [os.path.join("common", f) for f in "pa_allocation.c pa_converters.c pa_cpuload.c pa_dither.c pa_front.c \ + pa_process.c pa_stream.c pa_trace.c pa_debugprint.c pa_ringbuffer.c".split()] +CommonSources.append(os.path.join("hostapi", "skeleton", "pa_hostapi_skeleton.c")) + +# Host APIs implementations +ImplSources = [] +if Platform in Posix: + ImplSources += [os.path.join("os", "unix", f) for f in "pa_unix_hostapis.c pa_unix_util.c".split()] + +if "ALSA" in optionalImpls: + ImplSources.append(os.path.join("hostapi", "alsa", "pa_linux_alsa.c")) +if "JACK" in optionalImpls: + ImplSources.append(os.path.join("hostapi", "jack", "pa_jack.c")) +if "OSS" in optionalImpls: + ImplSources.append(os.path.join("hostapi", "oss", "pa_unix_oss.c")) +if "ASIHPI" in optionalImpls: + ImplSources.append(os.path.join("hostapi", "asihpi", "pa_linux_asihpi.c")) +if "COREAUDIO" in optionalImpls: + ImplSources.append([os.path.join("hostapi", "coreaudio", f) for f in """ + pa_mac_core.c pa_mac_core_blocking.c pa_mac_core_utilities.c + """.split()]) + + +sources = CommonSources + ImplSources + +sharedLibEnv = env.Copy() +if Platform in Posix: + # Add soname to library, this is so a reference is made to the versioned library in programs linking against libportaudio.so + if Platform != 'darwin': + sharedLibEnv.AppendUnique(SHLINKFLAGS="-Wl,-soname=libportaudio.so.%d" % int(ApiVer.split(".")[0])) +sharedLib = sharedLibEnv.SharedLibrary(target="portaudio", source=sources) + +staticLib = env.StaticLibrary(target="portaudio", source=sources) + +if Platform in Posix: + prefix = env["prefix"] + includeDir = os.path.join(prefix, "include") + libDir = os.path.join(prefix, "lib") + +testNames = ["patest_sine", "paqa_devs", "paqa_errs", "patest1", "patest_buffer", "patest_callbackstop", "patest_clip", \ + "patest_dither", "patest_hang", "patest_in_overflow", "patest_latency", "patest_leftright", "patest_longsine", \ + "patest_many", "patest_maxsines", "patest_multi_sine", "patest_out_underflow", "patest_pink", "patest_prime", \ + "patest_read_record", "patest_record", "patest_ringmix", "patest_saw", "patest_sine8", "patest_sine", \ + "patest_sine_time", "patest_start_stop", "patest_stop", "patest_sync", "patest_toomanysines", \ + "patest_underflow", "patest_wire", "patest_write_sine", "pa_devs", "pa_fuzz", "pa_minlat", \ + "patest_sine_channelmaps",] + +# The test directory ("bin") should be in the top-level PA directory +tests = [env.Program(target=os.path.join("#", "bin", name), source=[os.path.join("#", "test", name + ".c"), + staticLib]) for name in testNames] + +# Detect host APIs +hostApis = [] +for cppdef in env["CPPDEFINES"]: + if cppdef.startswith("PA_USE_"): + hostApis.append(cppdef[7:-2]) + +Return("sources", "sharedLib", "staticLib", "tests", "env", "hostApis") |