comparison src/portaudio/SConstruct @ 4:e13257ea84a4

Add bzip2, zlib, liblo, portaudio sources
author Chris Cannam
date Wed, 20 Mar 2013 13:59:52 +0000
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3:6c505a35919a 4:e13257ea84a4
1 import sys, os.path
2
3 def rsplit(toSplit, sub, max=-1):
4 """ str.rsplit seems to have been introduced in 2.4 :( """
5 l = []
6 i = 0
7 while i != max:
8 try: idx = toSplit.rindex(sub)
9 except ValueError: break
10
11 toSplit, splitOff = toSplit[:idx], toSplit[idx + len(sub):]
12 l.insert(0, splitOff)
13 i += 1
14
15 l.insert(0, toSplit)
16 return l
17
18 sconsDir = os.path.join("build", "scons")
19 SConscript(os.path.join(sconsDir, "SConscript_common"))
20 Import("Platform", "Posix", "ApiVer")
21
22 # SConscript_opts exports PortAudio options
23 optsDict = SConscript(os.path.join(sconsDir, "SConscript_opts"))
24 optionsCache = os.path.join(sconsDir, "options.cache") # Save options between runs in this cache
25 options = Options(optionsCache, args=ARGUMENTS)
26 for k in ("Installation Dirs", "Build Targets", "Host APIs", "Build Parameters", "Bindings"):
27 options.AddOptions(*optsDict[k])
28 # Propagate options into environment
29 env = Environment(options=options)
30 # Save options for next run
31 options.Save(optionsCache, env)
32 # Generate help text for options
33 env.Help(options.GenerateHelpText(env))
34
35 buildDir = os.path.join("#", sconsDir, env["PLATFORM"])
36
37 # Determine parameters to build tools
38 if Platform in Posix:
39 threadCFlags = ''
40 if Platform != 'darwin':
41 threadCFlags = "-pthread "
42 baseLinkFlags = threadCFlags
43 baseCxxFlags = baseCFlags = "-Wall -pedantic -pipe " + threadCFlags
44 debugCxxFlags = debugCFlags = "-g"
45 optCxxFlags = optCFlags = "-O2"
46 env.Append(CCFLAGS = baseCFlags)
47 env.Append(CXXFLAGS = baseCxxFlags)
48 env.Append(LINKFLAGS = baseLinkFlags)
49 if env["enableDebug"]:
50 env.AppendUnique(CCFLAGS=debugCFlags.split())
51 env.AppendUnique(CXXFLAGS=debugCxxFlags.split())
52 if env["enableOptimize"]:
53 env.AppendUnique(CCFLAGS=optCFlags.split())
54 env.AppendUnique(CXXFLAGS=optCxxFlags.split())
55 if not env["enableAsserts"]:
56 env.AppendUnique(CPPDEFINES=["-DNDEBUG"])
57 if env["customCFlags"]:
58 env.Append(CCFLAGS=Split(env["customCFlags"]))
59 if env["customCxxFlags"]:
60 env.Append(CXXFLAGS=Split(env["customCxxFlags"]))
61 if env["customLinkFlags"]:
62 env.Append(LINKFLAGS=Split(env["customLinkFlags"]))
63
64 env.Append(CPPPATH=[os.path.join("#", "include"), "common"])
65
66 # Store all signatures in one file, otherwise .sconsign files will get installed along with our own files
67 env.SConsignFile(os.path.join(sconsDir, ".sconsign"))
68
69 env.SConscriptChdir(False)
70 sources, sharedLib, staticLib, tests, portEnv, hostApis = env.SConscript(os.path.join("src", "SConscript"),
71 build_dir=buildDir, duplicate=False, exports=["env"])
72
73 if Platform in Posix:
74 prefix = env["prefix"]
75 includeDir = os.path.join(prefix, "include")
76 libDir = os.path.join(prefix, "lib")
77 env.Alias("install", includeDir)
78 env.Alias("install", libDir)
79
80 # pkg-config
81
82 def installPkgconfig(env, target, source):
83 tgt = str(target[0])
84 src = str(source[0])
85 f = open(src)
86 try: txt = f.read()
87 finally: f.close()
88 txt = txt.replace("@prefix@", prefix)
89 txt = txt.replace("@exec_prefix@", prefix)
90 txt = txt.replace("@libdir@", libDir)
91 txt = txt.replace("@includedir@", includeDir)
92 txt = txt.replace("@LIBS@", " ".join(["-l%s" % l for l in portEnv["LIBS"]]))
93 txt = txt.replace("@THREAD_CFLAGS@", threadCFlags)
94
95 f = open(tgt, "w")
96 try: f.write(txt)
97 finally: f.close()
98
99 pkgconfigTgt = "portaudio-%d.0.pc" % int(ApiVer.split(".", 1)[0])
100 env.Command(os.path.join(libDir, "pkgconfig", pkgconfigTgt),
101 os.path.join("#", pkgconfigTgt + ".in"), installPkgconfig)
102
103 # Default to None, since if the user disables all targets and no Default is set, all targets
104 # are built by default
105 env.Default(None)
106 if env["enableTests"]:
107 env.Default(tests)
108 if env["enableShared"]:
109 env.Default(sharedLib)
110
111 if Platform in Posix:
112 def symlink(env, target, source):
113 trgt = str(target[0])
114 src = str(source[0])
115
116 if os.path.islink(trgt) or os.path.exists(trgt):
117 os.remove(trgt)
118 os.symlink(os.path.basename(src), trgt)
119
120 major, minor, micro = [int(c) for c in ApiVer.split(".")]
121
122 soFile = "%s.%s" % (os.path.basename(str(sharedLib[0])), ApiVer)
123 env.InstallAs(target=os.path.join(libDir, soFile), source=sharedLib)
124 # Install symlinks
125 symTrgt = os.path.join(libDir, soFile)
126 env.Command(os.path.join(libDir, "libportaudio.so.%d.%d" % (major, minor)),
127 symTrgt, symlink)
128 symTrgt = rsplit(symTrgt, ".", 1)[0]
129 env.Command(os.path.join(libDir, "libportaudio.so.%d" % major), symTrgt, symlink)
130 symTrgt = rsplit(symTrgt, ".", 1)[0]
131 env.Command(os.path.join(libDir, "libportaudio.so"), symTrgt, symlink)
132
133 if env["enableStatic"]:
134 env.Default(staticLib)
135 env.Install(libDir, staticLib)
136
137 env.Install(includeDir, os.path.join("include", "portaudio.h"))
138
139
140 if env["enableCxx"]:
141 env.SConscriptChdir(True)
142 cxxEnv = env.Copy()
143 sharedLibs, staticLibs, headers = env.SConscript(os.path.join("bindings", "cpp", "SConscript"),
144 exports={"env": cxxEnv, "buildDir": buildDir}, build_dir=os.path.join(buildDir, "portaudiocpp"), duplicate=False)
145 if env["enableStatic"]:
146 env.Default(staticLibs)
147 env.Install(libDir, staticLibs)
148 if env["enableShared"]:
149 env.Default(sharedLibs)
150 env.Install(libDir, sharedLibs)
151 env.Install(os.path.join(includeDir, "portaudiocpp"), headers)
152
153 # Generate portaudio_config.h header with compile-time definitions of which PA
154 # back-ends are available, and which includes back-end extension headers
155
156 # Host-specific headers
157 hostApiHeaders = {"ALSA": "pa_linux_alsa.h",
158 "ASIO": "pa_asio.h",
159 "COREAUDIO": "pa_mac_core.h",
160 "JACK": "pa_jack.h",
161 "WMME": "pa_winwmme.h",
162 }
163
164 def buildConfigH(target, source, env):
165 """builder for portaudio_config.h"""
166 global hostApiHeaders, hostApis
167 out = ""
168 for hostApi in hostApis:
169 out += "#define PA_HAVE_%s\n" % hostApi
170
171 hostApiSpecificHeader = hostApiHeaders.get(hostApi, None)
172 if hostApiSpecificHeader:
173 out += "#include \"%s\"\n" % hostApiSpecificHeader
174
175 out += "\n"
176 # Strip the last newline
177 if out and out[-1] == "\n":
178 out = out[:-1]
179
180 f = file(str(target[0]), 'w')
181 try: f.write(out)
182 finally: f.close()
183 return 0
184
185 # Define the builder for the config header
186 env.Append(BUILDERS={"portaudioConfig": env.Builder(
187 action=Action(buildConfigH), target_factory=env.fs.File)})
188
189 confH = env.portaudioConfig(File("portaudio_config.h", "include"),
190 File("portaudio.h", "include"))
191 env.Default(confH)
192 env.Install(os.path.join(includeDir, "portaudio"), confH)
193
194 for api in hostApis:
195 if api in hostApiHeaders:
196 env.Install(os.path.join(includeDir, "portaudio"),
197 File(hostApiHeaders[api], "include"))