SConscript_opts (4100B)
1 import os.path, sys 2 3 def _PackageOption(pkgName, default=1): 4 """ Allow user to choose whether a package should be used if available. This results in a commandline option use<Pkgname>, 5 where Pkgname is the name of the package with a capitalized first letter. 6 @param pkgName: Name of package. 7 @param default: The default value for this option ("yes"/"no"). 8 """ 9 return BoolOption("use%s" % pkgName[0].upper() + pkgName[1:], "use %s if available" % (pkgName), default) 10 11 def _BoolOption(opt, explanation, default=1): 12 """ Allow user to enable/disable a certain option. This results in a commandline option enable<Option>, where Option 13 is the name of the option with a capitalized first letter. 14 @param opt: Name of option. 15 @param explanation: Explanation of option. 16 @param default: The default value for this option (1/0). 17 """ 18 return BoolOption("enable%s" % opt[0].upper() + opt[1:], explanation, default) 19 20 def _EnumOption(opt, explanation, allowedValues, default): 21 """ Allow the user to choose among a set of values for an option. This results in a commandline option with<Option>, 22 where Option is the name of the option with a capitalized first letter. 23 @param opt: The name of the option. 24 @param explanation: Explanation of option. 25 @param allowedValues: The set of values to choose from. 26 @param default: The default value. 27 """ 28 assert default in allowedValues 29 return EnumOption("with%s" % opt[0].upper() + opt[1:], explanation, default, allowed_values=allowedValues) 30 31 def _DirectoryOption(opt, explanation, default): 32 """ Allow the user to configure the location for a certain directory, for instance the prefix. This results in a 33 commandline option which is simply the name of this option. 34 @param opt: The configurable directory, for instance "prefix". 35 @param explanation: Explanation of option. 36 @param default: The default value for this option. 37 """ 38 return PathOption(opt, explanation, default) 39 # Incompatible with the latest stable SCons 40 # return PathOption(path, help, default, PathOption.PathIsDir) 41 42 import SCons.Errors 43 try: 44 Import("Platform", "Posix") 45 except SCons.Errors.UserError: 46 # The common objects must be exported first 47 SConscript("SConscript_common") 48 Import("Platform", "Posix") 49 50 # Expose the options as a dictionary of sets of options 51 opts = {} 52 53 if Platform in Posix: 54 opts["Installation Dirs"] = [_DirectoryOption("prefix", "installation prefix", "/usr/local")] 55 elif Platform in Windows: 56 if Platform == "cygwin": 57 opts["Installation Dirs"] = [_DirectoryOption("prefix", "installation prefix", "/usr/local")] 58 59 opts["Build Targets"] = [_BoolOption("shared", "create shared library"), _BoolOption("static", "create static library"), 60 _BoolOption("tests", "build test programs")] 61 62 apis = [] 63 if Platform in Posix: 64 apis.append(_PackageOption("OSS")) 65 apis.append(_PackageOption("JACK")) 66 apis.append(_PackageOption("ALSA", Platform == "linux")) 67 apis.append(_PackageOption("ASIHPI", Platform == "linux")) 68 apis.append(_PackageOption("COREAUDIO", Platform == "darwin")) 69 elif Platform in Windows: 70 if Platform == "cygwin": 71 apis.append(_EnumOption("winAPI", "Windows API to use", ("wmme", "directx", "asio"), "wmme")) 72 73 opts["Host APIs"] = apis 74 75 opts["Build Parameters"] = [\ 76 _BoolOption("debug", "compile with debug symbols"), 77 _BoolOption("optimize", "compile with optimization", default=0), 78 _BoolOption("asserts", "runtime assertions are helpful for debugging, but can be detrimental to performance", 79 default=1), 80 _BoolOption("debugOutput", "enable debug output", default=0), 81 # _BoolOption("python", "create Python binding"), 82 ("customCFlags", "customize compilation of C code", ""), 83 ("customCxxFlags", "customize compilation of C++ code", ""), 84 ("customLinkFlags", "customize linking", ""), 85 ] 86 87 opts["Bindings"] = [\ 88 _BoolOption("cxx", "build Merlijn Blaauw's PA C++ wrapper", default=0) 89 ] 90 91 Return("opts")