| 1 | import sys | 
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| 2 | import os | 
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| 3 | import glob | 
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| 4 | import re | 
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| 5 | import platform | 
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| 6 |  | 
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| 7 | def generate(env): | 
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| 8 |  | 
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| 9 | def SGlob(pattern, excludedirs=[], recursive=False): | 
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| 10 | # always exclude .svn | 
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| 11 | excludedirs.append(".svn") | 
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| 12 | path = env.GetBuildPath('SConscript').replace('SConscript', '') | 
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| 13 | if recursive: | 
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| 14 | # remove '*' from pattern is accidentally specified | 
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| 15 | pattern=pattern.replace("*", "") | 
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| 16 | out = [] | 
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| 17 | for d, ld, fls in os.walk(path): | 
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| 18 | # remove directorys to be excluded | 
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| 19 | for exd in excludedirs: | 
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| 20 | if exd in ld: | 
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| 21 | ld.remove(exd) | 
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| 22 | for f in fls: | 
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| 23 | if f.endswith(pattern): | 
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| 24 | drel=d.replace(path,"") | 
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| 25 | out.append(os.path.join(drel,f)) | 
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| 26 | return out | 
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| 27 | else: | 
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| 28 | return [ i.replace(path, '') for i in  glob.glob(path + pattern) ] | 
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| 29 | env.SGlob = SGlob | 
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| 30 |  | 
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| 31 | def AddCustomPath(path=None): | 
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| 32 | if path is None or not os.path.exists(path): | 
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| 33 | env.Exit(1) | 
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| 34 | env.PrependUnique(CPPPATH = [os.path.join(path, "include")]) | 
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| 35 | env.PrependUnique(LIBPATH = [os.path.join(path, "lib")]) | 
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| 36 | env.AddCustomPath = AddCustomPath | 
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| 37 |  | 
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| 38 | def AddCustomPackage(pkgname=None): | 
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| 39 | if pkgname is None: | 
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| 40 | return | 
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| 41 | pkgroot = env.get("%sroot" % pkgname, None) | 
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| 42 | pkgincd = env.get("%sincdir" % pkgname, None) | 
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| 43 | pkglibd = env.get("%slibdir" % pkgname, None) | 
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| 44 | incd = None | 
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| 45 | libd = None | 
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| 46 | if pkgroot is not None: | 
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| 47 | incd = os.path.join(pkgroot, "include") | 
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| 48 | libd = os.path.join(pkgroot, "lib") | 
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| 49 | else: | 
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| 50 | if pkgincd is not None: | 
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| 51 | incd = pkgincd | 
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| 52 | if pkglibd is not None: | 
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| 53 | libd = pkglibd | 
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| 54 | if incd is not None: | 
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| 55 | if not os.path.exists(incd): | 
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| 56 | print "Custom %s include dir '%s' not found" % (pkgname, incd) | 
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| 57 | env.Exit(1) | 
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| 58 | env.PrependUnique(CPPPATH = [incd]) | 
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| 59 | if libd is not None: | 
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| 60 | if not os.path.exists(libd): | 
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| 61 | print "Custom %s lib dir '%s' not found" % (pkgname, libd) | 
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| 62 | env.Exit(1) | 
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| 63 | env.PrependUnique(LIBPATH = [libd]) | 
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| 64 |  | 
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| 65 | env.AddCustomPackage = AddCustomPackage | 
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| 66 |  | 
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| 67 | def PlatformIdent(): | 
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| 68 | p = sys.platform | 
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| 69 | # replace the trailing 2 in linux2 | 
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| 70 | p = re.sub(re.compile("2$"), "", p) | 
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| 71 | return p + "_" + platform.machine() | 
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| 72 | env.PlatformIdent = PlatformIdent | 
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| 73 |  | 
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| 74 | def MergeFlags(): | 
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| 75 | def _to_list(xf): | 
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| 76 | if xf.count(","): | 
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| 77 | return xf.split(",") | 
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| 78 | return xf.split() | 
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| 79 |  | 
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| 80 | xf=env.get("extracppflags", None) | 
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| 81 | if xf: | 
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| 82 | env.AppendUnique(CPPFLAGS=_to_list(xf)) | 
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| 83 | xf=env.get("extralinkflags", None) | 
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| 84 | if xf: | 
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| 85 | env.AppendUnique(LINKFLAGS=_to_list(xf)) | 
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| 86 | env.AppendUnique(SHLINKFLAGS=_to_list(xf)) | 
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| 87 | xf=env.get("extracxxflags", None) | 
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| 88 | if xf: | 
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| 89 | env.AppendUnique(CXXFLAGS=_to_list(xf)) | 
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| 90 | xf=env.get("extrafflags", None) | 
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| 91 | if xf: | 
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| 92 | env.AppendUnique(FORTRANFLAGS=_to_list(xf)) | 
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| 93 | env.AppendUnique(SHFORTRANFLAGS=_to_list(xf)) | 
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| 94 | xf=env.get("extracflags", None) | 
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| 95 | if xf: | 
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| 96 | env.AppendUnique(CCFLAGS=_to_list(xf)) | 
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| 97 | # set the extra flags if available | 
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| 98 | MergeFlags() | 
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| 99 |  | 
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| 100 | def CheckFortran(conf): | 
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| 101 |  | 
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| 102 | def getf2clib(fc): | 
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| 103 | fdict = {'gfortran': 'gfortran', 'g77': 'g2c', 'f77': 'f2c'} | 
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| 104 | return fdict[fc] | 
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| 105 |  | 
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| 106 |  | 
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| 107 | if not conf.env.has_key("FORTRAN"): | 
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| 108 | # auto-detect fortran | 
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| 109 | detect_fortran = conf.env.Detect(['gfortran', 'g77', 'f77']) | 
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| 110 | conf.env["FORTRAN"] = detect_fortran | 
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| 111 | f2clib = conf.env.get("f2clib", getf2clib(conf.env["FORTRAN"])) | 
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| 112 | if not conf.CheckLib(f2clib): | 
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| 113 | conf.env.Exit(1) | 
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| 114 |  | 
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| 115 | if conf.env["FORTRAN"].startswith("g77"): | 
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| 116 | fflags = ["-Wno-globals", "-fno-second-underscore"] | 
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| 117 | conf.env.AppendUnique(SHFORTRANFLAGS=fflags) | 
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| 118 | conf.env.AppendUnique(FORTRANFLAGS=fflags) | 
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| 119 | conf.env.AppendUnique(SHFORTRANFLAGS=['-fPIC']) | 
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| 120 |  | 
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| 121 | env.CheckFortran = CheckFortran | 
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| 122 |  | 
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| 123 | def WalkDirTree(targetroot, sourceroot, sources): | 
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| 124 | ifiles = [] | 
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| 125 | ofiles = [] | 
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| 126 | for s in sources: | 
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| 127 | if os.path.isdir(os.path.join(sourceroot ,s)): | 
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| 128 | for d,ld,f in os.walk(os.path.join(sourceroot ,s)): | 
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| 129 | for fl in f: | 
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| 130 | ifile = os.path.join(d, fl) | 
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| 131 | ifiles.append(ifile) | 
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| 132 | ofile = ifile.replace(sourceroot, targetroot) | 
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| 133 | ofiles.append(ofile) | 
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| 134 | return ofiles, ifiles | 
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| 135 | env.WalkDirTree = WalkDirTree | 
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| 136 |  | 
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| 137 |  | 
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| 138 | def null_action(target, source, env): return 0 | 
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| 139 |  | 
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| 140 | def message(target, source, env): | 
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| 141 | return "%s" % target[0] | 
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| 142 | env.MessageAction = env.Action(null_action, message) | 
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| 143 |  | 
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| 144 | def exists(env): | 
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| 145 | try: | 
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| 146 | import os | 
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| 147 | import glob | 
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| 148 | except ImportError: | 
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| 149 | return False | 
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| 150 | else: | 
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| 151 | return True | 
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