1 | import os, sys, re, pdb
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2 | import distutils.sysconfig as sysconfig
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3 | import distutils.util
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4 | import platform
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5 | import SCons.SConf as SConf
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6 | import config
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7 |
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8 | # taken from scons wiki
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9 | def CheckPKGConfig(context, version):
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10 | context.Message( 'Checking for pkg-config version > %s... ' % version)
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11 | ret = context.TryAction('pkg-config --atleast-pkgconfig-version=%s' % version)[0]
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12 | context.Result( ret )
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13 | return ret
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14 |
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15 | def CheckFramework(context, name):
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16 | ret = 0
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17 | if (platform.system().lower() == 'darwin'):
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18 | context.Message( '\nLooking for framework %s... ' % name )
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19 | lastFRAMEWORKS = context.env['FRAMEWORKS']
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20 | context.env.Append(FRAMEWORKS = [name])
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21 | ret = context.TryLink("""
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22 | int main(int argc, char **argv) {
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23 | return 0;
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24 | }
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25 | """, '.c')
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26 | if not ret:
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27 | context.env.Replace(FRAMEWORKS = lastFRAMEWORKS
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28 | )
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29 |
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30 | return ret
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31 |
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32 | def CheckFink(context):
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33 | context.Message( 'Looking for fink... ')
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34 | prog = context.env.WhereIs('fink')
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35 | if prog:
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36 | ret = 1
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37 | prefix = prog.rsplit(os.sep, 2)[0]
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38 | context.env.Append(LIBPATH = [prefix + os.sep +'lib'],
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39 | CPPPATH = [prefix + os.sep +'include'])
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40 | context.Message( 'Adding fink lib and include path')
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41 | else:
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42 | ret = 0
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43 |
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44 | context.Result(ret)
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45 | return int(ret)
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46 |
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47 | def CheckMacports(context):
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48 | context.Message( 'Looking for macports... ')
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49 | prog = context.env.WhereIs('port')
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50 | if prog:
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51 | ret = 1
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52 | prefix = prog.rsplit(os.sep, 2)[0]
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53 | context.env.Append(LIBPATH = [prefix + os.sep + 'lib'],
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54 | CPPPATH = [prefix + os.sep + 'include'])
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55 | context.Message( 'Adding port lib and include path')
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56 | else:
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57 | ret = 0
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58 |
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59 | context.Result(ret)
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60 | return int(ret)
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61 |
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62 | # TODO: We should use the scons one instead
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63 | def CheckLib(context, name):
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64 | context.Message( 'Looking for lib %s... ' % name )
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65 | lastLIBS = context.env['LIBS']
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66 | context.env.Append(LIBS = [name])
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67 | ret = context.TryLink("""
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68 | int main(int argc, char **argv) {
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69 | return 0;
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70 | }
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71 | """,'.c')
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72 | if not ret:
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73 | context.env.Replace(LIBS = lastLIBS)
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74 |
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75 | return ret
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76 |
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77 | def ConfigPKG(context, name):
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78 | context.Message( '\nUsing pkg-config for %s... ' % name )
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79 | ret = context.TryAction('pkg-config --exists \'%s\'' % name)[0]
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80 | context.Result( ret )
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81 | if ret:
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82 | context.env.ParseConfig('pkg-config --cflags --libs \'%s\'' % name)
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83 | return int(ret)
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84 |
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85 | def CheckPKG(context, name):
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86 | context.Message( 'Checking for %s... ' % name )
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87 | if platform.system().lower() == 'windows':
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88 | return 0
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89 | ret = 1
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90 | if not CheckFramework(context, name):
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91 | if not ConfigPKG(context, name.lower()):
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92 | ret = CheckLib(context, name)
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93 |
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94 | context.Result(ret)
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95 | return int(ret)
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96 |
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97 |
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98 | ## Configure colors for pretty builds
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99 | colors = {}
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100 | colors['cyan'] = '\033[96m'
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101 | colors['purple'] = '\033[95m'
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102 | colors['blue'] = '\033[94m'
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103 | colors['green'] = '\033[92m'
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104 | colors['yellow'] = '\033[93m'
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105 | colors['red'] = '\033[91m'
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106 | colors['end'] = '\033[0m'
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107 |
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108 | #If the output is not a terminal, remove the colors
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109 | if not sys.stdout.isatty():
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110 | for key, value in colors.iteritems():
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111 | colors[key] = ''
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112 |
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113 | def error(msg):
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114 | print "%s%s%s" % (colors['red'], msg, colors['end'])
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115 | sys.exit(1)
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116 |
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117 | def warn(msg):
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118 | print "%s%s%s" % (colors['yellow'], msg, colors['end'])
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119 |
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120 | compile_source_message = '%sCompiling %s==> %s$SOURCE%s' % \
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121 | (colors['blue'], colors['purple'], colors['yellow'], colors['end'])
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122 |
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123 | compile_shared_source_message = '%sCompiling shared %s==> %s$SOURCE%s' % \
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124 | (colors['blue'], colors['purple'], colors['yellow'], colors['end'])
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125 |
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126 | compile_python_source_message = '%sCompiling python module %s==> %s$SOURCE%s' % \
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127 | (colors['blue'], colors['purple'], colors['yellow'], colors['end'])
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128 |
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129 | link_program_message = '%sLinking Program %s==> %s$TARGET%s' % \
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130 | (colors['red'], colors['purple'], colors['yellow'], colors['end'])
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131 |
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132 | link_library_message = '%sLinking Static Library %s==> %s$TARGET%s' % \
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133 | (colors['red'], colors['purple'], colors['yellow'], colors['end'])
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134 |
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135 | ranlib_library_message = '%sRanlib Library %s==> %s$TARGET%s' % \
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136 | (colors['red'], colors['purple'], colors['yellow'], colors['end'])
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137 |
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138 | link_shared_library_message = '%sLinking Shared Library %s==> %s$TARGET%s' % \
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139 | (colors['red'], colors['purple'], colors['yellow'], colors['end'])
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140 |
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141 | link_python_module_message = '%sLinking Native Python module %s==> %s${TARGET}%s' % \
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142 | (colors['red'], colors['purple'], colors['yellow'], colors['end'])
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143 |
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144 | java_library_message = '%sCreating Java Archive %s==> %s$TARGET%s' % \
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145 | (colors['red'], colors['purple'], colors['yellow'], colors['end'])
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146 |
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147 | def install_colors(args):
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148 | """ Installs colors into an environment """
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149 | args.update(dict( CXXCOMSTR = compile_source_message,
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150 | CCCOMSTR = compile_source_message,
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151 | SHCCCOMSTR = compile_shared_source_message,
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152 | SHCXXCOMSTR = compile_shared_source_message,
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153 | ARCOMSTR = link_library_message,
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154 | RANLIBCOMSTR = ranlib_library_message,
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155 | SHLINKCOMSTR = link_shared_library_message,
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156 | LINKCOMSTR = link_program_message,
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157 | JARCOMSTR = java_library_message,
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158 | JAVACCOMSTR = compile_source_message,))
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159 |
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160 | import optparse
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161 |
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162 | ### This workaround is because scons does not provide access to the
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163 | ### parser, and by setting Help() we are unable to generate the option
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164 | ### listing from AddOption
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165 | my_parser = optparse.OptionParser()
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166 |
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167 | import SCons.Script.Main as Main
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168 | import SCons.Script as Script
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169 |
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170 | def add_option(arg, option, *args, **kwargs):
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171 | opt = "--%s" % option
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172 | Main.AddOption(opt, *args, **kwargs)
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173 | my_parser.add_option(opt, *args, **kwargs)
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174 |
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175 | arg[option] = Main.GetOption(option)
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176 |
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177 | def generate_help(vars, env):
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178 | Script.Help("AFF4 build system configuration.\n\nFollowing are compile time options:\n")
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179 | Script.Help(my_parser.format_help())
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180 | Script.Help("\nThe following variables can be used on the command line:\n")
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181 | Script.Help(vars.GenerateHelpText(env))
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182 |
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183 | HEADERS = {}
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184 |
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185 | def check_size(conf, types):
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186 | global _DEFAULTS
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187 |
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188 | for t in types:
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189 | name = "SIZEOF_" + t.replace(" ","_").upper()
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190 | HEADERS[name] = conf.CheckTypeSize(
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191 | t, size = _DEFAULTS[t][0])
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192 |
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193 | def check_type(conf, types):
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194 | header = None
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195 | for t in types:
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196 | if ':' in t:
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197 | t, header = t.split(':')
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198 | define = "HAVE_" + t.upper().replace(".","_")
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199 |
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200 | result = 0
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201 | if conf.CheckType(t, includes="#include <%s>\n" % header):
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202 | result = 1
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203 |
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204 | HEADERS[define] = result
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205 |
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206 | def check_build(conf, message, define, prog):
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207 | """ Build and links prog and adds define if that succeeds """
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208 | context = SConf.CheckContext(conf)
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209 | context.Message("Checking for %s ..." % message)
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210 | if context.TryLink(prog, ".c"):
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211 | HEADERS[define] = 1
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212 | context.Message("yes\n")
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213 | else:
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214 | context.Message("no\n")
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215 |
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216 | def check(type, conf, headers, extra_include =''):
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217 | for header in headers:
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218 | if ":" in header:
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219 | define, header = header.split(':')
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220 | else:
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221 | if "/" in header:
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222 | tmp = header.split("/")[-1]
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223 | else:
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224 | tmp = header
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225 |
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226 | define = "HAVE_" + tmp.upper().replace(".","_")
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227 |
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228 | global HEADERS
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229 | result = 0
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230 | if type == 'header':
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231 | #pdb.set_trace()
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232 | if conf.CheckCHeader(header): result = 1
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233 | HEADERS[define] = result
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234 | elif type == 'func':
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235 | if conf.CheckFunc(header, header=extra_include): result = 1
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236 | HEADERS[define] = result
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237 | elif type == 'lib':
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238 | if conf.CheckLib(header): result =1
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239 | HEADERS[define] = result
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240 |
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241 | ## Build the config.h file
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242 | def config_h_build(target, source, env):
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243 | config_h_defines = env.Dictionary()
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244 | config_h_defines.update(env.config.__dict__)
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245 | warn("Generating %s" % (target[0].path))
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246 |
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247 | for a_target, a_source in zip(target, source):
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248 | config_h = file(str(a_target), "w")
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249 | config_h_in = file(str(a_source), "r")
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250 | config_h.write(config_h_in.read() % config_h_defines)
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251 | config_h_in.close()
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252 |
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253 | keys = HEADERS.keys()
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254 | keys.sort()
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255 |
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256 | for k in keys:
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257 | if HEADERS[k]:
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258 | config_h.write("#define %s %s\n" % (k,HEADERS[k]))
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259 | else:
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260 | config_h.write("/** %s unset */\n" % k)
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261 |
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262 | config_h.close()
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263 |
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264 | import SCons.Environment
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265 |
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266 | class ExtendedEnvironment(SCons.Environment.Environment):
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267 | """ Implementation from Richard Levitte email to
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268 | org.tigris.scons.dev dated Jan 26, 2006 7:05:10 am."""
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269 | python_cppflags = "-I"+sysconfig.get_python_inc()
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270 |
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271 | def PythonModule(self, libname, lib_objs=[], **kwargs):
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272 | """ This builds a python module which is almost a library but
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273 | is sometimes named differently.
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274 |
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275 | We have two modes - a cross compile mode where we do our best
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276 | to guess the flags. In the native mode we can get the required
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277 | flags directly from distutils.
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278 | """
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279 | if config.MINGW_XCOMPILE:
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280 | shlib_suffix = ".pyd"
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281 | cppflags = "-I%s" % config.XCOMPILE_PYTHON_PATH
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282 | shlink_flags = ['']
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283 |
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284 | else:
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285 | platform = self.subst('$PLATFORM')
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286 | shlib_pre_action = None
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287 | shlib_suffix = distutils.util.split_quoted(
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288 | sysconfig.get_config_var('SO'))
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289 | shlib_post_action = None
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290 | cppflags = distutils.util.split_quoted(self.python_cppflags)
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291 | shlink_flags = str(self['LINKFLAGS']).split()
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292 |
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293 | install_dest = distutils.util.split_quoted(
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294 | os.path.join(
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295 | sysconfig.get_config_var('BINLIBDEST'),os.path.dirname(libname)))
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296 |
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297 | flags = distutils.util.split_quoted(
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298 | sysconfig.get_config_var('LDSHARED'))
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299 |
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300 | ## For some stupid reason they include the compiler in LDSHARED
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301 | shlink_flags.extend([x for x in flags if 'gcc' not in x])
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302 |
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303 | shlink_flags.append(sysconfig.get_config_var('LOCALMODLIBS'))
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304 |
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305 | ## TODO cross compile mode
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306 | kwargs['LIBPREFIX'] = ''
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307 | kwargs['CPPFLAGS'] = cppflags
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308 | kwargs['SHLIBSUFFIX'] = shlib_suffix
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309 | kwargs['SHLINKFLAGS'] = shlink_flags
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310 |
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311 | if not self.config.V:
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312 | kwargs['SHCCCOMSTR'] = compile_python_source_message
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313 | kwargs['SHLINKCOMSTR'] = link_python_module_message
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314 |
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315 | lib = self.SharedLibrary(libname,lib_objs,
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316 | **kwargs)
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317 |
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318 | ## Install it to the right spot
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319 | self.Install(install_dest, lib)
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320 | self.Alias('install', install_dest)
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321 |
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322 | return lib
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323 |
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324 | def VersionedSharedLibrary(self, libname, libversion, lib_objs=[]):
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325 | """ This creates a version library similar to libtool.
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326 |
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327 | We name the library with the appropriate soname.
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328 | """
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329 | platform = self.subst('$PLATFORM')
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330 | shlib_pre_action = None
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331 | shlib_suffix = self.subst('$SHLIBSUFFIX')
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332 | shlib_post_action = None
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333 | shlink_flags = SCons.Util.CLVar(self.subst('$SHLINKFLAGS'))
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334 |
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335 | if platform == 'posix':
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336 | shlib_post_action = [ 'rm -f $TARGET', 'ln -s ${SOURCE.file} $TARGET' ]
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337 | shlib_post_action_output_re = [ '%s\\.[0-9\\.]*$' % re.escape(shlib_suffix), shlib_suffix ]
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338 | shlib_suffix += '.' + libversion
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339 | shlink_flags += [ '-Wl,-Bsymbolic', '-Wl,-soname=${LIBPREFIX}%s%s' % (
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340 | libname, shlib_suffix) ]
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341 | elif platform == 'aix':
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342 | shlib_pre_action = [ "nm -Pg $SOURCES > ${TARGET}.tmp1", "grep ' [BDT] ' < ${TARGET}.tmp1 > ${TARGET}.tmp2", "cut -f1 -d' ' < ${TARGET}.tmp2 > ${TARGET}", "rm -f ${TARGET}.tmp[12]" ]
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343 | shlib_pre_action_output_re = [ '$', '.exp' ]
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344 | shlib_post_action = [ 'rm -f $TARGET', 'ln -s $SOURCE $TARGET' ]
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345 | shlib_post_action_output_re = [ '%s\\.[0-9\\.]*' % re.escape(shlib_suffix), shlib_suffix ]
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346 | shlib_suffix += '.' + libversion
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347 | shlink_flags += ['-G', '-bE:${TARGET}.exp', '-bM:SRE']
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348 | elif platform == 'cygwin':
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349 | shlink_flags += [ '-Wl,-Bsymbolic', '-Wl,--out-implib,${TARGET.base}.a' ]
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350 | elif platform == 'darwin':
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351 | shlib_suffix = '.' + libversion + shlib_suffix
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352 | shlink_flags += [ '-dynamiclib', '-current-version %s' % libversion ]
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353 |
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354 | lib = self.SharedLibrary(libname,lib_objs,
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355 | SHLIBSUFFIX=shlib_suffix,
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356 | SHLINKFLAGS=shlink_flags)
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357 |
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358 | if shlib_pre_action:
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359 | shlib_pre_action_output = re.sub(shlib_pre_action_output_re[0], shlib_pre_action_output_re[1], str(lib[0]))
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360 | self.Command(shlib_pre_action_output, [ lib_objs ], shlib_pre_action)
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361 | self.Depends(lib, shlib_pre_action_output)
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362 |
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363 | if shlib_post_action:
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364 | shlib_post_action_output = re.sub(shlib_post_action_output_re[0], shlib_post_action_output_re[1], str(lib[0]))
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365 | self.Command(shlib_post_action_output, lib, shlib_post_action)
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366 |
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367 | return lib
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368 |
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369 | def InstallVersionedSharedLibrary(self, destination, lib):
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370 | platform = self.subst('$PLATFORM')
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371 | shlib_suffix = self.subst('$SHLIBSUFFIX')
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372 | shlib_install_pre_action = None
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373 | shlib_install_post_action = None
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374 |
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375 | if platform == 'posix':
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376 | shlib_post_action = [ 'rm -f $TARGET', 'ln -s ${SOURCE.file} $TARGET' ]
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377 | shlib_post_action_output_re = [ '%s\\.[0-9\\.]*$' % re.escape(shlib_suffix), shlib_suffix ]
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378 | shlib_install_post_action = shlib_post_action
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379 | shlib_install_post_action_output_re = shlib_post_action_output_re
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380 |
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381 | ilib = self.Install(destination,lib)
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382 |
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383 | if shlib_install_pre_action:
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384 | shlib_install_pre_action_output = re.sub(shlib_install_pre_action_output_re[0], shlib_install_pre_action_output_re[1], str(ilib[0]))
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385 | self.Command(shlib_install_pre_action_output, ilib, shlib_install_pre_action)
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386 | self.Depends(shlib_install_pre_action_output, ilib)
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387 |
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388 | if shlib_install_post_action:
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389 | shlib_install_post_action_output = re.sub(shlib_install_post_action_output_re[0], shlib_install_post_action_output_re[1], str(ilib[0]))
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390 | self.Command(shlib_install_post_action_output, ilib, shlib_install_post_action)
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391 |
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392 |
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393 | import subprocess
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394 |
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395 | def pkg_config(pkg, type):
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396 | try:
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397 | result = subprocess.Popen(["%s-config" % pkg, "--%s" % type],
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398 | stdout=subprocess.PIPE).communicate()[0]
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399 | except:
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400 | error("Unable to run %s-config - do you have the dev package installed?" % pkg)
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401 |
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402 | return result.strip()
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403 |
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404 |
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405 | # Sensible default for common types on common platforms.
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406 | _DEFAULTS = {
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407 | 'char': [1,],
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408 | 'short' : [2,],
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409 | 'int' : [4, 2],
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410 | 'long' : [4, 8],
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411 | 'long long' : [8, 4],
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412 | # Normally, there is no need to check unsigned types, because they are
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413 | # guaranteed to be of the same size than their signed counterpart.
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414 | 'unsigned char': [1,],
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415 | 'unsigned short' : [2,],
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416 | 'unsigned int' : [4, 2],
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417 | 'unsigned long' : [4, 8],
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418 | 'unsigned long long' : [8, 4],
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419 | 'float' : [4,],
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420 | 'double' : [8,],
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421 | 'long double' : [12,],
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422 | 'size_t' : [4,],
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423 | }
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424 |
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425 | def CheckTypeSize(context, type, includes = None, language = 'C', size = None):
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426 | """This check can be used to get the size of a given type, or to check whether
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427 | the type is of expected size.
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428 |
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429 | Arguments:
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430 | - type : str
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431 | the type to check
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432 | - includes : sequence
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433 | list of headers to include in the test code before testing the type
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434 | - language : str
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435 | 'C' or 'C++'
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436 | - size : int
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437 | if given, will test wether the type has the given number of bytes.
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438 | If not given, will test against a list of sizes (all sizes between
|
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439 | 0 and 16 bytes are tested).
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440 |
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441 | Returns:
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442 | status : int
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443 | 0 if the check failed, or the found size of the type if the check succeeded."""
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444 | minsz = 0
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445 | maxsz = 16
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446 |
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447 | if includes:
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448 | src = "\n".join([r"#include <%s>\n" % i for i in includes])
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449 | else:
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450 | src = ""
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451 |
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452 | if language == 'C':
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453 | ext = '.c'
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454 | elif language == 'C++':
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455 | ext = '.cpp'
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456 | else:
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457 | raise NotImplementedError("%s is not a recognized language" % language)
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458 |
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459 | # test code taken from autoconf: this is a pretty clever hack to find that
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460 | # a type is of a given size using only compilation. This speeds things up
|
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461 | # quite a bit compared to straightforward code using TryRun
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462 | src += r"""
|
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463 | typedef %s scons_check_type;
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464 |
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465 | int main()
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466 | {
|
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467 | static int test_array[1 - 2 * !(((long int) (sizeof(scons_check_type))) <= %d)];
|
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468 | test_array[0] = 0;
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469 |
|
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470 | return 0;
|
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471 | }
|
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472 | """
|
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473 |
|
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474 | if size:
|
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475 | # Only check if the given size is the right one
|
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476 | context.Message('Checking %s is %d bytes... ' % (type, size))
|
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477 | st = context.TryCompile(src % (type, size), ext)
|
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478 | context.Result(st)
|
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479 |
|
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480 | if st:
|
---|
481 | return size
|
---|
482 | else:
|
---|
483 | return 0
|
---|
484 | else:
|
---|
485 | # Only check if the given size is the right one
|
---|
486 | context.Message('Checking size of %s ... ' % type)
|
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487 |
|
---|
488 | # Try sensible defaults first
|
---|
489 | try:
|
---|
490 | szrange = _DEFAULTS[type]
|
---|
491 | except KeyError:
|
---|
492 | szrange = []
|
---|
493 | szrange.extend(xrange(minsz, maxsz))
|
---|
494 | st = 0
|
---|
495 |
|
---|
496 | # Actual test
|
---|
497 | for sz in szrange:
|
---|
498 | st = context.TryCompile(src % (type, sz), ext)
|
---|
499 | if st:
|
---|
500 | break
|
---|
501 |
|
---|
502 | if st:
|
---|
503 | context.Result('%d' % sz)
|
---|
504 | return sz
|
---|
505 | else:
|
---|
506 | context.Result('Failed !')
|
---|
507 | return 0
|
---|
508 |
|
---|
509 | #For example, to check wether long is 4 bytes on your platform, you can do:
|
---|
510 | #config.CheckTypeSize('long', size = 4).
|
---|
511 | ## Now check the sizes
|
---|