[196] | 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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[199] | 269 | python_cppflags = "-I"+sysconfig.get_python_inc() |
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[196] | 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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[198] | 290 | cppflags = distutils.util.split_quoted(self.python_cppflags) |
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[196] | 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: |
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| 481 | return size |
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| 482 | else: |
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| 483 | return 0 |
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| 484 | else: |
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| 485 | # Only check if the given size is the right one |
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| 486 | context.Message('Checking size of %s ... ' % type) |
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| 487 | |
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| 488 | # Try sensible defaults first |
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| 489 | try: |
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| 490 | szrange = _DEFAULTS[type] |
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| 491 | except KeyError: |
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| 492 | szrange = [] |
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| 493 | szrange.extend(xrange(minsz, maxsz)) |
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| 494 | st = 0 |
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| 495 | |
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| 496 | # Actual test |
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| 497 | for sz in szrange: |
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| 498 | st = context.TryCompile(src % (type, sz), ext) |
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| 499 | if st: |
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| 500 | break |
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| 501 | |
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| 502 | if st: |
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| 503 | context.Result('%d' % sz) |
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| 504 | return sz |
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| 505 | else: |
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| 506 | context.Result('Failed !') |
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| 507 | return 0 |
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| 508 | |
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| 509 | #For example, to check wether long is 4 bytes on your platform, you can do: |
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| 510 | #config.CheckTypeSize('long', size = 4). |
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| 511 | ## Now check the sizes |
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