1 ####################################################################### 2 # Top-level SConstruct 3 # 4 # For example, invoke scons as 5 # 6 # scons build=debug llvm=yes machine=x86 7 # 8 # to set configuration variables. Or you can write those options to a file 9 # named config.py: 10 # 11 # # config.py 12 # build='debug' 13 # llvm=True 14 # machine='x86' 15 # 16 # Invoke 17 # 18 # scons -h 19 # 20 # to get the full list of options. See scons manpage for more info. 21 # 22 23 import os 24 import os.path 25 import sys 26 import SCons.Util 27 28 import common 29 30 ####################################################################### 31 # Configuration options 32 33 opts = Variables('config.py') 34 common.AddOptions(opts) 35 36 env = Environment( 37 options = opts, 38 tools = ['gallium'], 39 toolpath = ['#scons'], 40 ENV = os.environ, 41 ) 42 43 # XXX: This creates a many problems as it saves... 44 #opts.Save('config.py', env) 45 46 # Backwards compatability with old target configuration variable 47 try: 48 targets = ARGUMENTS['targets'] 49 except KeyError: 50 pass 51 else: 52 targets = targets.split(',') 53 print('scons: warning: targets option is deprecated; pass the targets on their own such as') 54 print() 55 print(' scons %s' % ' '.join(targets)) 56 print() 57 COMMAND_LINE_TARGETS.append(targets) 58 59 60 Help(opts.GenerateHelpText(env)) 61 62 ####################################################################### 63 # Environment setup 64 65 with open("VERSION") as f: 66 mesa_version = f.read().strip() 67 env.Append(CPPDEFINES = [ 68 ('PACKAGE_VERSION', '\\"%s\\"' % mesa_version), 69 ('PACKAGE_BUGREPORT', '\\"https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa\\"'), 70 ]) 71 72 # Includes 73 env.Prepend(CPPPATH = [ 74 '#/include', 75 ]) 76 env.Append(CPPPATH = [ 77 '#/src/gallium/include', 78 '#/src/gallium/auxiliary', 79 '#/src/gallium/drivers', 80 '#/src/gallium/winsys', 81 ]) 82 83 # for debugging 84 #print env.Dump() 85 86 87 # Add a check target for running tests 88 check = env.Alias('check') 89 env.AlwaysBuild(check) 90 91 92 ####################################################################### 93 # Invoke host SConscripts 94 # 95 # For things that are meant to be run on the native host build machine, instead 96 # of the target machine. 97 # 98 99 # Create host environent 100 if env['crosscompile'] and not env['embedded']: 101 host_env = Environment( 102 options = opts, 103 # no tool used 104 tools = [], 105 toolpath = ['#scons'], 106 ENV = os.environ, 107 ) 108 109 # Override options 110 host_env['platform'] = common.host_platform 111 host_env['machine'] = common.host_machine 112 host_env['toolchain'] = 'default' 113 host_env['llvm'] = False 114 115 host_env.Tool('gallium') 116 117 host_env['hostonly'] = True 118 assert host_env['crosscompile'] == False 119 120 target_env = env 121 env = host_env 122 Export('env') 123 124 SConscript( 125 'src/SConscript', 126 variant_dir = host_env['build_dir'], 127 duplicate = 0, # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html 128 ) 129 130 env = target_env 131 132 Export('env') 133 134 ####################################################################### 135 # Invoke SConscripts 136 137 # TODO: Build several variants at the same time? 138 # http://www.scons.org/wiki/SimultaneousVariantBuilds 139 140 SConscript( 141 'src/SConscript', 142 variant_dir = env['build_dir'], 143 duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html 144 ) 145 146 147 ######################################################################## 148 # List all aliases 149 150 try: 151 from SCons.Node.Alias import default_ans 152 except ImportError: 153 pass 154 else: 155 aliases = sorted(default_ans.keys()) 156 env.Help('\n') 157 env.Help('Recognized targets:\n') 158 for alias in aliases: 159 env.Help(' %s\n' % alias) 160
