2 # This script includes generic build options:
3 # release/debug, target os, target arch, cross toolchain, build environment etc
8 print "Inside the Config SConscript"
9 # Map of host os and allowed target os (host: allowed target os)
11 'linux': ['linux', 'android', 'arduino', 'yocto', 'tizen'],
12 'windows': ['windows', 'android', 'arduino', 'tizen'],
13 'darwin': ['darwin', 'ios', 'android', 'arduino'],
16 # Map of os and allowed archs (os: allowed archs)
18 'linux': ['x86', 'x86_64', 'arm', 'arm64'],
19 'android': ['x86', 'x86_64', 'armeabi', 'armeabi-v7a', 'armeabi-v7a-hard', 'arm64-v8a'],
20 'windows': ['x86', 'amd64', 'arm'],
21 'darwin': ['i386', 'x86_64'],
22 'ios': ['i386', 'x86_64', 'armv7', 'armv7s', 'arm64'],
23 'arduino': ['avr', 'arm'],
24 'yocto': ['x86', 'x86_64'],
28 host = platform.system().lower()
30 if not host_target_map.has_key(host):
31 print "\nError: Current system (%s) isn't supported\n" % host
34 ######################################################################
35 # Get build options (the optins from command line)
36 ######################################################################
37 target_os = ARGUMENTS.get('TARGET_OS', host).lower() # target os
39 if target_os not in host_target_map[host]:
40 print "\nError: Unknown target os: %s (Allow values: %s)\n" % (target_os, host_target_map[host])
43 default_arch = platform.machine()
44 if default_arch not in os_arch_map[target_os]:
45 default_arch = os_arch_map[target_os][0].lower()
47 target_arch = ARGUMENTS.get('TARGET_ARCH', default_arch) # target arch
49 ######################################################################
50 # Common build options (release, target os, target arch)
51 ######################################################################
52 help_vars = Variables()
53 help_vars.Add(BoolVariable('RELEASE', 'Build for release?', True)) # set to 'no', 'false' or 0 for debug
54 help_vars.Add(EnumVariable('TARGET_OS', 'Target platform', host, host_target_map[host]))
55 help_vars.Add(ListVariable('TARGET_TRANSPORT', 'Target transport', 'ALL', ['ALL', 'IP', 'BT', 'BLE']))
56 help_vars.Add(EnumVariable('TARGET_ARCH', 'Target architecture', default_arch, os_arch_map[target_os]))
57 help_vars.Add(EnumVariable('SECURED', 'Build with DTLS', '0', allowed_values=('0', '1')))
58 help_vars.Add(EnumVariable('ROUTING', 'Enable routing', 'EP', allowed_values=('GW', 'EP')))
59 help_vars.Add(BoolVariable('WITH_PROXY', 'CoAP-HTTP Proxy', False)) # set to 'no', 'false' or 0 for debug
61 ######################################################################
62 # Platform(build target) specific options: SDK/NDK & toolchain
63 ######################################################################
64 targets_support_cc = ['linux', 'arduino', 'tizen']
66 if target_os in targets_support_cc:
67 # Set cross compile toolchain
68 help_vars.Add('TC_PREFIX', "Toolchain prefix (Generally only be required for cross-compiling)", os.environ.get('TC_PREFIX'))
69 help_vars.Add(PathVariable('TC_PATH',
70 'Toolchain path (Generally only be required for cross-compiling)',
71 os.environ.get('TC_PATH')))
73 if target_os in ['android', 'arduino']: # Android/Arduino always uses GNU compiler regardless of the host
74 env = Environment(variables = help_vars,
75 tools = ['gnulink', 'gcc', 'g++', 'ar', 'as']
78 env = Environment(variables = help_vars, TARGET_ARCH = target_arch, TARGET_OS = target_os)
80 Help(help_vars.GenerateHelpText(env))
83 ************************************ Warning **********************************
84 * Enviornment variable TC_PREFIX/TC_PATH is set. It will change the default *
85 * toolchain, if it isn't what you expect you should unset it, otherwise it may*
86 * cause inexplicable errors. *
87 *******************************************************************************
90 if target_os in targets_support_cc:
91 prefix = env.get('TC_PREFIX')
92 tc_path = env.get('TC_PATH')
94 env.Replace(CC = prefix + 'gcc')
95 env.Replace(CXX = prefix + 'g++')
96 env.Replace(AR = prefix + 'ar')
97 env.Replace(AS = prefix + 'as')
98 env.Replace(LINK = prefix + 'ld')
99 env.Replace(RANLIB = prefix + 'ranlib')
102 env.PrependENVPath('PATH', tc_path)
103 sys_root = os.path.abspath(tc_path + '/../')
104 env.AppendUnique(CCFLAGS = ['--sysroot=' + sys_root])
105 env.AppendUnique(LINKFLAGS = ['--sysroot=' + sys_root])
107 if prefix or tc_path:
110 # Ensure scons be able to change its working directory
111 env.SConscriptChdir(1)
113 # Set the source directory and build directory
114 # Source directory: 'dir'
115 # Build directory: 'dir'/out/<target_os>/<target_arch>/<release or debug>/
117 # You can get the directory as following:
119 # env.get('BUILD_DIR')
121 def __set_dir(env, dir):
122 if not os.path.exists(dir + '/SConstruct'):
124 *************************************** Error *********************************
125 * The directory(%s) seems isn't a source code directory, no SConstruct file is
127 *******************************************************************************
131 if env.get('RELEASE'):
132 build_dir = dir + '/out/' + target_os + '/' + target_arch + '/release/'
134 build_dir = dir + '/out/' + target_os + '/' + target_arch + '/debug/'
135 env.VariantDir(build_dir, dir, duplicate=0)
137 env.Replace(BUILD_DIR = build_dir)
138 env.Replace(SRC_DIR = dir)
140 def __src_to_obj(env, src, home = ''):
141 obj = env.get('BUILD_DIR') + src.replace(home, '')
142 if env.get('OBJSUFFIX'):
143 obj += env.get('OBJSUFFIX')
144 return env.Object(obj, src)
146 def __install(ienv, targets, name):
147 i_n = ienv.Install(env.get('BUILD_DIR'), targets)
149 env.AppendUnique(TS = [name])
151 def __append_target(ienv, target):
152 env.AppendUnique(TS = [target])
154 def __print_targets(env):
156 ===============================================================================
158 for t in env.get('TS'):
161 \nDefault all targets will be built. You can specify the target to build:
163 $ scons [options] [target]
164 ===============================================================================
167 env.AddMethod(__set_dir, 'SetDir')
168 env.AddMethod(__print_targets, 'PrintTargets')
169 env.AddMethod(__src_to_obj, 'SrcToObj')
170 env.AddMethod(__append_target, 'AppendTarget')
171 env.AddMethod(__install, 'InstallTarget')
172 env.SetDir(env.GetLaunchDir())
173 env['ROOT_DIR']=env.GetLaunchDir()
175 env.AppendUnique(CPPDEFINES = ['TB_LOG'])
176 if env.get('ROUTING') == 'GW':
177 env.AppendUnique(CPPDEFINES = ['ROUTING_GATEWAY'])
178 elif env.get('ROUTING') == 'EP':
179 env.AppendUnique(CPPDEFINES = ['ROUTING_EP'])
180 env.AppendUnique(CPPDEFINES = ['__TIZEN__'])
181 if env.get('WITH_PROXY'):
182 env.AppendUnique(CPPDEFINES = ['WITH_CHPROXY'])
186 ######################################################################
187 # Link scons to Yocto cross-toolchain ONLY when target_os is yocto
188 ######################################################################
189 if target_os == "yocto":
191 This code injects Yocto cross-compilation tools+flags into scons'
192 build environment in order to invoke the relevant tools while
197 CC = os.environ['CC']
198 target_prefix = CC.split()[0]
199 target_prefix = target_prefix[:len(target_prefix)-3]
200 tools = {"CC" : target_prefix+"gcc",
201 "CXX" : target_prefix+"g++",
202 "AS" : target_prefix+"as",
203 "LD" : target_prefix+"ld",
204 "GDB" : target_prefix+"gdb",
205 "STRIP" : target_prefix+"strip",
206 "RANLIB" : target_prefix+"ranlib",
207 "OBJCOPY" : target_prefix+"objcopy",
208 "OBJDUMP" : target_prefix+"objdump",
209 "AR" : target_prefix+"ar",
210 "NM" : target_prefix+"nm",
212 "STRINGS": target_prefix+"strings"}
213 PATH = os.environ['PATH'].split(os.pathsep)
215 if tool in os.environ:
217 if os.path.isfile(os.path.join(path, tools[tool])):
218 env[tool] = os.path.join(path, os.environ[tool])
221 print "ERROR in Yocto cross-toolchain environment"
224 Now reset TARGET_OS to linux so that all linux specific build configurations
225 hereupon apply for the entirety of the build process.
227 env['TARGET_OS'] = 'linux'
229 We want to preserve debug symbols to allow BitBake to generate both DEBUG and
230 RELEASE packages for OIC.
232 env['CCFLAGS'].append('-g')
236 If target_os is not Yocto, continue with the regular build process
238 # Load config of target os
239 env.SConscript(target_os + '/SConscript')
241 # Delete the temp files of configuration
242 if env.GetOption('clean'):
243 dir = env.get('SRC_DIR')
245 if os.path.exists(dir + '/config.log'):
246 Execute(Delete(dir + '/config.log'))
247 Execute(Delete(dir + '/.sconsign.dblite'))
248 Execute(Delete(dir + '/.sconf_temp'))