2 # This script includes android specific config (GNU GCC)
9 SConscript('../external_libs.scons')
10 SConscript('../../extlibs/android/ndk/SConscript')
11 SConscript('../../extlibs/android/gradle/SConscript')
12 SConscript('../../extlibs/android/sdk/SConscript')
14 help_vars = Variables()
15 help_vars.Add(PathVariable('ANDROID_GRADLE', 'Android Gradle directory', os.path.join(env.get('SRC_DIR'), 'extlibs', 'android', 'gradle', 'gradle-2.2.1/bin/gradle')))
16 help_vars.Add(PathVariable('ANDROID_NDK', 'Android NDK root directory', os.path.join(env.get('SRC_DIR'), 'extlibs', 'android', 'ndk', 'android-ndk-r10d')))
18 if env.get('ANDROID_NDK'):
19 android_ndk = env.get('ANDROID_NDK')
22 *************************************** Info **********************************
23 * Android NDK path isn't set, the default will be used. You can set *
24 * environment variable ANDROID_NDK or add it in command line as: *
25 * # scons ANDROID_NDK=<path to android NDK> ... *
26 *******************************************************************************
28 android_ndk = os.path.join(env.get('SRC_DIR'), 'extlibs', 'android', 'ndk', 'android-ndk-r10d')
30 if env.get('ANDROID_GRADLE'):
31 android_gradle = env.get('ANDROID_GRADLE')
34 *************************************** Info **********************************
35 * Android Gradle path isn't set, the default will be used. You can set *
36 * environment variable ANDROID_GRADLE or add it in command line as: *
37 * # scons ANDROID_GRADLE=<path to android GRADLE> ... *
38 *******************************************************************************
40 android_gradle = os.path.join(env.get('SRC_DIR'), 'extlibs', 'android', 'gradle', 'gradle-2.2.1', 'bin', 'gradle')
43 Help(help_vars.GenerateHelpText(env))
44 src_dir = env.get('SRC_DIR')
46 # Overwrite suffixes and prefixes
47 if env['HOST_OS'] == 'win32':
48 env['OBJSUFFIX'] = '.o'
49 env['SHOBJSUFFIX'] = '.os'
50 env['LIBPREFIX'] = 'lib'
51 env['LIBSUFFIX'] = '.a'
52 env['SHLIBPREFIX'] = 'lib'
53 env['SHLIBSUFFIX'] = '.so'
54 env['LIBPREFIXES'] = ['lib']
55 env['LIBSUFFIXES'] = ['.a', '.so']
56 env['PROGSUFFIX'] = ''
57 elif platform.system().lower() == 'darwin':
58 env['SHLIBSUFFIX'] = '.so'
59 env['LIBSUFFIXES'] = ['.a', '.so']
60 env['PROGSUFFIX'] = ''
62 ######################################################################
64 ######################################################################
66 # Android build system default cofig
67 env.AppendUnique(CPPDEFINES = ['ANDROID'])
68 env.AppendUnique(CFLAGS = ['-std=c99'])
69 env.AppendUnique(SHCFLAGS = ['-Wa,--noexecstack'])
70 env.AppendUnique(LINKFLAGS = ['-Wl,--gc-sections', '-Wl,-z,nocopyreloc'])
72 ######################################################################
73 # Probe Android NDK default flags
74 ######################################################################
75 ndk_build_cmd = android_ndk + '/ndk-build'
76 if env['HOST_OS'] == 'win32':
77 if os.path.isfile(ndk_build_cmd + '.cmd'):
78 ndk_build_cmd += '.cmd'
80 if not os.path.isfile(ndk_build_cmd):
82 *************************************** Error *********************************
83 * It seems android ndk path is not set properly, please check if "%s"
84 * is the root directory of android ndk. *
85 *******************************************************************************
89 # ANDROID_HOME build option
90 help_vars = Variables()
91 help_vars.Add(PathVariable('ANDROID_HOME', 'ANDROID SDK root directory', os.environ.get('ANDROID_HOME')))
93 Help(help_vars.GenerateHelpText(env))
96 *************************************** Info **********************************
97 * Environment variable ANDROID_HOME will use default value. To override *
98 * root directory of android sdk, please specify ANDROID_HOME as follows: *
99 * scons ANDROID_HOME= <path to Android SDK> *
100 *******************************************************************************
103 target_arch = env.get('TARGET_ARCH')
105 # Android ndk early version doesn't support C++11. Detect the toolchain version
106 # to make sure proper toolchain is used
107 for tc_ver in ['4.7', '4.8', '4.9', '']:
108 if os.path.exists(android_ndk + '/toolchains/x86-' + tc_ver):
111 cmd = [ndk_build_cmd]
112 cmd.append('APP_ABI=' + target_arch)
113 cmd.append('APP_PLATFORM=android-21')
114 cmd.append('APP_STL=gnustl_shared')
115 if env.get('RELEASE'):
116 cmd.append('APP_OPTIM=release')
118 cmd.append('APP_OPTIM=debug')
120 cmd.append('NDK_TOOLCHAIN_VERSION=' + tc_ver)
123 *************************************** Warning *******************************
124 * To support C++11, the toolchain should be >= 4.7, please make sure your *
125 * android NDK is at least r8e! *
126 *******************************************************************************
131 p = subprocess.Popen(cmd, stdout = subprocess.PIPE)
133 for flags in p.stdout.readlines():
134 if cmp(flags[0:10], 'TC_PREFIX=') == 0: # toolchain prefix (include path)
135 prefix = flags[10:].strip()
136 env.Replace(CC = prefix + 'gcc')
137 env.Replace(CXX = prefix + 'g++')
138 env.Replace(AR = prefix + 'ar')
139 env.Replace(RANLIB = prefix + 'ranlib')
141 elif cmp(flags[0:7], 'CFLAGS=') == 0:
142 env.AppendUnique(CFLAGS = Split(flags[7:]))
144 elif cmp(flags[0:9], 'CXXFLAGS=') == 0:
145 env.AppendUnique(CXXFLAGS = Split(flags[9:]))
147 elif cmp(flags[0:8], 'CPPPATH=') == 0:
148 env.AppendUnique(CPPPATH = Split(flags[8:]))
150 elif cmp(flags[0:8], 'SYSROOT=') == 0:
151 sysroot = flags[8:].strip()
152 env.AppendUnique(LINKFLAGS = ['--sysroot=' + sysroot])
154 elif cmp(flags[0:8], 'LDFLAGS=') == 0:
155 env.AppendUnique(LINKFLAGS = Split(flags[8:]))
157 elif cmp(flags[0:7], 'TC_VER=') == 0: # set gnustl library path
158 ver = flags[7:].strip()
159 stl_path = android_ndk + '/sources/cxx-stl/gnu-libstdc++/' + ver + '/libs/' + target_arch
160 if target_arch in ['armeabi', 'armeabi-v7a', 'armeabi-v7a-hard']:
161 stl_path = stl_path + '/thumb/'
163 env.AppendUnique(LIBPATH = [stl_path])
164 env.Install(env.get('BUILD_DIR'), stl_path + '/libgnustl_shared.so')
166 elif cmp(flags[0:9], 'PLATFORM=') == 0: # get target platform: android-x
167 platform_ver = flags[9+8:].strip()
168 if not platform_ver.isdigit():
172 elif cmp(flags[0:9], 'PLATFORM=') == 0: # get target platform: android-x
173 platform_ver = flags[9+8:].strip()
174 if not platform_ver.isdigit():
178 elif cmp(flags[0:9], 'PLATFORM=') == 0: # get target platform: android-x
179 platform_ver = flags[9+8:].strip()
180 if not platform_ver.isdigit():
183 # Determine dependency faux SYS_ROOT
184 dep_sys_root = os.path.join(env.get('SRC_DIR'), 'dep', 'android', target_arch, 'usr')
185 dep_src_dir = os.path.join(dep_sys_root, 'include')
186 dep_lib_dir = os.path.join(dep_sys_root, 'lib')
188 env['DEP_SYS_ROOT'] = dep_sys_root
190 # Add external libraries including boost
191 env.AppendUnique(CPPPATH = [ dep_src_dir ])
192 env.AppendUnique(LIBPATH = [ dep_lib_dir ])
194 ######################################################################
195 # Set release/debug flags
196 ######################################################################
197 if env.get('RELEASE'):
198 env.AppendUnique(CCFLAGS = ['-Os'])
199 env.AppendUnique(CPPDEFINES = ['NDEBUG'])
200 env.AppendUnique(LINKFLAGS = ['-s'])
202 env.AppendUnique(CCFLAGS = ['-g'])
204 if env.get('LOGGING'):
205 env.AppendUnique(CPPDEFINES = ['TB_LOG'])
208 env.AppendUnique(CPPDEFINES = ['WITH_POSIX', '__ANDROID__'])
209 env.AppendUnique(CCFLAGS = ['-Wall', '-fPIC'])
210 #env.AppendUnique(LINKFLAGS = ['-ldl', '-lpthread'])
212 env.AppendUnique(LIBPATH = [env.get('BUILD_DIR')])
213 env.AppendUnique(LIBPATH = [src_dir + '/resource/csdk/connectivity/lib/android'])
214 env.AppendUnique(LIBS = ['log', 'coap'])
216 if env.get('SECURED') == '1':
217 env.AppendUnique(LIBS = ['tinydtls'])
219 # From android-5 (API > 20), all application must be built with flags '-fPIE' '-pie'.
220 # Due to the limitation of Scons, it's required to added it into the command line
221 # directly (otherwise, it will also be added when build share library)
222 env.Replace(CCCOM = '$CC -o $TARGET -c $CFLAGS $CCFLAGS $_CCCOMCOM -fPIE $SOURCES')
223 env.Replace(CXXCOM = '$CXX -o $TARGET -c $CXXFLAGS $CCFLAGS $_CCCOMCOM -fPIE $SOURCES')
224 env.Replace(LINKCOM = '$LINK -o $TARGET -pie $LINKFLAGS $__RPATH $SOURCES $_LIBDIRFLAGS $_LIBFLAGS')
226 # Fix android-ndk compatibility issue, make applications build on new NDK can run on old platform
227 if platform_ver == '' or int(platform_ver) > 20:
228 SConscript('compatibility/c_compat.scons')
230 SConscript('compatibility/cpp11_compat.scons')
232 # Make sure that boost for android is available
233 SConscript(env.get('SRC_DIR') + '/extlibs/boost/SConscript')
234 SConscript(env.get('SRC_DIR') + '/extlibs/expat/SConscript')