Current File : //proc/309157/root/home/waritko/build/Bento4/Build/Targets/arm-android-linux/Config.scons
#################################################################
# Important: this build file has been tested with Android NDK 11
# It may or may not work with other releases of the NDK. Please notify
# us if you find a newer NDK for which this does not work.
#################################################################
import os
import re
import sys
import platform
# we need to know when the NDK is
ANDROID_NDK_ROOT=os.getenv('ANDROID_NDK_ROOT')
if not ANDROID_NDK_ROOT:
raise Exception('ANDROID_NDK_ROOT environment variable not set')
# detect the host system on which we're running
if env.has_key('android_host_system') and env['android_host_system']:
ANDROID_HOST_SYSTEM = env['android_host_system']
else:
PLATFORM_TO_TARGET_MAP = {
'linux-i386' : 'linux-x86',
'linux2' : 'linux-x86',
'win32' : 'windows',
'cygwin' : 'windows',
'darwin' : 'darwin-x86_64'
}
if sys.platform in PLATFORM_TO_TARGET_MAP:
ANDROID_HOST_SYSTEM = PLATFORM_TO_TARGET_MAP[sys.platform]
else:
raise Exception('Android Host Platform cannot be determined')
# set defaults
ANDROID_ARCH = 'arm'
ANDROID_PLATFORM = 'android-3'
ANDROID_TOOLCHAIN = 'arm-linux-androideabi-4.9'
ANDROID_CROSS_PREFIX = 'arm-linux-androideabi'
if not os.path.exists(os.path.join(ANDROID_NDK_ROOT, 'platforms', ANDROID_PLATFORM)):
ANDROID_PLATFORM = None
for platform in range(3,100):
platform_string = 'android-'+str(platform)
if os.path.exists(os.path.join(ANDROID_NDK_ROOT, 'platforms', platform_string)):
ANDROID_PLATFORM = platform_string
print 'Auto-selected first available platform:', ANDROID_PLATFORM
break
if not os.path.exists(os.path.join(ANDROID_NDK_ROOT, 'toolchains', ANDROID_TOOLCHAIN)):
toolchain_dirs = os.listdir(ANDROID_NDK_ROOT+'/toolchains')
for toolchain_dir in toolchain_dirs:
if os.path.exists(os.path.join(ANDROID_NDK_ROOT, 'toolchains', toolchain_dir, 'prebuilt', ANDROID_HOST_SYSTEM)):
ANDROID_TOOLCHAIN=toolchain_dir
suffix_pos = toolchain_dir.rfind('-')
if (suffix_pos >= 0):
ANDROID_CROSS_PREFIX = ANDROID_TOOLCHAIN[:suffix_pos]
print "Auto-selecting toolchain:", ANDROID_TOOLCHAIN
break
if not os.path.exists(os.path.join(ANDROID_NDK_ROOT, 'toolchains', ANDROID_TOOLCHAIN)):
raise Exception('No valid Android toolchain found')
# override defaults from command line args
if ARGUMENTS.get('android_toolchain'):
ANDROID_TOOLCHAIN=ARGUMENTS.get('android_toolchain')
if ARGUMENTS.get('android_cross_prefix'):
ANDROID_CROSS_PREFIX=ARGUMENTS.get('android_cross_prefix')
if ARGUMENTS.get('android_platform'):
ANDROID_PLATFORM=ARGUMENTS.get('android_platform')
if ARGUMENTS.get('android_arch'):
ANDROID_ARCH=ARGUMENTS.get('android_arch')
print 'Building for Android: '
print 'ANDROID_HOST_SYSTEM =', ANDROID_HOST_SYSTEM
print 'ANDROID_TOOLCHAIN =', ANDROID_TOOLCHAIN
print 'ANDROID_PLATFORM =', ANDROID_PLATFORM
print 'ANDROID_ARCH =', ANDROID_ARCH
if not os.path.exists(os.path.join(ANDROID_NDK_ROOT, 'platforms', ANDROID_PLATFORM)):
raise Exception('Android platform '+ANDROID_PLATFORM+' not found')
ANDROID_TOOLCHAIN_BIN = ANDROID_NDK_ROOT+'/toolchains/'+ANDROID_TOOLCHAIN+'/prebuilt/'+ANDROID_HOST_SYSTEM+'/bin'
if not os.path.exists(ANDROID_TOOLCHAIN_BIN) and ANDROID_HOST_SYSTEM is 'darwin-x86':
ANDROID_HOST_SYSTEM = 'darwin-x86_64'
ANDROID_TOOLCHAIN_BIN = ANDROID_NDK_ROOT+'/toolchains/'+ANDROID_TOOLCHAIN+'/prebuilt/'+ANDROID_HOST_SYSTEM+'/bin'
ANDROID_SYSROOT = ANDROID_NDK_ROOT+'/platforms/'+ANDROID_PLATFORM+'/arch-'+ANDROID_ARCH
### add the tools to the path
env.PrependENVPath('PATH', ANDROID_TOOLCHAIN_BIN)
### special C Runtime startup for executables
env['AP4_EXTRA_EXECUTABLE_OBJECTS'] = [ANDROID_SYSROOT+'/usr/lib/crtbegin_static.o',
ANDROID_SYSROOT+'/usr/lib/crtend_android.o']
env['AP4_EXTRA_LIBS'] = ['gcc']
### Load the tools
LoadTool('gcc-generic', env, gcc_cross_prefix=ANDROID_CROSS_PREFIX, gcc_strict=False)
env.AppendUnique(CCFLAGS = ['-I'+ANDROID_NDK_ROOT+'/sources/cxx-stl/system/include' ,
'--sysroot', ANDROID_SYSROOT,
'-msoft-float',
'-fpic',
'-mthumb-interwork',
'-ffunction-sections',
'-funwind-tables',
'-fstack-protector',
'-fno-short-enums'])
env.AppendUnique(CXXFLAGS = ['-fno-exceptions', '-fno-rtti'])
env.AppendUnique(CPPDEFINES = ['ANDROID', 'NPT_CONFIG_HAVE_SYSTEM_LOG_CONFIG'])
env.AppendUnique(LINKFLAGS = ['-Bdynamic',
'-Wl,--no-undefined',
'-Wl,-rpath=/system/lib',
'-Wl,--dynamic-linker=/system/bin/linker',
'-Wl,-rpath-link=' + ANDROID_SYSROOT + '/usr/lib',
'-nostdlib',
'-L'+ANDROID_SYSROOT+'/usr/lib',
'-lc',
'-lstdc++',
'-lm',
'-llog',
'-ldl',
'-pie'])
### Don't build a shared library
env['AP4_BUILD_CONFIG_NO_SHARED_LIB'] = True
### System specific choices
env['AP4_SYSTEM_SOURCES'] = {'System/Android':['*.cpp'], 'System/Posix':['*.cpp']}
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