# Copyright 2012 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Definitions for building standalone V8 binaries to run on Android.
# This is mostly excerpted from:
# http://src.chromium.org/viewvc/chrome/trunk/src/build/common.gypi
{
'variables': {
# Location of Android NDK.
'variables': {
'variables': {
'android_ndk_root%': '<!(/bin/echo -n $ANDROID_NDK_ROOT)',
'android_target_arch%': 'arm', # target_arch in android terms.
# Switch between different build types, currently only '0' is
# supported.
'android_build_type%': 0,
},
'android_ndk_root%': '<(android_ndk_root)',
'android_ndk_sysroot': '<(android_ndk_root)/platforms/android-9/arch-<(android_target_arch)',
'android_build_type%': '<(android_build_type)',
},
'android_ndk_root%': '<(android_ndk_root)',
'android_ndk_sysroot': '<(android_ndk_sysroot)',
'android_ndk_include': '<(android_ndk_sysroot)/usr/include',
'android_ndk_lib': '<(android_ndk_sysroot)/usr/lib',
# Enable to use the system stlport, otherwise statically
# link the NDK one?
'use_system_stlport%': '<(android_build_type)',
'android_stlport_library': 'stlport_static',
# Copy it out one scope.
'android_build_type%': '<(android_build_type)',
'OS': 'android',
'target_arch': 'arm',
'v8_target_arch': 'arm',
'armv7': 1,
'arm_neon': 0,
'arm_fpu': 'vfpv3',
}, # variables
'target_defaults': {
'defines': [
'ANDROID',
'V8_ANDROID_LOG_STDOUT',
],
'configurations': {
'Release': {
'cflags!': [
'-O2',
'-Os',
],
'cflags': [
'-fdata-sections',
'-ffunction-sections',
'-fomit-frame-pointer',
'-O3',
],
}, # Release
}, # configurations
'cflags': [ '-Wno-abi', '-Wall', '-W', '-Wno-unused-parameter',
'-Wnon-virtual-dtor', '-fno-rtti', '-fno-exceptions', ],
'target_conditions': [
['_toolset=="target"', {
'cflags!': [
'-pthread', # Not supported by Android toolchain.
],
'cflags': [
'-U__linux__', # Don't allow toolchain to claim -D__linux__
'-ffunction-sections',
'-funwind-tables',
'-fstack-protector',
'-fno-short-enums',
'-finline-limit=64',
'-Wa,--noexecstack',
'-Wno-error=non-virtual-dtor', # TODO(michaelbai): Fix warnings.
# Note: This include is in cflags to ensure that it comes after
# all of the includes.
'-I<(android_ndk_include)',
'-march=armv7-a',
'-mtune=cortex-a8',
'-mfpu=vfp3',
],
'defines': [
'ANDROID',
#'__GNU_SOURCE=1', # Necessary for clone()
'USE_STLPORT=1',
'_STLP_USE_PTR_SPECIALIZATIONS=1',
'HAVE_OFF64_T',
'HAVE_SYS_UIO_H',
'ANDROID_BINSIZE_HACK', # Enable temporary hacks to reduce binsize.
],
'ldflags!': [
'-pthread', # Not supported by Android toolchain.
],
'ldflags': [
'-nostdlib',
'-Wl,--no-undefined',
'-Wl,--icf=safe', # Enable identical code folding to reduce size
# Don't export symbols from statically linked libraries.
'-Wl,--exclude-libs=ALL',
],
'libraries!': [
'-lrt', # librt is built into Bionic.
# Not supported by Android toolchain.
# Where do these come from? Can't find references in
# any Chromium gyp or gypi file. Maybe they come from
# gyp itself?
'-lpthread', '-lnss3', '-lnssutil3', '-lsmime3', '-lplds4', '-lplc4', '-lnspr4',
],
'libraries': [
'-l<(android_stlport_library)',
# Manually link the libgcc.a that the cross compiler uses.
'<!($CC -print-libgcc-file-name)',
'-lc',
'-ldl',
'-lstdc++',
'-lm',
],
'conditions': [
['android_build_type==0', {
'ldflags': [
'-Wl,-rpath-link=<(android_ndk_lib)',
'-L<(android_ndk_lib)',
],
}],
# NOTE: The stlport header include paths below are specified in
# cflags rather than include_dirs because they need to come
# after include_dirs. Think of them like system headers, but
# don't use '-isystem' because the arm-linux-androideabi-4.4.3
# toolchain (circa Gingerbread) will exhibit strange errors.
# The include ordering here is important; change with caution.
['use_system_stlport==0', {
'cflags': [
'-I<(android_ndk_root)/sources/cxx-stl/stlport/stlport',
],
'conditions': [
['target_arch=="arm" and armv7==1', {
'ldflags': [
'-L<(android_ndk_root)/sources/cxx-stl/stlport/libs/armeabi-v7a',
],
}],
['target_arch=="arm" and armv7==0', {
'ldflags': [
'-L<(android_ndk_root)/sources/cxx-stl/stlport/libs/armeabi',
],
}],
['target_arch=="ia32"', {
'ldflags': [
'-L<(android_ndk_root)/sources/cxx-stl/stlport/libs/x86',
],
}],
],
}],
['target_arch=="ia32"', {
# The x86 toolchain currently has problems with stack-protector.
'cflags!': [
'-fstack-protector',
],
'cflags': [
'-fno-stack-protector',
],
}],
],
'target_conditions': [
['_type=="executable"', {
'ldflags': [
'-Bdynamic',
'-Wl,-dynamic-linker,/system/bin/linker',
'-Wl,--gc-sections',
'-Wl,-z,nocopyreloc',
# crtbegin_dynamic.o should be the last item in ldflags.
'<(android_ndk_lib)/crtbegin_dynamic.o',
],
'libraries': [
# crtend_android.o needs to be the last item in libraries.
# Do not add any libraries after this!
'<(android_ndk_lib)/crtend_android.o',
],
}],
['_type=="shared_library"', {
'ldflags': [
'-Wl,-shared,-Bsymbolic',
],
}],
],
}], # _toolset=="target"
# Settings for building host targets using the system toolchain.
['_toolset=="host"', {
'cflags': [ '-m32', '-pthread' ],
'ldflags': [ '-m32', '-pthread' ],
'ldflags!': [
'-Wl,-z,noexecstack',
'-Wl,--gc-sections',
'-Wl,-O1',
'-Wl,--as-needed',
],
}],
], # target_conditions
}, # target_defaults
}