1# Copyright 2012 the V8 project authors. All rights reserved. 2# Redistribution and use in source and binary forms, with or without 3# modification, are permitted provided that the following conditions are 4# met: 5# 6# * Redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer. 8# * Redistributions in binary form must reproduce the above 9# copyright notice, this list of conditions and the following 10# disclaimer in the documentation and/or other materials provided 11# with the distribution. 12# * Neither the name of Google Inc. nor the names of its 13# contributors may be used to endorse or promote products derived 14# from this software without specific prior written permission. 15# 16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28# Definitions for building standalone V8 binaries to run on Android. 29# This is mostly excerpted from: 30# http://src.chromium.org/viewvc/chrome/trunk/src/build/common.gypi 31 32{ 33 'variables': { 34 # Location of Android NDK. 35 'variables': { 36 'android_ndk_root%': '<!(/bin/echo -n $ANDROID_NDK_ROOT)', 37 'android_toolchain%': '<!(/bin/echo -n $ANDROID_TOOLCHAIN)', 38 }, 39 'conditions': [ 40 ['android_ndk_root==""', { 41 'variables': { 42 'android_sysroot': '<(android_toolchain)/sysroot/', 43 'android_stlport': '<(android_toolchain)/sources/cxx-stl/stlport/', 44 }, 45 'android_include': '<(android_sysroot)/usr/include', 46 'android_lib': '<(android_sysroot)/usr/lib', 47 'android_stlport_include': '<(android_stlport)/stlport', 48 'android_stlport_libs': '<(android_stlport)/libs', 49 }, { 50 'variables': { 51 'android_sysroot': '<(android_ndk_root)/platforms/android-<(android_target_platform)/arch-<(android_target_arch)', 52 'android_stlport': '<(android_ndk_root)/sources/cxx-stl/stlport/', 53 }, 54 'android_include': '<(android_sysroot)/usr/include', 55 'android_lib': '<(android_sysroot)/usr/lib', 56 'android_stlport_include': '<(android_stlport)/stlport', 57 'android_stlport_libs': '<(android_stlport)/libs', 58 }], 59 ], 60 # Enable to use the system stlport, otherwise statically 61 # link the NDK one? 62 'use_system_stlport%': '<(android_webview_build)', 63 'android_stlport_library': 'stlport_static', 64 }, # variables 65 'target_defaults': { 66 'defines': [ 67 'ANDROID', 68 'V8_ANDROID_LOG_STDOUT', 69 ], 70 'configurations': { 71 'Release': { 72 'cflags': [ 73 '-fomit-frame-pointer', 74 ], 75 }, # Release 76 }, # configurations 77 'cflags': [ '-Wno-abi', '-Wall', '-W', '-Wno-unused-parameter', 78 '-Wnon-virtual-dtor', '-fno-rtti', '-fno-exceptions', 79 # Note: Using -std=c++0x will define __STRICT_ANSI__, which in 80 # turn will leave out some template stuff for 'long long'. What 81 # we want is -std=c++11, but this is not supported by GCC 4.6 or 82 # Xcode 4.2 83 '-std=gnu++0x' ], 84 'target_conditions': [ 85 ['_toolset=="target"', { 86 'cflags!': [ 87 '-pthread', # Not supported by Android toolchain. 88 ], 89 'cflags': [ 90 '-ffunction-sections', 91 '-funwind-tables', 92 '-fstack-protector', 93 '-fno-short-enums', 94 '-finline-limit=64', 95 '-Wa,--noexecstack', 96 '-Wno-error=non-virtual-dtor', # TODO(michaelbai): Fix warnings. 97 # Note: This include is in cflags to ensure that it comes after 98 # all of the includes. 99 '-I<(android_include)', 100 ], 101 'defines': [ 102 'ANDROID', 103 #'__GNU_SOURCE=1', # Necessary for clone() 104 'USE_STLPORT=1', 105 '_STLP_USE_PTR_SPECIALIZATIONS=1', 106 'HAVE_OFF64_T', 107 'HAVE_SYS_UIO_H', 108 'ANDROID_BINSIZE_HACK', # Enable temporary hacks to reduce binsize. 109 ], 110 'ldflags!': [ 111 '-pthread', # Not supported by Android toolchain. 112 ], 113 'ldflags': [ 114 '-nostdlib', 115 '-Wl,--no-undefined', 116 ], 117 'libraries!': [ 118 '-lrt', # librt is built into Bionic. 119 # Not supported by Android toolchain. 120 # Where do these come from? Can't find references in 121 # any Chromium gyp or gypi file. Maybe they come from 122 # gyp itself? 123 '-lpthread', '-lnss3', '-lnssutil3', '-lsmime3', '-lplds4', '-lplc4', '-lnspr4', 124 ], 125 'libraries': [ 126 '-l<(android_stlport_library)', 127 # Manually link the libgcc.a that the cross compiler uses. 128 '<!($CC -print-libgcc-file-name)', 129 '-lc', 130 '-ldl', 131 '-lstdc++', 132 '-lm', 133 ], 134 'conditions': [ 135 ['android_webview_build==0', { 136 'ldflags': [ 137 '-Wl,-rpath-link=<(android_lib)', 138 '-L<(android_lib)', 139 ], 140 }], 141 ['target_arch == "arm"', { 142 'ldflags': [ 143 # Enable identical code folding to reduce size. 144 '-Wl,--icf=safe', 145 ], 146 }], 147 ['target_arch=="arm" and arm_version==7', { 148 'cflags': [ 149 '-march=armv7-a', 150 '-mtune=cortex-a8', 151 '-mfpu=vfp3', 152 ], 153 }], 154 # NOTE: The stlport header include paths below are specified in 155 # cflags rather than include_dirs because they need to come 156 # after include_dirs. Think of them like system headers, but 157 # don't use '-isystem' because the arm-linux-androideabi-4.4.3 158 # toolchain (circa Gingerbread) will exhibit strange errors. 159 # The include ordering here is important; change with caution. 160 ['use_system_stlport==0', { 161 'cflags': [ 162 '-I<(android_stlport_include)', 163 ], 164 'conditions': [ 165 ['target_arch=="arm" and arm_version==7', { 166 'ldflags': [ 167 '-L<(android_stlport_libs)/armeabi-v7a', 168 ], 169 }], 170 ['target_arch=="arm" and arm_version < 7', { 171 'ldflags': [ 172 '-L<(android_stlport_libs)/armeabi', 173 ], 174 }], 175 ['target_arch=="mipsel"', { 176 'ldflags': [ 177 '-L<(android_stlport_libs)/mips', 178 ], 179 }], 180 ['target_arch=="ia32" or target_arch=="x87"', { 181 'ldflags': [ 182 '-L<(android_stlport_libs)/x86', 183 ], 184 }], 185 ['target_arch=="x64"', { 186 'ldflags': [ 187 '-L<(android_stlport_libs)/x86_64', 188 ], 189 }], 190 ['target_arch=="arm64"', { 191 'ldflags': [ 192 '-L<(android_stlport_libs)/arm64-v8a', 193 ], 194 }], 195 ], 196 }], 197 ['target_arch=="ia32" or target_arch=="x87"', { 198 # The x86 toolchain currently has problems with stack-protector. 199 'cflags!': [ 200 '-fstack-protector', 201 ], 202 'cflags': [ 203 '-fno-stack-protector', 204 ], 205 }], 206 ['target_arch=="mipsel"', { 207 # The mips toolchain currently has problems with stack-protector. 208 'cflags!': [ 209 '-fstack-protector', 210 '-U__linux__' 211 ], 212 'cflags': [ 213 '-fno-stack-protector', 214 ], 215 }], 216 ['target_arch=="arm64" or target_arch=="x64"', { 217 # TODO(ulan): Enable PIE for other architectures (crbug.com/373219). 218 'cflags': [ 219 '-fPIE', 220 ], 221 'ldflags': [ 222 '-pie', 223 ], 224 }], 225 ], 226 'target_conditions': [ 227 ['_type=="executable"', { 228 'conditions': [ 229 ['target_arch=="arm64"', { 230 'ldflags': [ 231 '-Wl,-dynamic-linker,/system/bin/linker64', 232 ], 233 }, { 234 'ldflags': [ 235 '-Wl,-dynamic-linker,/system/bin/linker', 236 ], 237 }] 238 ], 239 'ldflags': [ 240 '-Bdynamic', 241 '-Wl,-z,nocopyreloc', 242 # crtbegin_dynamic.o should be the last item in ldflags. 243 '<(android_lib)/crtbegin_dynamic.o', 244 ], 245 'libraries': [ 246 # crtend_android.o needs to be the last item in libraries. 247 # Do not add any libraries after this! 248 '<(android_lib)/crtend_android.o', 249 ], 250 }], 251 ['_type=="shared_library"', { 252 'ldflags': [ 253 '-Wl,-shared,-Bsymbolic', 254 '<(android_lib)/crtbegin_so.o', 255 ], 256 }], 257 ['_type=="static_library"', { 258 'ldflags': [ 259 # Don't export symbols from statically linked libraries. 260 '-Wl,--exclude-libs=ALL', 261 ], 262 }], 263 ], 264 }], # _toolset=="target" 265 # Settings for building host targets using the system toolchain. 266 ['_toolset=="host"', { 267 'cflags': [ '-pthread' ], 268 'ldflags': [ '-pthread' ], 269 'ldflags!': [ 270 '-Wl,-z,noexecstack', 271 '-Wl,--gc-sections', 272 '-Wl,-O1', 273 '-Wl,--as-needed', 274 ], 275 }], 276 ], # target_conditions 277 }, # target_defaults 278} 279