deps/v8/build/android.gypi

   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     'cflags_cc': [ '-Wnon-virtual-dtor', '-fno-rtti', '-fno-exceptions',
  79                    # Note: Using -std=c++0x will define __STRICT_ANSI__, which
  80                    # in turn will leave out some template stuff for 'long
  81                    # long'.  What we want is -std=c++11, but this is not
  82                    # supported by GCC 4.6 or 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           # Note: This include is in cflags to ensure that it comes after
  97           # all of the includes.
  98           '-I<(android_include)',
  99         ],
 100         'cflags_cc': [
 101           '-Wno-error=non-virtual-dtor',  # TODO(michaelbai): Fix warnings.
 102         ],
 103         'defines': [
 104           'ANDROID',
 105           #'__GNU_SOURCE=1',  # Necessary for clone()
 106           'USE_STLPORT=1',
 107           '_STLP_USE_PTR_SPECIALIZATIONS=1',
 108           'HAVE_OFF64_T',
 109           'HAVE_SYS_UIO_H',
 110           'ANDROID_BINSIZE_HACK', # Enable temporary hacks to reduce binsize.
 111         ],
 112         'ldflags!': [
 113           '-pthread',  # Not supported by Android toolchain.
 114         ],
 115         'ldflags': [
 116           '-nostdlib',
 117           '-Wl,--no-undefined',
 118         ],
 119         'libraries!': [
 120             '-lrt',  # librt is built into Bionic.
 121             # Not supported by Android toolchain.
 122             # Where do these come from?  Can't find references in
 123             # any Chromium gyp or gypi file.  Maybe they come from
 124             # gyp itself?
 125             '-lpthread', '-lnss3', '-lnssutil3', '-lsmime3', '-lplds4', '-lplc4', '-lnspr4',
 126           ],
 127           'libraries': [
 128             '-l<(android_stlport_library)',
 129             # Manually link the libgcc.a that the cross compiler uses.
 130             '<!($CC -print-libgcc-file-name)',
 131             '-lc',
 132             '-ldl',
 133             '-lstdc++',
 134             '-lm',
 135         ],
 136         'conditions': [
 137           ['android_webview_build==0', {
 138             'ldflags': [
 139               '-Wl,-rpath-link=<(android_lib)',
 140               '-L<(android_lib)',
 141             ],
 142           }],
 143           ['target_arch == "arm"', {
 144             'ldflags': [
 145               # Enable identical code folding to reduce size.
 146               '-Wl,--icf=safe',
 147             ],
 148           }],
 149           ['target_arch=="arm" and arm_version==7', {
 150             'cflags': [
 151               '-march=armv7-a',
 152               '-mtune=cortex-a8',
 153               '-mfpu=vfp3',
 154             ],
 155           }],
 156           # NOTE: The stlport header include paths below are specified in
 157           # cflags rather than include_dirs because they need to come
 158           # after include_dirs. Think of them like system headers, but
 159           # don't use '-isystem' because the arm-linux-androideabi-4.4.3
 160           # toolchain (circa Gingerbread) will exhibit strange errors.
 161           # The include ordering here is important; change with caution.
 162           ['use_system_stlport==0', {
 163             'cflags': [
 164               '-I<(android_stlport_include)',
 165             ],
 166             'conditions': [
 167               ['target_arch=="arm" and arm_version==7', {
 168                 'ldflags': [
 169                   '-L<(android_stlport_libs)/armeabi-v7a',
 170                 ],
 171               }],
 172               ['target_arch=="arm" and arm_version < 7', {
 173                 'ldflags': [
 174                   '-L<(android_stlport_libs)/armeabi',
 175                 ],
 176               }],
 177               ['target_arch=="mipsel"', {
 178                 'ldflags': [
 179                   '-L<(android_stlport_libs)/mips',
 180                 ],
 181               }],
 182               ['target_arch=="ia32" or target_arch=="x87"', {
 183                 'ldflags': [
 184                   '-L<(android_stlport_libs)/x86',
 185                 ],
 186               }],
 187               ['target_arch=="x64"', {
 188                 'ldflags': [
 189                   '-L<(android_stlport_libs)/x86_64',
 190                 ],
 191               }],
 192               ['target_arch=="arm64"', {
 193                 'ldflags': [
 194                   '-L<(android_stlport_libs)/arm64-v8a',
 195                 ],
 196               }],
 197             ],
 198           }],
 199           ['target_arch=="ia32" or target_arch=="x87"', {
 200             # The x86 toolchain currently has problems with stack-protector.
 201             'cflags!': [
 202               '-fstack-protector',
 203             ],
 204             'cflags': [
 205               '-fno-stack-protector',
 206             ],
 207           }],
 208           ['target_arch=="mipsel"', {
 209             # The mips toolchain currently has problems with stack-protector.
 210             'cflags!': [
 211               '-fstack-protector',
 212               '-U__linux__'
 213             ],
 214             'cflags': [
 215               '-fno-stack-protector',
 216             ],
 217           }],
 218           ['(target_arch=="arm" or target_arch=="arm64" or target_arch=="x64") and component!="shared_library"', {
 219             'cflags': [
 220               '-fPIE',
 221             ],
 222             'ldflags': [
 223               '-pie',
 224             ],
 225           }],
 226         ],
 227         'target_conditions': [
 228           ['_type=="executable"', {
 229             'conditions': [
 230               ['target_arch=="arm64"', {
 231                 'ldflags': [
 232                   '-Wl,-dynamic-linker,/system/bin/linker64',
 233                 ],
 234               }, {
 235                 'ldflags': [
 236                   '-Wl,-dynamic-linker,/system/bin/linker',
 237                 ],
 238               }]
 239             ],
 240             'ldflags': [
 241               '-Bdynamic',
 242               '-Wl,-z,nocopyreloc',
 243               # crtbegin_dynamic.o should be the last item in ldflags.
 244               '<(android_lib)/crtbegin_dynamic.o',
 245             ],
 246             'libraries': [
 247               # crtend_android.o needs to be the last item in libraries.
 248               # Do not add any libraries after this!
 249               '<(android_lib)/crtend_android.o',
 250             ],
 251           }],
 252           ['_type=="shared_library"', {
 253             'ldflags': [
 254               '-Wl,-shared,-Bsymbolic',
 255               '<(android_lib)/crtbegin_so.o',
 256             ],
 257           }],
 258           ['_type=="static_library"', {
 259             'ldflags': [
 260               # Don't export symbols from statically linked libraries.
 261               '-Wl,--exclude-libs=ALL',
 262             ],
 263           }],
 264         ],
 265       }],  # _toolset=="target"
 266       # Settings for building host targets using the system toolchain.
 267       ['_toolset=="host"', {
 268         'cflags': [ '-pthread' ],
 269         'ldflags': [ '-pthread' ],
 270         'ldflags!': [
 271           '-Wl,-z,noexecstack',
 272           '-Wl,--gc-sections',
 273           '-Wl,-O1',
 274           '-Wl,--as-needed',
 275         ],
 276       }],
 277     ],  # target_conditions
 278   },  # target_defaults
 279 }