src/v8/build/android.gypi

   1 # Copyright 2012 the V8 project authors. All rights reserved.
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   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
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  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
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  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 }