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 'variables': { 37 'android_ndk_root%': '<!(/bin/echo -n $ANDROID_NDK_ROOT)', 38 'android_target_arch%': 'arm', # target_arch in android terms. 39 40 # Switch between different build types, currently only '0' is 41 # supported. 42 'android_build_type%': 0, 43 }, 44 'android_ndk_root%': '<(android_ndk_root)', 45 'android_ndk_sysroot': '<(android_ndk_root)/platforms/android-9/arch-<(android_target_arch)', 46 'android_build_type%': '<(android_build_type)', 47 }, 48 'android_ndk_root%': '<(android_ndk_root)', 49 'android_ndk_sysroot': '<(android_ndk_sysroot)', 50 'android_ndk_include': '<(android_ndk_sysroot)/usr/include', 51 'android_ndk_lib': '<(android_ndk_sysroot)/usr/lib', 52 # Enable to use the system stlport, otherwise statically 53 # link the NDK one? 54 'use_system_stlport%': '<(android_build_type)', 55 'android_stlport_library': 'stlport_static', 56 # Copy it out one scope. 57 'android_build_type%': '<(android_build_type)', 58 59 'OS': 'android', 60 'target_arch': 'arm', 61 'v8_target_arch': 'arm', 62 'armv7': 1, 63 'arm_neon': 0, 64 'arm_fpu': 'vfpv3', 65 }, # variables 66 'target_defaults': { 67 'defines': [ 68 'ANDROID', 69 'V8_ANDROID_LOG_STDOUT', 70 ], 71 'configurations': { 72 'Release': { 73 'cflags!': [ 74 '-O2', 75 '-Os', 76 ], 77 'cflags': [ 78 '-fdata-sections', 79 '-ffunction-sections', 80 '-fomit-frame-pointer', 81 '-O3', 82 ], 83 }, # Release 84 }, # configurations 85 'cflags': [ '-Wno-abi', '-Wall', '-W', '-Wno-unused-parameter', 86 '-Wnon-virtual-dtor', '-fno-rtti', '-fno-exceptions', ], 87 'target_conditions': [ 88 ['_toolset=="target"', { 89 'cflags!': [ 90 '-pthread', # Not supported by Android toolchain. 91 ], 92 'cflags': [ 93 '-U__linux__', # Don't allow toolchain to claim -D__linux__ 94 '-ffunction-sections', 95 '-funwind-tables', 96 '-fstack-protector', 97 '-fno-short-enums', 98 '-finline-limit=64', 99 '-Wa,--noexecstack', 100 '-Wno-error=non-virtual-dtor', # TODO(michaelbai): Fix warnings. 101 # Note: This include is in cflags to ensure that it comes after 102 # all of the includes. 103 '-I<(android_ndk_include)', 104 '-march=armv7-a', 105 '-mtune=cortex-a8', 106 '-mfpu=vfp3', 107 ], 108 'defines': [ 109 'ANDROID', 110 #'__GNU_SOURCE=1', # Necessary for clone() 111 'USE_STLPORT=1', 112 '_STLP_USE_PTR_SPECIALIZATIONS=1', 113 'HAVE_OFF64_T', 114 'HAVE_SYS_UIO_H', 115 'ANDROID_BINSIZE_HACK', # Enable temporary hacks to reduce binsize. 116 ], 117 'ldflags!': [ 118 '-pthread', # Not supported by Android toolchain. 119 ], 120 'ldflags': [ 121 '-nostdlib', 122 '-Wl,--no-undefined', 123 '-Wl,--icf=safe', # Enable identical code folding to reduce size 124 # Don't export symbols from statically linked libraries. 125 '-Wl,--exclude-libs=ALL', 126 ], 127 'libraries!': [ 128 '-lrt', # librt is built into Bionic. 129 # Not supported by Android toolchain. 130 # Where do these come from? Can't find references in 131 # any Chromium gyp or gypi file. Maybe they come from 132 # gyp itself? 133 '-lpthread', '-lnss3', '-lnssutil3', '-lsmime3', '-lplds4', '-lplc4', '-lnspr4', 134 ], 135 'libraries': [ 136 '-l<(android_stlport_library)', 137 # Manually link the libgcc.a that the cross compiler uses. 138 '<!($CC -print-libgcc-file-name)', 139 '-lc', 140 '-ldl', 141 '-lstdc++', 142 '-lm', 143 ], 144 'conditions': [ 145 ['android_build_type==0', { 146 'ldflags': [ 147 '-Wl,-rpath-link=<(android_ndk_lib)', 148 '-L<(android_ndk_lib)', 149 ], 150 }], 151 # NOTE: The stlport header include paths below are specified in 152 # cflags rather than include_dirs because they need to come 153 # after include_dirs. Think of them like system headers, but 154 # don't use '-isystem' because the arm-linux-androideabi-4.4.3 155 # toolchain (circa Gingerbread) will exhibit strange errors. 156 # The include ordering here is important; change with caution. 157 ['use_system_stlport==0', { 158 'cflags': [ 159 '-I<(android_ndk_root)/sources/cxx-stl/stlport/stlport', 160 ], 161 'conditions': [ 162 ['target_arch=="arm" and armv7==1', { 163 'ldflags': [ 164 '-L<(android_ndk_root)/sources/cxx-stl/stlport/libs/armeabi-v7a', 165 ], 166 }], 167 ['target_arch=="arm" and armv7==0', { 168 'ldflags': [ 169 '-L<(android_ndk_root)/sources/cxx-stl/stlport/libs/armeabi', 170 ], 171 }], 172 ['target_arch=="ia32"', { 173 'ldflags': [ 174 '-L<(android_ndk_root)/sources/cxx-stl/stlport/libs/x86', 175 ], 176 }], 177 ], 178 }], 179 ['target_arch=="ia32"', { 180 # The x86 toolchain currently has problems with stack-protector. 181 'cflags!': [ 182 '-fstack-protector', 183 ], 184 'cflags': [ 185 '-fno-stack-protector', 186 ], 187 }], 188 ], 189 'target_conditions': [ 190 ['_type=="executable"', { 191 'ldflags': [ 192 '-Bdynamic', 193 '-Wl,-dynamic-linker,/system/bin/linker', 194 '-Wl,--gc-sections', 195 '-Wl,-z,nocopyreloc', 196 # crtbegin_dynamic.o should be the last item in ldflags. 197 '<(android_ndk_lib)/crtbegin_dynamic.o', 198 ], 199 'libraries': [ 200 # crtend_android.o needs to be the last item in libraries. 201 # Do not add any libraries after this! 202 '<(android_ndk_lib)/crtend_android.o', 203 ], 204 }], 205 ['_type=="shared_library"', { 206 'ldflags': [ 207 '-Wl,-shared,-Bsymbolic', 208 ], 209 }], 210 ], 211 }], # _toolset=="target" 212 # Settings for building host targets using the system toolchain. 213 ['_toolset=="host"', { 214 'cflags': [ '-m32', '-pthread' ], 215 'ldflags': [ '-m32', '-pthread' ], 216 'ldflags!': [ 217 '-Wl,-z,noexecstack', 218 '-Wl,--gc-sections', 219 '-Wl,-O1', 220 '-Wl,--as-needed', 221 ], 222 }], 223 ], # target_conditions 224 }, # target_defaults 225 }
