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Boot to Gecko aims to create a complete, standalone operating system for the open web.

branch: master

Merge pull request #338 from nhirata/bug_995036

include flame in the full flash
latest commit 05279c163a
Naoki Hirata nhirata authored
Octocat-spinner-32 scripts Adding Mavericks support to OS X bootstrapping script
Octocat-spinner-32 tools Modify so that get_about_memory.py can hook to other program
Octocat-spinner-32 .gitignore gitignore fix_b2g_stack's persistent cache.
Octocat-spinner-32 GNUmakefile Now produces an error if you run make without sourcing setup.sh
Octocat-spinner-32 LICENSE Add LICENSE
Octocat-spinner-32 README.md Removing TODOs accidentally left in README.
Octocat-spinner-32 bld.sh Add new B2G build system
Octocat-spinner-32 build.sh Unset CDPATH before invoking make
Octocat-spinner-32 config.sh include flame in the full flash
Octocat-spinner-32 edit-prefs.sh Bug 934671 - Add edit-prefs.sh to make it easier to modify preference…
Octocat-spinner-32 flash.sh include flame in the full flash
Octocat-spinner-32 load-config.sh include flame in the full flash
Octocat-spinner-32 mach Bug 867817 - Add mach bootstrap to B2G, r=jgriffin
Octocat-spinner-32 moz2d-record.sh Bug 935840 - Add b2g script moz2d-record.sh. r=jld
Octocat-spinner-32 profile.sh Bug 921165: allow ./profile.sh capture if only non-main processes are…
Octocat-spinner-32 repo Updated repo with new valid keyring version
Octocat-spinner-32 run-ddd.sh Add support to allow using ddd.
Octocat-spinner-32 run-emulator.sh Bug 845049 - tell emulator to use the real camera
Octocat-spinner-32 run-gdb.sh Merge pull request #329 from Seinlin/bug-982482
Octocat-spinner-32 run-valgrind.sh Bug 977156 - Add capabilities for running vgdb to scripts
Octocat-spinner-32 setup.sh include flame in the full flash
Octocat-spinner-32 test.sh Bug 912756 - Remove redundant Marionette script, r=ahal
Octocat-spinner-32 watch-procrank.sh Replace Python hack to continuously display procrank info with much s…
README.md

Boot to Gecko (B2G)

Boot to Gecko aims to create a complete, standalone operating system for the open web.

You can read more about B2G here:

http://wiki.mozilla.org/B2G

follow us on twitter: @Boot2Gecko

http://twitter.com/Boot2Gecko

join the Mozilla Platform mailing list:

http://groups.google.com/group/mozilla.dev.platform

and talk to us on IRC:

#B2G on irc.mozilla.org

Prerequisites

Linux

  • A 64 bit linux distro
  • 20GB of free disk space
  • autoconf-2.13
  • git
  • ccache
  • gcc/g++ 4.6.3 or older
  • bison
  • flex
  • 32bit ncurses
  • zlib
    • You need both zlib1g and zlib1g-dev for both i386 and amd64. That is, for Ubuntu 12.04 Precise or older, they are zlib1g, zlib1g-dev, zlib1g:i386, and zlib1g-dev:i386; for Ubuntu 12.10 Quantal or newer, they are zlib1g:amd64, zlib1g-dev:amd64, zlib1g:i386, and zlib1g-dev:i386.
  • make

Additionally, if you're building the emulator, you probably need the the Mesa implementation of OpenGL. On Ubuntu, this is the libgl1-mesa-dev package.

Ubuntu 12.10 ships with gcc 4.7 by default, which causes build errors pretty early in the process. To use gcc 4.6, edit .userconfig and add

export CC=gcc-4.6
export CXX=g++-4.6

Of course, you'll need the g++-4.6 package installed.

On Ubuntu 13.04, for example, you might find apt-get install zlib1g{,-dev}:i386 is going to do something seriously wrong like removing all your toolchain packages. You may execute either apt-get install --no-install-recommends <packages> to explicitly disallow installing recommended packages, or aptitude to interactively select the very necessary packages you need.

For full lists of minimum required packages that build B2G emulator on all recent Ubuntu releases, see https://bugzilla.mozilla.org/show_bug.cgi?id=866489 .

OSX

Note: Builds for some devices require case-sensitive file systems

Some B2G subrepositories contain files whose names differ only in case. This causes build failures when building for some target phones (such as the Hamachi) if you're on a case-insensitive FS (the default on Mac). You'll see an error like the following during the ./build.sh step:

[entering kernel] ERROR: You have uncommited changes in kernel You may force overwriting these changes with |source build/envsetup.sh force|

ERROR: Patching of kernel/ failed.

If you hit this error, the easiest way around it is to build on a case-sensitive file-system. Doing so doesn't require any re-partitioning; you can simply create a disk image and build within it using the following commands.

hdiutil create -volname 'firefoxos' -type SPARSE -fs 'Case-sensitive Journaled HFS+' -size 40g ~/firefoxos.sparseimage
open ~/firefoxos.sparseimage
cd /Volumes/firefoxos/

See https://bugzilla.mozilla.org/show_bug.cgi?id=867259 for details.

Note: Linker OOM with noopt builds

If you build with B2G_NOOPT=1 on MacOS, your linker may run out of memory and crash.

The solution, if you really want a noopt build, is to use a 64-bit linker. Follow these steps:

  1. Clone this repository somewhere

    $ git://github.com/jld/b2g-toolchain-prebuilt.git

  2. In .userconfig, add the following line.

    export TARGET_TOOLS_PREFIX=/path/to/b2g-toolchain-prebuilt/toolchain-4.4.3/x86_64-apple-darwin/bin/arm-linux-androideabi-
    

    (Of course, replace /path/to/b2g-toolchain-prebuilt/ with the actual path.)

  3. Rebuild.

See https://bugzilla.mozilla.org/show_bug.cgi?id=854535 for details.

Configure

Run config.sh to get a list of supported devices:

./config.sh

And then run config.sh for the device you want to build for:

./config.sh [device name]

Udev Permissions

If you get "error: insufficient permissions for device"...

Obtain ID of device manufacturer (first 4 hexidecimal digits before colon):

$ lsusb

Add a line to /etc/udev/rules.d/android.rules (replacing XXXX with 4 digit ID):

SUBSYSTEM=="usb", ATTRS{idVendor}=="XXXX", MODE="0666"

Restart udev before re-plugging your device for it to be detected:

$ sudo service udev restart

Re-run configure:

./config.sh [device name]

Building against a custom Gecko

It can sometimes be useful to build against a different Gecko than the one specified in the manifest, e.g. a mozilla-central checkout that has some patches applied. To do so, edit .userconfig:

GECKO_PATH=/path/to/mozilla-central
GECKO_OBJDIR=/path/to/mozilla-central/objdir-gonk

Note that if you switch your userconfig's gecko path, you need to rm -rf the objdir and rebuild.

Build

Run build.sh or bld.sh to build B2G.

./build.sh

If you want to just build gecko or some other project, just specify it:

./build.sh gecko

Flash/Install

Make sure your phone is plugged in with usb debugging enabled.

To flash everything on your phone:

./flash.sh

To flash system/userdata/boot partitions on fastboot phones:

./flash.sh system
./flash.sh boot
./flash.sh user

To update gecko:

./flash.sh gecko

To update gaia:

./flash.sh gaia

Update Repos

To update all repos:

git pull
./repo sync

To update a specific repo (eg, gaia):

./repo sync gaia

Debug

To restart B2G and run B2G under gdb:

./run-gdb.sh

To attach gdb to a running B2G process:

./run-gdb.sh attach

Test

To run the Marionette test suite on the emulator:

./test.sh

To run specific tests (individual files, directories, or ini files):

./test.sh gecko/dom/sms gecko/dom/battery/test/marionette/test_battery.py

Specify the full path if you're using a different Gecko repo:

./test.sh /path/to/mozilla-central/dom/battery/test/marionette/test_battery.py
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