Porting/Chromium (Old)

DRAFT

• Issues opened:
  • https://bugs.chromium.org/p/chromium/issues/detail?id=871084
  • https://bugs.chromium.org/p/chromium/issues/detail?id=872534
  • https://bugs.chromium.org/p/chromium/issues/detail?id=872994

• Patchfiles uploaded:
  • https://wiki.raptorcs.com/wiki/File:Modules-desktop_capture-differ_block.cc-PPC.patch changes are pending upstream (https://bugs.chromium.org/p/chromium/issues/detail?id=872994)
  • https://wiki.raptorcs.com/wiki/File:Buildtools-third_party-libc%2B%2B-trunk-include-thread-PPC.patch
  • https://wiki.raptorcs.com/wiki/File:Src-DEPS.patch changes are pending upstream (https://bugs.chromium.org/p/chromium/issues/detail?id=871084#c7)
  • https://wiki.raptorcs.com/wiki/File:Rtc_base-system-arch.h-PPC.patch changes are pending upstream (https://bugs.chromium.org/p/chromium/issues/detail?id=872994)
  • https://wiki.raptorcs.com/wiki/File:Binutils-download.py-PPC.patch
  • https://wiki.raptorcs.com/wiki/File:0001-sandbox-linux-bpf_dsl-Update-syscall-ranges-for-ppc6.patch
  • https://wiki.raptorcs.com/wiki/File:0002-sandbox-linux-bpf_dsl-Modify-seccomp_macros-to-add-s.patch
  • https://wiki.raptorcs.com/wiki/File:0003-sandbox-linux-system_headers-Update-linux-seccomp-he.patch
  • https://wiki.raptorcs.com/wiki/File:0004-sandbox-linux-system_headers-Update-linux-signal-hea.patch

• What to port to ppc
  • crashpad
  • sandbox
  • webrtc
  • more??

# Install Ubuntu 16 LTS ppc64le in VM with good amount of CPUs and ~16GB RAM, the more CPUs the more RAM, and around 200GB disk space

sudo apt update
sudo apt full-upgrade
sudo apt install python libcups2-dev pkg-config libnss3-dev libssl-dev libglib2.0-dev libgnome-keyring-dev libpango1.0-dev libdbus-1-dev libatk1.0-dev libatk-bridge2.0-dev libgtk-3-dev re2c subversion curl

cd
git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git

export PATH=$PATH:$(pwd)/ninja
export PATH=$PATH:$(pwd)/depot_tools
export VPYTHON_BYPASS="manually managed python not supported by chrome operations"
export GYP_DEFINES="disable_nacl=1"

git clone git://github.com/ninja-build/ninja.git
cd ninja
git checkout release
./configure.py --bootstrap
which ninja # ensure it is right ninja bin, else figure out a way so it is the right one that comes up


cd
git clone https://gn.googlesource.com/gn

export CC=gcc
export CXX=g++
export AR=ar

cd gn
python build/gen.py --no-sysroot
cat out/build.ninja | sed s/-stdlib=libstdc++//g | tee out/build.ninja
ninja -C out

unset CXX
unset CC
unset AR


cd
mkdir chromium
cd chromium

fetch --no-history --nohooks chromium

curl "https://wiki.raptorcs.com/w/images/4/45/Src-DEPS.patch" | patch -p1 src/DEPS # If this patchfile stops working, ignore the error, see "Patchfiles uploaded"
curl "https://wiki.raptorcs.com/w/images/1/10/Binutils-download.py-PPC.patch" | patch -p1 src/third_party/binutils/download.py

gclient sync
gclient runhooks

mv src/buildtools/linux64/gn src/buildtools/linux64/gn.old
ln -s $HOME/gn/out/gn src/buildtools/linux64/gn

cd src

gn args out/Default

# PASTE IN EDITOR

enable_nacl=false
treat_warnings_as_errors=false

# END PASTE Save file and it will generate build configuration

# build system patches
curl "https://wiki.raptorcs.com/w/images/6/69/Buildtools-third_party-libc%2B%2B-trunk-include-thread-PPC.patch" | patch -p1 buildtools/third_party/libc++/trunk/include/thread

# webrtc patches
curl "https://wiki.raptorcs.com/w/images/b/b2/Rtc_base-system-arch.h-PPC.patch" | patch -p1 third_party/webrtc/rtc_base/system/arch.h
curl "https://wiki.raptorcs.com/w/images/9/96/Modules-desktop_capture-differ_block.cc-PPC.patch" | patch -p1 third_party/webrtc/modules/desktop_capture/differ_block.cc

# sandbox patches
curl "https://wiki.raptorcs.com/w/images/a/ab/0001-sandbox-linux-bpf_dsl-Update-syscall-ranges-for-ppc6.patch" | patch -p1
curl "https://wiki.raptorcs.com/w/images/3/30/0002-sandbox-linux-bpf_dsl-Modify-seccomp_macros-to-add-s.patch" | patch -p1
curl "https://wiki.raptorcs.com/w/images/6/60/0003-sandbox-linux-system_headers-Update-linux-seccomp-he.patch" | patch -p1
curl "https://wiki.raptorcs.com/w/images/e/ec/0004-sandbox-linux-system_headers-Update-linux-signal-hea.patch" | patch -p1

ninja -C out/Default chrome