Add build scripts

src/build.sh

@@ -0,0 +1,74 @@
+#!/bin/sh
+set -e
+
+export TMPDIR="$PWD/tmp"
+mkdir -p "$TMPDIR"
+
+if [ "$1" = debug ]; then
+  out=out/Debug
+  flags='
+    is_debug=true
+    is_component_build=true'
+else
+  out=out/Release
+  flags='
+    is_official_build=true
+    use_jumbo_build=true
+    exclude_unwind_tables=true
+    symbol_level=0'
+fi
+
+if which ccache >/dev/null 2>&1; then
+  export CCACHE_SLOPPINESS=time_macros
+  export CCACHE_BASEDIR="$PWD"
+  export CCACHE_CPP2=yes
+  flags="$flags"'
+   cc_wrapper="ccache"'
+elif [ -f "$HOME"/.cargo/bin/sccache* ]; then
+  export PATH="$PATH:$HOME/.cargo/bin"
+  flags="$flags"'
+   cc_wrapper="sccache"'
+fi
+
+flags="$flags"'
+  is_clang=true
+  linux_use_bundled_binutils=false
+
+  fatal_linker_warnings=false
+  treat_warnings_as_errors=false
+  use_sysroot=false
+
+  fieldtrial_testing_like_official_build=true
+
+  use_cups=false
+  use_dbus=false
+  use_gio=false
+  use_platform_icu_alternatives=true
+
+  disable_file_support=true
+  enable_websockets=false
+  disable_ftp_support=true
+  use_kerberos=false
+  disable_brotli_filter=true
+  enable_mdns=false
+  enable_reporting=false
+  include_transport_security_state_preload_list=false
+'
+
+if [ "$(uname)" = Linux ]; then
+  flags="$flags"'
+    use_ozone=true
+    ozone_auto_platforms=false
+    ozone_platform="headless"
+    ozone_platform_headless=true'
+fi
+
+rm -rf "./$out"
+mkdir -p out
+
+python2=$(which python2 2>/dev/null || which python 2>/dev/null)
+export DEPOT_TOOLS_WIN_TOOLCHAIN=0
+
+./gn/out/gn gen "$out" --args="$flags" --script-executable=$python2
+
+ninja -C "$out" naive

src/get-clang.sh

@@ -0,0 +1,66 @@
+#!/bin/sh
+set -ex
+
+ARCH=$(uname)
+case "$ARCH" in MINGW*)
+  ARCH=Windows
+esac
+
+# Clang
+CLANG_REVISION=$(grep -m1 CLANG_REVISION tools/clang/scripts/update.py | cut -d"'" -f2)
+CLANG_SUB_REVISION=$(grep -m1 CLANG_SUB_REVISION tools/clang/scripts/update.py | cut -d= -f2)
+CLANG_PATH="clang-$CLANG_REVISION-$CLANG_SUB_REVISION.tgz"
+case "$ARCH" in
+  Linux) clang_url="https://commondatastorage.googleapis.com/chromium-browser-clang/Linux_x64/$CLANG_PATH";;
+  Darwin) clang_url="https://commondatastorage.googleapis.com/chromium-browser-clang/Mac/$CLANG_PATH";;
+  Windows) clang_url="https://commondatastorage.googleapis.com/chromium-browser-clang/Win/$CLANG_PATH";;
+  *) exit 1;;
+esac
+if [ ! -d third_party/llvm-build/Release+Asserts/bin ]; then
+  mkdir -p third_party/llvm-build/Release+Asserts
+  curl "$clang_url" -o- | tar xzf - -C third_party/llvm-build/Release+Asserts
+fi
+
+# AFDO profile (Linux)
+if [ "$ARCH" = Linux -a ! -f chrome/android/profiles/afdo.prof ]; then
+  AFDO_PATH=$(cat chrome/android/profiles/newest.txt)
+  afdo_url="https://storage.googleapis.com/chromeos-prebuilt/afdo-job/llvm/$AFDO_PATH"
+  curl "$afdo_url" -o- | bzip2 -cd >chrome/android/profiles/afdo.prof
+fi
+
+# sccache (Windows)
+if [ "$ARCH" = Windows ]; then
+  export PATH="$PATH:$HOME/.cargo/bin"
+  if ! which cargo >/dev/null 2>&1; then
+    curl -OJ https://win.rustup.rs/
+    ./rustup-init.exe -y -v --no-modify-path
+  fi
+  if ! which sccache >/dev/null 2>&1; then
+    cargo install --git https://github.com/mozilla/sccache.git --debug
+  fi
+fi
+
+# gn
+if [ ! -f gn/out/gn ]; then
+  if [ "$CI" -o "$ARCH" = Windows ]; then
+    mkdir -p gn/out
+    cd gn/out
+    case "$ARCH" in
+      Linux) curl -L https://chrome-infra-packages.appspot.com/dl/gn/gn/linux-amd64/+/latest -o gn.zip;;
+      Darwin) curl -L https://chrome-infra-packages.appspot.com/dl/gn/gn/mac-amd64/+/latest -o gn.zip;;
+      Windows) curl -L https://chrome-infra-packages.appspot.com/dl/gn/gn/windows-amd64/+/latest -o gn.zip;;
+    esac
+    unzip gn.zip
+  else
+    rm -rf gn
+    git clone --single-branch https://gn.googlesource.com/gn
+    export PATH="$PWD/third_party/llvm-build/Release+Asserts/bin:$PATH"
+    cd gn
+    if which ccache >/dev/null 2>&1; then
+      export CC='ccache clang' CXX='ccache clang++' CCACHE_BASEDIR="$PWD"
+    fi
+    python2=$(which python2 2>/dev/null || which python 2>/dev/null)
+    $python2 build/gen.py
+    ninja -C out gn
+  fi
+fi