build-v8

#!/bin/bash

set -eu

TARGET=${1-}
PROFILE=${2-}

if [[ "${TARGET}" == "" || "${PROFILE}" == "" ]]; then
   echo "usage: $0 <target> <profile>"
   exit 1
fi

case "${TARGET}" in
    aarch64-unknown-linux-musl)
        ARCH=aarch64
        V8_CPU=arm64
    ;;
    armv7-unknown-linux-musleabihf)
        ARCH=armv7
        V8_CPU=arm
    ;;
    x86_64-unknown-linux-musl)
        ARCH=x86_64
        V8_CPU=x64
    ;;
    *)
        echo "unknown architecture: $1"
        exit 1
esac

if read -r -d '' GN_ARGS <<EOF; then :; fi
clang_use_chrome_plugins=false
is_clang=false
is_component_build=false
is_debug=false
line_tables_only=false
treat_warnings_as_errors=false
use_custom_libcxx=false
use_glib=false
custom_toolchain="${PWD}/build:${ARCH}"
use_sysroot=false
use_gold=false
use_lld=false
v8_static_library=true
v8_monolithic=true
v8_use_external_startup_data=false
target_cpu="${V8_CPU}"
target_os="linux"
EOF

if [ "${V8_CPU}" == "arm" ]; then
    GN_ARGS+=" v8_snapshot_toolchain=\"${PWD}/build:${ARCH}\""
fi

export TOOLCHAIN="${PWD}/toolchain/bin"

export CC_"${TARGET//[-]/_}"="${TOOLCHAIN}/${TARGET//-unknown}-cc"
export AR_"${TARGET//[-]/_}"="${TOOLCHAIN}/${TARGET//-unknown}-ar"

export OUTPUT="${PWD}/rusty_v8/target/${TARGET}/${PROFILE}"

export GN_ARGS="${GN_ARGS}"
export V8_FROM_SOURCE=1

echo "building v8 for ${TARGET}"

cd rusty_v8 || exit 1
cargo build --target "${TARGET}" --profile "${PROFILE//debug/dev}"

ninja -C "${OUTPUT}/gn_out" v8_monolith