configure

#!/usr/bin/env bash

UNAME_M=$(uname -m)
HOST=$(uname | tr '[:upper:]' '[:lower:]')
LLVM_VERSION=0.0
asan=0
component=static_library
uv_library=static_library
v8_enable_i18n_support=1
v8_optimized_debug=1

if type clang > /dev/null; then
LLVM_VERSION=$(clang --version | grep -Eo '(?:clang version|based on LLVM) ([0-9]+.[0-9]+)' | rev | cut -d' ' -f1 | rev)
fi

if [ -d ./out ]; then
  rm -rf ./out
fi

if [ "${UNAME_M}" = 'x86_64' ]; then
  DESTCPU=x64
elif [ "${UNAME_M}" = 'amd64' ]; then
  DESTCPU=x64
elif [ "${UNAME_M}" = 'aarch64' ]; then
  DESTCPU=arm64
elif [ "${UNAME_M}" = 'arm64' ]; then
  DESTCPU=arm64
else
  echo "DESTCPU not regonized."
  exit 1
fi

if [ "${DESTCPU}" = 'x64' ]; then
  ARCH=x64
elif [ "${DESTCPU}" = "arm64" ]; then
  ARCH=arm64
fi

python=$(which python3)

while [ $# -gt 0 ]; do
  case "$1" in
    # build configurations
    --component)
      component=$2
      shift
      ;;
    --enable-asan)
      asan=1
      ;;
    --uv-library)
      uv_library=$2
      shift
      ;;
    --v8-disnable-i18n-support)
      v8_enable_i18n_support=0
      ;;
    --v8-disable-optimized-debug)
      v8_optimized_debug=0
      ;;
  esac
  shift
done

cat > ./config.gypi <<- EOM
{
  'variables': {
    'asan': ${asan},
    'component': '${component}',
    'host_arch': '${HOST}',
    'llvm_version': '${LLVM_VERSION}',
    'target_arch': '${ARCH}',
    'uv_library': '${uv_library}',
    'v8_enable_i18n_support': ${v8_enable_i18n_support},
    'v8_optimized_debug': ${v8_optimized_debug},
    'python': '${python}',
  }
}
EOM