# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2018-present Team LibreELEC (https://libreelec.tv)

set -e

# setup initial directorys (relative to root)
  CONFIG=config
  SCRIPTS=scripts
  PACKAGES=packages
  SOURCES=${SOURCES_DIR:-${ROOT}/sources}
  BUILD_ROOT=${BUILD_DIR:-${ROOT}}
  BUILD_BASE=build
  TARGET_IMG=${TARGET_DIR:-${ROOT}/release}
  ADDONS=addons

# include ARCH specific options
  if [ -f config/arch.${TARGET_ARCH} ]; then
    . config/arch.${TARGET_ARCH}
  fi

[ -z "${HOST_NAME}" ] && export HOST_NAME="$(${LOCAL_CC} -dumpmachine)"
TARGET_NAME=$TARGET_GCC_ARCH-libreelec-linux-gnu${TARGET_ABI}

BUILD=${BUILD_ROOT}/${BUILD_BASE}.${DISTRONAME}-${DEVICE:-${PROJECT}}.${TARGET_ARCH}
if [ "${LIBREELEC_VERSION}" = "devel" ] ; then
  BUILD=${BUILD_ROOT}/${BUILD_BASE}.${DISTRONAME}-${DEVICE:-${PROJECT}}.${TARGET_ARCH}-${OS_VERSION}-${LIBREELEC_VERSION}
fi

if [ -n "$BUILD_SUFFIX" ]; then
  BUILD=$BUILD-$BUILD_SUFFIX
fi

THREAD_CONTROL=${BUILD}/.threads

TARGET_ADDONS="$TARGET_IMG/$ADDONS/$ADDON_PATH"
ADDON_BUILD="$BUILD/$ADDONS/$1"
STAMPS=$BUILD/.stamps
STAMPS_INSTALL=$BUILD/image/.stamps
DOCS=DOCS
TOOLCHAIN=$BUILD/toolchain
SYSROOT_PREFIX=${TOOLCHAIN}/${TARGET_NAME}/sysroot
LIB_PREFIX=${SYSROOT_PREFIX}/usr
TARGET_PREFIX=${TOOLCHAIN}/bin/${TARGET_NAME}-

FAKEROOT_SCRIPT=$BUILD/.fakeroot

if [ -z "${INSTALL}" ]; then
  INSTALL=$BUILD/image/system
fi

. config/sources

MAKE="${TOOLCHAIN}/bin/make"

XORG_PATH_DRI=/usr/lib/dri
XORG_PATH_XKB=/usr/share/X11/xkb
XORG_PATH_XKB_OUTPUT=/var/lib/xkb
XORG_PATH_RGB=/usr/lib/X11/rgb
XORG_PATH_MODULES=/usr/lib/xorg/modules
XORG_PATH_DRIVERS=/usr/lib/xorg/modules/drivers

. config/optimize

# use different toolchain for 64/32 split builds
if [ -z "${KERNEL_TOOLCHAIN}" -a "${TARGET_KERNEL_ARCH}" = "arm64" -a "${TARGET_ARCH}" = "arm" ]; then
  KERNEL_TOOLCHAIN="aarch64"
fi
if [ -n "${KERNEL_TOOLCHAIN}" ]; then
  TARGET_KERNEL_PREFIX=${KERNEL_TOOLCHAIN}-none-elf-
else
  TARGET_KERNEL_PREFIX=${TARGET_PREFIX}
fi

if [ -z "${CCACHE_DIR}" ]; then
  export CCACHE_DIR=${BUILD_ROOT}/.ccache-${TARGET_ARCH}
fi

# keep a copy of ccache dir used for toolchain ccache
export BUILD_CCACHE_DIR="${CCACHE_DIR}"

# local ccache dir in case we build early packages with local ccache
if [ -z "${LOCAL_CCACHE_DIR}" ]; then
  export LOCAL_CCACHE_DIR="${BUILD}/.ccache-local"
fi

# Corrects a missing cache directory when building with Docker.
if [ -z "${PYTHON_EGG_CACHE}" ]; then
  export PYTHON_EGG_CACHE="${BUILD}/.egg_cache"
fi

# Adds a temp directory for constructing es_systems.cfg
ESTMP="${ESTMP:-${ROOT}/.es_cache}"

if [[ -z "$PATH" || ( "$PATH" != "${TOOLCHAIN}/bin:${TOOLCHAIN}/sbin" && "$PATH" = "${PATH#${TOOLCHAIN}/bin:${TOOLCHAIN}/sbin:}" ) ]]; then
  export PATH="${TOOLCHAIN}/bin:${TOOLCHAIN}/sbin${PATH:+":$PATH"}"
fi

# redirect formatted output
export BUILD_INDENT_SIZE=4
SILENT_OUT=3
VERBOSE_OUT=4

if [ "$VERBOSE" = yes ]; then
  exec 3>&1
  exec 4>&1
else
  exec 3>&2
  exec 4>/dev/null
fi

unset LD_LIBRARY_PATH

# multilib? nah
unset CONFIG_SITE

# Ignore custom python installs...
unset PYTHONHOME PYTHONPATH PYTHONSTARTUP
export PYTHONNOUSERSITE=yes #disable PEP 370

# Fix #4737
unset PYTHONDONTWRITEBYTECODE