#!/bin/bash
#
# Copyright (c) 2016 Dream Property GmbH, Germany
#                    https://dreambox.de/
# Author:
#   Andreas Oberritter <obi@opendreambox.org>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#

oe_set_aliases()
{
	local SCRIPT="${BASH_SOURCE[0]}"
	if [ -z "${SCRIPT}" ]; then
		echo "Could not determine script location! Not using bash?"
		return
	fi
	while [ -h "${SCRIPT}" ]; do
		SCRIPT="$(readlink "${SCRIPT}")"
	done

	local SCRIPTDIR="$(cd -P `dirname "${SCRIPT}"` && pwd)"
	local MACHINE="$1"
	local MACHINE_ENV=".cross-compile-${MACHINE}.env"
	local MAKE=${MAKE:-make}

	${MAKE} -C "${SCRIPTDIR}" -s MACHINE=${MACHINE} ${MACHINE_ENV} || echo "Trying to continue with possibly outdated environment."
        . ${SCRIPTDIR}/${MACHINE_ENV} || return

	PATH="${STAGING_BINDIR_NATIVE}/python-native:${PATH}"

	local OE_ENV=" \
		BUILD_SYS=\"${BUILD_SYS}\" \
		HOST_SYS=\"${HOST_SYS}\" \
		STAGING_LIBDIR=\"${STAGING_LIBDIR}\" \
		STAGING_INCDIR=\"${STAGING_INCDIR}\" \
		PATH=\"${PATH}\" \
		CC=\"${CC}\" \
		CXX=\"${CXX}\" \
		F77=\"${F77}\" \
		CPP=\"${CPP}\" \
		LD=\"${LD}\" \
		CCLD=\"${CCLD}\" \
		AR=\"${AR}\" \
		AS=\"${AS}\" \
		RANLIB=\"${RANLIB}\" \
		STRIP=\"${STRIP}\" \
		OBJCOPY=\"${OBJCOPY}\" \
		OBJDUMP=\"${OBJDUMP}\" \
		NM=\"${NM}\" \
		PKG_CONFIG_DIR=\"${PKG_CONFIG_DIR}\" \
		PKG_CONFIG_PATH=\"${PKG_CONFIG_PATH}\" \
		PKG_CONFIG_LIBDIR=\"${PKG_CONFIG_LIBDIR}\" \
		PKG_CONFIG_SYSROOT_DIR=\"${PKG_CONFIG_SYSROOT_DIR}\" \
		PKG_CONFIG_DISABLE_UNINSTALLED=\"${PKG_CONFIG_DISABLE_UNINSTALLED}\" \
	"

	local OE_ENV_KERNEL=" \
		PATH=\"${PATH}\" \
		CROSS_COMPILE=\"${HOST_PREFIX}\" \
		KCFLAGS=--sysroot=${STAGING_DIR_HOST} \
	"

	echo "Creating shell command aliases:"
	echo "* oe_autoreconf"
	alias oe_autoreconf="${OE_ENV} autoreconf -Wcross --verbose --install --force --exclude=autopoint"

	echo "* oe_runconf"
	alias oe_runconf=" \
		./configure \
			--build=${BUILD_SYS} \
			--host=${HOST_SYS} \
			--target=${TARGET_SYS} \
			--prefix=${prefix} \
			--exec_prefix=${exec_prefix} \
			--bindir=${bindir} \
			--sbindir=${sbindir} \
			--libexecdir=${libexecdir} \
			--datadir=${datadir} \
			--sysconfdir=${sysconfdir} \
			--sharedstatedir=${sharedstatedir} \
			--localstatedir=${localstatedir} \
			--libdir=${libdir} \
			--includedir=${includedir} \
			--oldincludedir=${oldincludedir} \
			--infodir=${infodir} \
			--mandir=${mandir} \
			--with-libtool-sysroot=${STAGING_DIR_HOST} \
			${OE_ENV} \
	"

	echo "* oe_runmake"
	alias oe_runmake="${OE_ENV} ${MAKE} ${PARALLEL_MAKE}"

	echo "* oe_runmake_kernel"
	alias oe_runmake_kernel="${OE_ENV_KERNEL} ${MAKE} ${PARALLEL_MAKE}"

	echo "* oe_env"
	alias oe_env="${OE_ENV}"

	echo "* oe_env_kernel"
	alias oe_env_kernel="${OE_ENV_KERNEL}"

	echo "* oe_setenv"
	alias oe_setenv="export ${OE_ENV}"

	echo "* oe_setenv_kernel"
	alias oe_setenv_kernel="export ${OE_ENV_KERNEL}"

	echo "* oe_cmake"
	alias oe_cmake=" \
		${OE_ENV} cmake \
			-DCMAKE_FIND_ROOT_PATH:PATH=\"${STAGING_DIR_HOST};${STAGING_DIR_NATIVE}\" \
			-DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE:STRING=ONLY \
			-DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM:STRING=BOTH \
			-DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY:STRING=ONLY \
			-DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE:STRING=ONLY \
			-DCMAKE_INSTALL_PREFIX:PATH=${prefix} \
			-DCMAKE_INSTALL_BINDIR:PATH=${bindir} \
			-DCMAKE_INSTALL_SBINDIR:PATH=${sbindir} \
			-DCMAKE_INSTALL_LIBEXECDIR:PATH=${libexecdir} \
			-DCMAKE_INSTALL_SYSCONFDIR:PATH=${sysconfdir} \
			-DCMAKE_INSTALL_SHAREDSTATEDIR:PATH=${sharedstatedir} \
			-DCMAKE_INSTALL_LOCALSTATEDIR:PATH=${localstatedir} \
			-DCMAKE_INSTALL_LIBDIR:PATH=${libdir} \
			-DCMAKE_INSTALL_INCLUDEDIR:PATH=${includedir} \
			-DCMAKE_INSTALL_DATAROOTDIR:PATH=${datadir} \
			-DCMAKE_INSTALL_SO_NO_EXE=0 \
	"
}

if [ $# -ne 1 ]; then
	echo "usage: . ${BASH_SOURCE[0]} \${MACHINE}"
else
	oe_set_aliases $1
fi