# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

# Eblit to check our USE flags for machine-specific flags and give appropriate
# information, warnings, or errors to the user.

# Some machine patches are mutually-exclusive to avoid conflicts:
# Affected:	ip27 ip28 ip30
# Not Affected:	ip22 ip32

eblit-mips-sources-pkg_setup() {
	local arch_is_selected="no"
	local m_ip m_enable m_name

	# Exclusive machine patchsets
	# These are not allowed to be mixed together, thus only one of them may be applied
	# to a tree per merge.
	for x in									\
		"ip27 SGI Origin 200/2000"						\
		"ip28 SGI Indigo2 Impact R10000"					\
		"ip30 SGI Octane"
	do
		set -- ${x}		# Set positional params
		m_ip="${1}"		# Grab the first param (HW IP for SGI)
		shift			# Shift the positions
		m_name="${*}"		# Get the rest (Name)

		if use ${m_ip}; then
			# Fetch the value indiciating if the machine is enabled or not
			m_enable="DO_${m_ip/ip/IP}"
			m_enable="${!m_enable}"

			# Make sure only one of these exclusive machine patches is selected
			[ "${arch_is_selected}" = "no" ]				\
				&& arch_is_selected="yes"				\
				|| err_only_one_mach_allowed

			# Is the machine support disabled or marked as needing testing?
			[ "${m_enable}" = "test" ]					\
				&& err_disabled_mach "${m_name}" "${m_ip/ip/IP}" "${m_ip}" "test"
			[ "${m_enable}" = "no" ]					\
				&& err_disabled_mach "${m_name}" "${m_ip/ip/IP}" "${m_ip}"

			# Show relevant information about the machine
			show_${m_ip}_info
		fi
	done

	# All other systems that don't have a USE flag go here
	# These systems have base-line support included in linux-mips git, so
	# instead of failing, if disabled, we simply warn the user
	if [ "${arch_is_selected}" = "no" ]; then
		[ "${DO_IP22}" = "no" ]							\
			&& err_disabled_mach "SGI Indy/Indigo2 R4x00" "IP22" "skip"	\
			|| show_ip22_info
		[ "${DO_IP32}" = "no" ]							\
			&& err_disabled_mach "SGI O2" "IP32" "skip"			\
			|| show_ip32_info

	fi
}