eclass/compat-drivers-3.8_r1: outsourced the driver-select logic to $FILESDIR

eclass/compat-drivers-3.8_r1.eclass

@@ -0,0 +1,104 @@
+# Copyright 1999-2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+
+# @ECLASS: compat-drivers-3.8_r1.eclass
+# @MAINTAINER:
+# wuodan@pentoo.ch
+# @BLURB: Implements functionality of driver-select script for several modules
+# @DESCRIPTION:
+# Implements functionality of driver-select script for several modules
+# needs a modified version of the driver-select file!
+
+# compose IUSE and REQUIRED_USE from the categories
+IUSE+=" +build-all-modules"
+REQUIRED_USE+=" || ("
+for useexp in ${CPD_USE_EXPAND}; do
+	USE_TEMP="\$CPD_USE_EXPAND_$useexp"
+	for iuse in `eval echo "\$USE_TEMP"`; do
+		if [ "${iuse:0:1}" = '+' ]; then
+			IUSE+=" ${iuse:0:1}compat_drivers_${useexp}_${iuse:1}" || die
+			REQUIRED_USE+=" compat_drivers_${useexp}_${iuse:1}" || die
+		else
+			IUSE+=" compat_drivers_${useexp}_${iuse}" || die
+			REQUIRED_USE+=" compat_drivers_${useexp}_${iuse} build-all-modules" || die
+		fi
+	done
+done
+REQUIRED_USE+=" )"
+
+# ==============================================================================
+# INTERNAL VARIABLES
+# ==============================================================================
+
+# @VARIABLE: CPD_USE_EXPAND
+# @DESCRIPTION:
+# This variable needs to be set in the ebuild and contains the categories for
+# USE_EXPAND
+
+# @VARIABLE: CPD_USE_EXPAND_category
+# @DESCRIPTION:
+# These variables need to be set in the ebuild, one per category in
+# CPD_USE_EXPAND. They contain the modules of the categories.
+
+# @ECLASS-VARIABLE: CPD_MODULE
+# @DESCRIPTION:
+# This internal variable contains a temporary value, the currently processed
+# module.
+
+# @ECLASS-VARIABLE: CPD_DISABLE_${CPD_MODULE}
+# @DESCRIPTION:
+# These internal variables contains values, the 'disable-actions' of the
+# currently processed module. One variable exists for each active module.
+
+# ==============================================================================
+# INTERNAL FUNCTIONS
+# ==============================================================================
+
+# ==============================================================================
+# EXPORTED FUNCTIONS
+# ==============================================================================
+
+# @FUNCTION: compat-drivers-3.8_r1_src_configure
+# @DESCRIPTION:
+# This function reads the configuration (disable-actions and filters) for each
+# single active flag, then constructs and applies the common configuration set.
+compat-drivers-3.8_r1_src_configure() {
+	# early exit, skip filtering of configuration and build all modules
+	if use build-all-modules; then
+		ewarn "You have chosen to build all modules!"
+		ewarn "The Pentoo team strives to build only the desired modules and the"
+		ewarn "use flag 'build-all-modules' should only be used when"
+		ewarn "the desired modules is not available through another flag."
+		ewarn "Please open an issue at the Pentoo site and let us know which"
+		ewarn "module was missing!"
+		return 0
+	fi
+
+	# loop over all modules
+	local use_temp=''
+	local use_enabled_list=''
+	for useexp in ${CPD_USE_EXPAND}; do
+		use_temp="\$CPD_USE_EXPAND_$useexp" || die
+		for iuse in `eval echo "\$use_temp"`; do
+			if [ "${iuse:0:1}" = '+' ]; then
+				local iuse2=${iuse:1} || die
+			else
+				local iuse2=${iuse} || die
+			fi
+			local iflag="compat_drivers_${useexp}_${iuse2}" || die
+			# check if it's enabled
+			if use "${iflag}"; then
+				use_enabled_list+=" ${iuse2}" || die
+			fi
+		done
+	done
+	einfo "List of enabled modules: ${use_enabled_list}"
+
+	# Call the modified driver-select script
+	scripts/driver-select -q ${use_enabled_list} || \
+		die "driver-select failed. This file was edited by Pentoo"
+}
+
+EXPORT_FUNCTIONS src_configure || die