1 files changed, 88 insertions, 0 deletions
diff --git a/functions/architectures.sh b/functions/architectures.sh
new file mode 100755
index 000000000..07d4581cc
--- /dev/null
+++ b/functions/architectures.sh
@@ -0,0 +1,88 @@
+#!/bin/sh
+
+## live-build(7) - System Build Scripts
+## Copyright (C) 2006-2010 Daniel Baumann <daniel@debian.org>
+##
+## live-build comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
+## This is free software, and you are welcome to redistribute it
+## under certain conditions; see COPYING for details.
+
+
+Check_architectures ()
+{
+	ARCHITECTURES="${@}"
+	VALID="false"
+
+	for ARCHITECTURE in ${ARCHITECTURES}
+	do
+		if [ "$(echo ${LB_ARCHITECTURES} | grep ${ARCHITECTURE})" ]
+		then
+			VALID="true"
+			break
+		fi
+	done
+
+	if [ "${VALID}" = "false" ]
+	then
+		Echo_warning "skipping %s, foreign architecture(s)." "${0}"
+		exit 0
+	fi
+}
+
+Check_crossarchitectures ()
+{
+	if [ -x /usr/bin/dpkg ]
+	then
+		HOST="$(dpkg --print-architecture)"
+	else
+		HOST="$(uname -m)"
+	fi
+
+	case "${HOST}" in
+		amd64|i386|x86_64)
+			CROSS="amd64 i386"
+			;;
+
+		powerpc|ppc64)
+			CROSS="powerpc ppc64"
+			;;
+
+		*)
+			CROSS="${HOST}"
+			;;
+	esac
+
+	Check_architectures "${CROSS}"
+}
+
+Check_multiarchitectures ()
+{
+	if [ "$(echo ${LB_ARCHITECTURES} | wc -w)" -gt "1" ]
+	then
+		# First, only support multiarch on iso
+		case "${LB_BINARY_IMAGES}" in
+			iso*)
+				# Assemble multi-arch
+				case "${LB_CURRENT_ARCHITECTURE}" in
+					amd64)
+						DESTDIR="${DESTDIR}.amd"
+						DESTDIR_LIVE="${DESTDIR_LIVE}.amd"
+						DESTDIR_INSTALL="${DESTDIR_INSTALL}.amd"
+						;;
+
+					i386)
+						DESTDIR="${DESTDIR}.386"
+						DESTDIR_LIVE="${DESTDIR_LIVE}.386"
+						DESTDIR_INSTALL="${DESTDIR_INSTALL}.386"
+						;;
+
+					powerpc)
+						DESTDIR="${DESTDIR}.ppc"
+						DESTDIR_LIVE="${DESTDIR_LIVE}.ppc"
+						DESTDIR_INSTALL="${DESTDIR_INSTALL}.ppc"
+						;;
+				esac
+				;;
+		esac
+	fi
+}