--- iasl-20120816.ebuild.orig	2012-09-08 08:11:29.000000000 +0900
+++ iasl-20120816.ebuild	2012-12-25 21:15:00.000000000 +0900
@@ -48,8 +48,22 @@
 		xargs -0 -I '{}' \
 		sed -r -e 's:-\<Werror\>::g' -i '{}' \
 		|| die
+	if use userland_BSD ; then
+		find "${S}/generate/unix" -type f -name 'Makefile*' -print0 | \
+			xargs -0 -I '{}' \
+			sed -r -e 's:make BITS=:gmake BITS=:g' \
+			-e 's:--remove-destination:-f:g' -i '{}' \
+			|| die
+	fi
 
-	export BITS=64
+	case ${ARCH} in
+		amd64*)
+			export BITS=64
+			;;
+		*)
+			export BITS=32
+			;;
+	esac
 }
 
 src_configure() {
@@ -57,8 +71,8 @@
 }
 
 src_compile() {
-	cd acpica/generate/unix
-	emake BITS=${BITS}
+	cd "${S}"/generate/unix
+	emake -j1 BITS=${BITS}
 }
 
 src_test() {
@@ -68,9 +82,14 @@
 }
 
 src_install() {
-	cd acpica/generate/unix
-	emake install DESTDIR="${D}" BITS=${BITS}
-	default_src_install
+	if use userland_BSD ; then
+		cd "${S}"/generate/unix/bin${BITS}
+		dobin *
+	else
+		cd "${S}"/generate/unix
+		emake install DESTDIR="${D}" BITS=${BITS}
+		default_src_install
+	fi
 	#local bin
 	#for bin in $(<"${T}"/binlist) ; do
 	#	dobin "${T}"/${bin}