--- a/jail-2.0.ebuild	2014-07-10 16:52:12.000000000 +0800
+++ a/jail-2.0.ebuild	2014-07-10 22:52:47.621000000 +0800
@@ -32,18 +32,16 @@ 
 	sed -i "s:\$4/etc:\${D}/etc:g" install.sh || die
 
 	# the destination directory should be /usr not /usr/local
-	cd "${S}"/src
 	sed -i -e "s:usr/local:${D}/usr:g" \
-		-e "s:^COPT =.*:COPT = -Wl,-z,no:g" Makefile || die
+		-e "s:^COPT =.*:COPT = -Wl,-z,no:g" src/Makefile || die
 
 	# Below didn't work. Don't know why
 	#append-ldflags -Wl,-z,now
-	emake CC="$(tc-getCC)" CFLAGS="${CFLAGS}"
+	emake -C src CC="$(tc-getCC)" CFLAGS="${CFLAGS}"
 }
 
 src_install() {
-	cd "${S}"/src
-	einstall
+	emake -C src install
 
 	# remove //var/tmp/portage/${P}/image//usr from files
 	FILES=( "${D}/usr/bin/mkjailenv"
@@ -63,14 +61,10 @@ 
 		"${D}/usr/lib/arch/solaris/functions" )
 
 	for f in "${FILES[@]}"; do
-		# documentation says funtion 'dosed' is supposed to do this, but didn't know how to make it work :'(
-		# dosed ${file} || die "error in dosed"
 		sed -i "s:/${D}/usr:/usr:g" ${f} || die
 	done
 
-	cd "${D}"/usr/lib
-	sed -i "s:/usr/etc:/etc:" libjail.pm || die
+	sed -i "s:/usr/etc:/etc:" "${D}"/usr/lib/libjail.pm || die
 
-	cd "${S}"/doc
-	dodoc CHANGELOG INSTALL README SECURITY VERSION
+	dodoc doc/{CHANGELOG,INSTALL,README,SECURITY,VERSION}
 }