--- gentoo_packages.old	2013-08-09 20:19:01.000000000 +0800
+++ _gentoo_packages	2013-08-11 15:50:22.777893969 +0800
@@ -15,6 +15,8 @@
 	    local $var="`. /etc/make.conf 2>/dev/null; echo ${(P)var}`"
 	[[ -z ${(P)var} && -r /usr/share/portage/config/make.globals ]] &&
 	    local $var="`. /usr/share/portage/config/make.globals 2>/dev/null; echo ${(P)var}`"
+	[[ -z ${(P)var} ]] &&
+	    local $var="`portageq envvar PORTDIR`"
 
     flags=( ${${(M)${(f)"$(<$PORTDIR/profiles/use.desc)"}:#* - *}%% - *}
     ${${${(M)${(f)"$(<$PORTDIR/profiles/use.local.desc)"}#* - *}%% - *}#*:} )
@@ -40,6 +42,8 @@
 	    local $var="`. /etc/make.conf 2>/dev/null; echo ${(P)var}`"
 	[[ -z ${(P)var} && -r /usr/share/portage/config/make.globals ]] &&
 	    local $var="`. /usr/share/portage/config/make.globals 2>/dev/null; echo ${(P)var}`"
+	[[ -z ${(P)var} ]] &&
+	    local $var="`portageq envvar PORTDIR`"
     done
     trees=($PORTDIR $=PORTDIR_OVERLAY)
     category=( $trees/*-*(/:t) )
@@ -79,6 +83,8 @@
 	    local $var="`. /etc/make.conf 2>/dev/null; echo ${(P)var}`"
 	[[ -z ${(P)var} && -r /usr/share/portage/config/make.globals ]] &&
 	    local $var="`. /usr/share/portage/config/make.globals 2>/dev/null; echo ${(P)var}`"
+	[[ -z ${(P)var} ]] &&
+	    local $var="`portageq envvar PORTDIR`"
     done
     trees=( $PORTDIR $=PORTDIR_OVERLAY)
 
@@ -96,6 +102,8 @@
 	    local $var="`. /etc/make.conf 2>/dev/null; echo ${(P)var}`"
 	[[ -z ${(P)var} && -r /usr/share/portage/config/make.globals ]] &&
 	    local $var="`. /usr/share/portage/config/make.globals 2>/dev/null; echo ${(P)var}`"
+	[[ -z ${(P)var} ]] &&
+	    local $var="`portageq envvar PORTDIR`"
     done
     trees=( $PORTDIR $=PORTDIR_OVERLAY)
     category=( $trees/*-*(/:t) )
@@ -126,6 +134,8 @@
 	    local $var="`. /etc/make.conf 2>/dev/null; echo ${(P)var}`"
 	[[ -z ${(P)var} && -r /usr/share/portage/config/make.globals ]] &&
 	    local $var="`. /usr/share/portage/config/make.globals 2>/dev/null; echo ${(P)var}`"
+	[[ -z ${(P)var} ]] &&
+	    local $var="`portageq envvar PORTDIR`"
     done
     trees=($PORTDIR $=PORTDIR_OVERLAY)
     category=( $trees/*-*(/:t) )