diff --git a/build.sh.generic b/build.sh.generic
index 5e7d5c6..122e16e 100644
--- a/build.sh.generic
+++ b/build.sh.generic
@@ -15,7 +15,7 @@ source[0]=$topdir-$version.tar.gz
 patch[0]=
 
 # Source function library
-. ${HOME}/buildpkg/scripts/buildpkg.functions
+. ${BUILDPKG_BASE}/scripts/buildpkg.functions
 
 # Fill in pkginfo values if necessary
 # using pkgname,name,pkgcat,pkgvendor & pkgdesc
diff --git a/buildpkg.functions b/buildpkg.functions
index 6e5756d..538c3e1 100644
--- a/buildpkg.functions
+++ b/buildpkg.functions
@@ -2,7 +2,15 @@
 # Global function library for buildpkg
 #
 # This file is designed to be sourced by pr. package buildscripts
+#
+# We rely on an environment variable called BUILDPKG_BASE to
+# define the root of the buildpkg tree
 # 
+buildpkgbase=${BUILDPKG_BASE-'x'}
+if [ "$buildpkgbase" == "x" ]; then
+    echo "You *Must* define BUILDPKG_BASE environment variable"
+    exit 1
+fi
 
 # Variables that *must* be overridden pr. package
 # They are used to construct paths and more so they
@@ -44,7 +52,7 @@ LS=/usr/bin/ls
 EXPR=/usr/bin/expr
 
 # Define defaults
-buildpkgbase=${HOME}/buildpkg
+buildpkgbase=$BUILDPKG_BASE
 stagedir=$buildpkgbase/$topdir/stage
 srcdir=$buildpkgbase/$topdir/src
 patchdir=$srcdir # Allow the possibility of easily putting a load of patches in a different location
diff --git a/buildpkg.packaging.irix b/buildpkg.packaging.irix
index 67502a8..bde5a90 100644
--- a/buildpkg.packaging.irix
+++ b/buildpkg.packaging.irix
@@ -24,7 +24,7 @@ declare -a pctop # Array of toplevel product categories (image)
 declare -a pdtop # Array of matching descriptions
 
 #override defaults
-pkgprefix=sb_
+pkgprefix=tgc_
 pkgname=$pkgprefix$topdir
 
 os=irix`$UNAME -r`
diff --git a/subsys.conf b/subsys.conf
index 46f4233..1b2b49b 100644
--- a/subsys.conf
+++ b/subsys.conf
@@ -1,4 +1,6 @@
 bin sw.base keep root sys Base Software
+sbin sw.base 0744 root sys Base Software
+etc sw.base keep root sys Base Software
 libexec sw.base keep root sys Base Software
 mips-sgi-irix5.3 sw.base keep root sys Base Software
 mips-sgi-irix6.2 sw.base keep root sys Base Software
@@ -8,3 +10,4 @@ info man.doc keep root sys Documentation
 man man.manpages keep root sys Manpages
 doc man.doc keep root sys Documentation
 share sw.base keep root sys Base Software
+ssl sw.base keep root sys Base Software