diff --git a/functions.sh b/functions.sh
index 38f1e19..e6c85d4 100644
--- a/functions.sh
+++ b/functions.sh
@@ -49,7 +49,9 @@ sit_unpack() {
 
 src_configure() {
 	${SRCDIR}/configure --prefix=$PREFIX $CONFIGURE_OPTS
-    cp config.log $LOGDIR
+    if [ ! -z $LOGDIR ] ; then
+        cp config.log $LOGDIR
+    fi
 }
 sit_configure() {
     sit_info "Configuring sources ..."
diff --git a/install_toolchain.sh b/install_toolchain.sh
index 3b634a1..805f761 100755
--- a/install_toolchain.sh
+++ b/install_toolchain.sh
@@ -6,6 +6,8 @@
 set -e
 set -x
 
+source "functions.sh"
+
 export ORIGDIR=`pwd`
 export SIT_DIR=$(dirname "$ORIGDIR/$0")
 echo $SIT_DIR
@@ -27,45 +29,6 @@ LIBTOOL_VERSION=2.2.10
 AUTOCONF_VERSION=2.65
 AUTOMAKE_VERSION=1.11.1
 
-function sit_fail() {
-	msg=$0
-	echo "$msg"
-	exit 1
-}
-
-function sit_unpack() {
-	if [ ! -e ${SRC_POOL}/${A} ]
-	then
-		sit_fail "${SRC_POOL}/${A} doesn't exist"
-	fi 
-	case "${A##*.}" in
-    	bz2)
-       	 	tar xfjv ${SRC_POOL}/${A} || sit_fail
-       		;;
-    	gz|tgz)
-        	tar xfzv ${SRC_POOL}/${A} || sit_fail
-        	;;
-		xz)
-			tar xfJv ${SRC_POOL}/${A} || sit_fail
-			;;
-    	*)
-        	sit_fail "Archive format not recogized"
-        	;;
-	esac
-}
-
-function sit_configure() {
-	cd ${BUILDDIR=}
-	${SRCDIR}/configure --prefix=$PREFIX
-}
-
-function sit_build() {
-	make $MAKEOPTS
-}
-
-function sit_install() {
-	make install
-}
 
 function sit_auto_install() {
 	export WORKDIR=$WORKDIR_BASE/${P}
@@ -77,6 +40,7 @@ function sit_auto_install() {
 	fi
 	mkdir -p ${WORKDIR}
 	mkdir -p ${BUILDDIR}
+	mkdir -p ${PREFIX}
 	cd ${WORKDIR}
 	sit_unpack
 	sit_configure