@@ -38,13 +38,24 @@
 		cd build || exit 1
 		gzip -dc ../src/tcl8.4.19.tar.gz | tar -xf -
 	)
 
 	TCLPRIVATE="$(pwd)/build/tcl8.4.19"
+	export TCLPRIVATE
+
+	(
+		cd "${TCLPRIVATE}/unix" || exit 1
+
+		./configure
+
+		${MAKE:-make}
+	)
+
+	TCLCONFIGDIR="${TCLPRIVATE}/unix"
 fi
 echo "TCLPRIVATE = \"${TCLPRIVATE}\""
-CFLAGS="${CFLAGS} -I${TCLPRIVATE} -I${TCLPRIVATE}/generic -I${TCLPRIVATE}/unix"
+CFLAGS="-I${TCLPRIVATE} -I${TCLPRIVATE}/generic -I${TCLPRIVATE}/unix ${CFLAGS}"
 export CFLAGS
 
 
 (
 	cd build/ || exit 1