@@ -15,14 +15,21 @@
 SRC="src/metakit-${MK4VERS}.tar.gz"
 SRCURL="http://www.equi4.com/pub/mk/metakit-${MK4VERS}.tar.gz"
 BUILDDIR="$(pwd)/build/metakit-${MK4VERS}"
 OUTDIR="$(pwd)/out"
 INSTDIR="$(pwd)/inst"
-export MK4VERS SRC SRCURL BUILDDIR OUTDIR INSTDIR
+PATCHDIR="$(pwd)/patches"
+export MK4VERS SRC SRCURL BUILDDIR OUTDIR INSTDIR PATCHDIR
 
 rm -rf 'build' 'out' 'inst'
 mkdir 'build' 'out' 'inst' || exit 1
+
+TCL_VERSION="unknown"
+if [ -f "${TCLCONFIGDIR}/tclConfig.sh" ]; then
+        source "${TCLCONFIGDIR}/tclConfig.sh"
+fi
+export TCL_VERSION
 
 if [ ! -f "${SRC}" ]; then
 	mkdir 'src' >/dev/null 2>/dev/null
 
 	wget -O "${SRC}" "${SRCURL}" || exit 1
@@ -31,10 +38,20 @@
 (
 	cd 'build' || exit 1
 
 	gzip -dc "../${SRC}" | tar -xf -
 
+	# Apply required patches
+	cd "${BUILDDIR}" || exit 1
+	for patch in "${PATCHDIR}/all"/metakit-${MK4VERS}-*.diff "${PATCHDIR}/${TCL_VERSION}"/metakit-${MK4VERS}-*.diff; do
+		if [ ! -f "${patch}" ]; then
+			continue
+		fi
+
+		echo "Applying: ${patch}"
+		patch -p1 < "${patch}"
+	done
 
 	cd "${BUILDDIR}/unix" || exit 1
 
 	# Build static libraries for linking against Tclkit
 	./configure --disable-shared --prefix="${INSTDIR}" --exec-prefix="${INSTDIR}" --with-tcl="${TCLCONFIGDIR}/../generic" ${CONFIGUREEXTRA}