--- a/dhcp.SlackBuild	2021-03-09 21:03:09.315661075 +0000
+++ b/dhcp.SlackBuild	2021-03-09 21:04:32.267281142 +0000
@@ -62,6 +62,12 @@
 elif [ "$ARCH" = "x86_64" ]; then
   SLKCFLAGS="-O2 -fPIC -fcommon"
   LIBDIRSUFFIX="64"
+elif [ "$ARCH" = "aarch64" ]; then
+  SLKCFLAGS="-O2 -fPIC -fcommon"
+  LIBDIRSUFFIX="64"
+elif [ "$ARCH" = "riscv64" ]; then
+  SLKCFLAGS="-O2 -fPIC -fcommon"
+  LIBDIRSUFFIX="64"
 else
   SLKCFLAGS="-O2 -fcommon"
   LIBDIRSUFFIX=""
@@ -85,6 +91,10 @@
 # Add PATH setting to /sbin/dhclient-script
 zcat $CWD/dhclient-script.PATH.diff.gz | patch -p1 || exit 1
 
+xzcat $CWD/config.guess.xz > config.guess || exit 1
+xzcat $CWD/config.sub.xz > config.sub || exit 1
+xzcat $CWD/Makefile.in.patch.xz | patch -p1 || exit 1
+
 # Fix paths in manual pages
 sed -i \
     -e "s,ETCDIR,/etc,g" \