--- a/libvisual-plugins.SlackBuild	2021-02-13 03:38:46.714929306 +0200
+++ b/libvisual-plugins.SlackBuild	2021-02-13 03:39:12.150915080 +0200
@@ -55,6 +55,12 @@
 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=""