--- a/jfsutils.SlackBuild	2021-02-10 17:22:23.137755458 +0200
+++ b/jfsutils.SlackBuild	2021-02-10 17:23:23.993711952 +0200
@@ -53,6 +53,10 @@
   SLKCFLAGS="-O2 -fcommon"
 elif [ "$ARCH" = "x86_64" ]; then
   SLKCFLAGS="-O2 -fPIC -fcommon"
+elif [ "$ARCH" = "aarch64" ]; then
+  SLKCFLAGS="-O2 -fPIC -fcommon"
+elif [ "$ARCH" = "riscv64" ]; then
+  SLKCFLAGS="-O2 -fPIC -fcommon"
 fi
 
 rm -rf $PKG