--- a/alpine.SlackBuild	2021-02-13 01:26:45.097832403 +0200
+++ b/alpine.SlackBuild	2021-02-13 01:27:10.569818430 +0200
@@ -63,6 +63,10 @@
   SLKCFLAGS="-O2"
 elif [ "$ARCH" = "x86_64" ]; then
   SLKCFLAGS="-O2 -fPIC"
+elif [ "$ARCH" = "aarch64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+elif [ "$ARCH" = "riscv64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
 fi
 
 cd $TMP