--- a/gpm.SlackBuild	2021-02-10 17:19:03.265897950 +0200
+++ b/gpm.SlackBuild	2021-02-10 17:19:35.097875298 +0200
@@ -58,6 +58,12 @@
 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"
 fi
 
 rm -rf $PKG