--- a/mozilla-nss.SlackBuild	2021-06-11 18:07:42.381113558 +0000
+++ b/mozilla-nss.SlackBuild	2021-06-12 13:18:35.206770785 +0000
@@ -60,6 +60,14 @@
 elif [ "$ARCH" = "armv7hl" ]; then
   SLKCFLAGS="-O2 -march=armv7-a -mfpu=vfpv3-d16"
   LIBDIRSUFFIX=""
+elif [ "$ARCH" = "aarch64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+  export USE_64=1
+elif [ "$ARCH" = "riscv64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+  export USE_64=1
 else
   SLKCFLAGS="-O2"
   LIBDIRSUFFIX=""
@@ -92,8 +100,12 @@
   \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
   -exec chmod 644 {} \+
 
+if [[ $ARCH == "arch64" || $ARCH == "riscv64" ]]; then
+    OPTIONS="-Ddisable_arm32_neon=1 -Ddisable_arm_hw_aes=1 -Ddisable_arm_hw_sha1=1 -Ddisable_arm_hw_sha2=1"
+fi
+
 cd nss
-./build.sh -v $NUMJOBS --opt --system-sqlite --enable-libpkix --disable-tests
+./build.sh -v $NUMJOBS --opt --system-sqlite --enable-libpkix --disable-tests $OPTIONS
 cd -
 
 # Install all the needed stuff to the package dir: