--- a/mozjs102.SlackBuild	2023-02-01 05:00:40.072979358 +0000
+++ b/mozjs102.SlackBuild	2023-02-02 19:33:42.956444540 +0000
@@ -59,6 +59,12 @@ if [ "$ARCH" = "i586" ]; then
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-O2 -march=i686 -mtune=i686"
   LIBDIRSUFFIX=""
+elif [ "$ARCH" = "aarch64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+elif [ "$ARCH" = "riscv64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
 elif [ "$ARCH" = "x86_64" ]; then
   SLKCFLAGS="-O2 -fPIC"
   LIBDIRSUFFIX="64"
@@ -91,6 +97,10 @@ find . \
 ( cd $CWD/autoconf ; ./autoconf.build )
 PATH=$TMP/autoconf-tmp/usr/bin:$PATH
 
+# Choose a compiler (gcc/g++ or clang/clang++):
+export CC=${CC:-gcc}
+export CXX=${CXX:-g++}
+
 # Patches from Fedora:
 zcat $CWD/patches/fix-soname.patch.gz | patch -p1 --verbose || exit 1
 zcat $CWD/patches/copy-headers.patch.gz | patch -p1 --verbose || exit 1