Radix cross Linux 3pp sources

diff --git a/packages/x/Makefile b/packages/x/Makefile
index 64af657..0d016eb 100644
--- a/packages/x/Makefile
+++ b/packages/x/Makefile
@@ -53,6 +53,7 @@ SUBDIRS := Vulkan               \
            mesa-demos           \
            mozilla-firefox      \
            mozilla-thunderbird  \
+           mozjs                \
            mtdev                \
            nitrogen             \
            obconf               \
diff --git a/packages/x/mozjs/Makefile b/packages/x/mozjs/Makefile
new file mode 100644
index 0000000..3df6d1d
--- /dev/null
+++ b/packages/x/mozjs/Makefile
@@ -0,0 +1,40 @@
+#
+# Project Home:
+# ============
+#   https://www-archive.mozilla.org/projects/
+#
+# Downloads:
+# =========
+#   https://archive.mozilla.org/pub/firefox/releases/$(VERSION)/
+#
+
+url         = https://archive.mozilla.org/pub/firefox/releases
+
+versions    = 102.15.0esr
+
+pkgname     = firefox
+suffix      = tar.xz
+
+tarballs    = $(addsuffix .$(suffix), $(addsuffix .source, $(addprefix $(pkgname)-, $(versions))))
+sha1s       = $(addsuffix .sha1sum, $(tarballs))
+
+
+all: $(tarballs) $(sha1s)
+
+.PHONY: downloads_clean
+
+$(tarballs):
+	@echo -e "\n======= Downloading source tarballs =======\n"
+	@for tarball in $(tarballs) ; do \
+	  version=`echo $$tarball | sed 's/\([a-zA-Z-]*\)\([0-9]*[.0-9esr]*\)\([\.].*\)/\2/'` ; \
+	  wget -N $(url)/$$version/source/$$tarball ; \
+	done
+
+$(sha1s): %.$(suffix).sha1sum : %.$(suffix)
+	@for tarball in $< ; do \
+	  echo -e "\n======= Calculation the '$$tarball' sha1sum =======\n" ; \
+	  sha1sum --binary $$tarball > $$tarball.sha1sum ; \
+	done
+
+downloads_clean:
+	@rm -rf $(tarballs) $(sha1s)