Radix cross Linux 3pp sources

diff --git a/packages/x/mozilla-thunderbird/Makefile b/packages/x/mozilla-thunderbird/Makefile
new file mode 100644
index 0000000..ab543e7
--- /dev/null
+++ b/packages/x/mozilla-thunderbird/Makefile
@@ -0,0 +1,41 @@
+#
+# Project Home:
+# ============
+# https://www-archive.mozilla.org/projects/
+#
+# Downloads:
+# =========
+# https://archive.mozilla.org/pub/thunderbird/releases/${VERSION}
+#
+
+url         = https://archive.mozilla.org/pub/thunderbird/releases
+
+versions    = 45.0 45.8.0
+versions   += 102.9.1
+
+pkgname     = thunderbird
+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/\([a-zA-Z-]*\)\([0-9]*[.0-9]*\)\([\.].*\)/\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)