Radix cross Linux 3pp sources

diff --git a/packages/Makefile b/packages/Makefile
index a72fa5c..35d9a43 100644
--- a/packages/Makefile
+++ b/packages/Makefile
@@ -6,6 +6,7 @@
 
 SUBDIRS := b \
            d \
+           j \
            s \
            x \
            y
diff --git a/packages/j/Makefile b/packages/j/Makefile
new file mode 100644
index 0000000..e9a9cc7
--- /dev/null
+++ b/packages/j/Makefile
@@ -0,0 +1,26 @@
+
+#
+# Following command helps to cheate SUBDIRS list:
+# $ tree -fid .
+#
+
+SUBDIRS := antlr-runtime \
+           ecj           \
+           fastjar
+
+
+all-recursive downloads_clean-recursive:
+	@set fnord $(MAKEFLAGS); amf=$$2; \
+	target=`echo $@ | sed s/-recursive//`; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  echo "Making $$target in $$subdir"; \
+	  local_target="$$target"; \
+	  (cd $$subdir && $(MAKE) $$fnord $$local_target) \
+	   || case "$$amf" in *=*) exit 1;; *k*) fail=yes;; *) exit 1;; esac; \
+	done; test -z "$$fail"
+
+all: all-recursive
+
+downloads_clean: downloads_clean-recursive
+
+.PHONY: all-recursive downloads_clean-recursive all downloads_clean
diff --git a/packages/j/antlr-runtime/Makefile b/packages/j/antlr-runtime/Makefile
new file mode 100644
index 0000000..0993e16
--- /dev/null
+++ b/packages/j/antlr-runtime/Makefile
@@ -0,0 +1,36 @@
+#
+# Downloads:
+# =========
+# https://oss.sonatype.org/content/repositories/releases/org/antlr/antlr-runtime
+#
+
+url         = https://oss.sonatype.org/content/repositories/releases/org/antlr/antlr-runtime
+
+versions    = 3.4 3.5.2 3.5.3
+
+pkgname     = antlr-runtime
+suffix      = jar
+
+tarballs    = $(addsuffix .$(suffix), $(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)/$$version/$$tarball ; \
+	done
+
+$(sha1s): %.$(suffix).sha1sum : %.$(suffix)
+	@for tarball in $< ; do \
+	  echo -e "\n======= Calculation the '$$tarball' sha1sum =======\n" ; \
+	  sha1sum --binary $$tarball > $$tarball.sha1sum ; \
+	done
+
+downloads_clean:
+	@rm -rf $(tarballs) $(sha1s)
diff --git a/packages/j/ecj/Makefile b/packages/j/ecj/Makefile
new file mode 100644
index 0000000..f7fa00f
--- /dev/null
+++ b/packages/j/ecj/Makefile
@@ -0,0 +1,34 @@
+#
+# Downloads:
+# =========
+# https://www.sourceware.org/pub/java/
+#
+
+url         = https://www.sourceware.org/pub/java
+
+versions    = 4.5 4.9
+pkgname     = ecj
+suffix      = jar
+
+tarballs    = $(addsuffix .$(suffix), $(addprefix $(pkgname)-, $(versions)))
+sha1s       = $(addsuffix .sha1sum, $(tarballs))
+
+
+all: $(tarballs) $(sha1s)
+
+.PHONY: downloads_clean
+
+$(tarballs):
+	@echo -e "\n======= Downloading source tarballs =======\n"
+	@for tarball in $(tarballs) ; do \
+	  wget -N $(url)/$$tarball ; \
+	done
+
+$(sha1s): %.$(suffix).sha1sum : %.$(suffix)
+	@for tarball in $< ; do \
+	  echo -e "\n======= Calculation the '$$tarball' sha1sum =======\n" ; \
+	  sha1sum --binary $$tarball > $$tarball.sha1sum ; \
+	done
+
+downloads_clean:
+	@rm -rf $(tarballs) $(sha1s)
diff --git a/packages/j/fastjar/Makefile b/packages/j/fastjar/Makefile
new file mode 100644
index 0000000..222c94b
--- /dev/null
+++ b/packages/j/fastjar/Makefile
@@ -0,0 +1,38 @@
+#
+# Project Home:
+# ============
+# https://savannah.nongnu.org/projects/fastjar
+#
+# Downloads:
+# =========
+# https://download.savannah.nongnu.org/releases/fastjar/
+#
+
+url         = https://download.savannah.nongnu.org/releases/fastjar
+
+versions    = 0.97 0.98
+pkgname     = fastjar
+suffix      = tar.gz
+
+tarballs    = $(addsuffix .$(suffix), $(addprefix $(pkgname)-, $(versions)))
+sha1s       = $(addsuffix .sha1sum, $(tarballs))
+
+
+all: $(tarballs) $(sha1s)
+
+.PHONY: downloads_clean
+
+$(tarballs):
+	@echo -e "\n======= Downloading source tarballs =======\n"
+	@for tarball in $(tarballs) ; do \
+	  wget -N $(url)/$$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)