Radix cross Linux Toolchains

Index: Makefile
===================================================================
--- Makefile	(nonexistent)
+++ Makefile	(revision 5)
@@ -0,0 +1,65 @@
+#
+# Project Home:
+# ============
+# http://www.sourceware.org/newlib/
+#
+# Source snapshots:
+# ================
+# ftp://sources.redhat.com/pub/newlib/newlib-1.18.0.tar.gz
+#
+
+COMPONENT_TARGETS = $(TOOLCHAIN_NOARCH)
+
+
+include ../../build-system/config.mk
+
+
+main_url    = ftp://sources.redhat.com/pub/newlib
+url         = $(DOWNLOAD_SERVER)/sources/newlib
+
+versions    = 4.2.0.20211231
+
+tarballs    = $(addsuffix .tar.gz, $(addprefix newlib-, $(versions)))
+sha1s       = $(addsuffix .sha1sum, $(tarballs))
+
+patches     = $(CURDIR)/patches/newlib-4.2.0.20211231-riscv.patch
+
+
+.NOTPARALLEL: $(patches)
+
+
+BUILD_TARGETS = $(tarballs) $(sha1s) $(patches)
+
+
+include ../../build-system/core.mk
+
+
+.PHONY: download_clean
+
+
+$(tarballs):
+	@echo -e "\n======= Downloading source tarballs =======" ; \
+	 for tarball in $(tarballs) ; do \
+	   echo "$(url)/$$tarball" | xargs -n 1 -P 100 wget $(WGET_OPTIONS) - & \
+	 done ; wait
+
+$(sha1s): $(tarballs)
+	@for sha in $@ ; do \
+	   echo -e "\n======= Downloading '$$sha' signature =======\n" ; \
+	   echo "$(url)/$$sha" | xargs -n 1 -P 100 wget $(WGET_OPTIONS) - & wait %1 ; \
+	   touch $$sha ; \
+	   echo -e "\n======= Check the '$$sha' sha1sum =======\n" ; \
+	   sha1sum --check $$sha ; ret="$$?" ; \
+	   if [ "$$ret" == "1" ]; then \
+	     echo -e "\n======= ERROR: Bad '$$sha' sha1sum =======\n" ; \
+	     exit 1 ; \
+	   fi ; \
+	 done
+
+$(patches): $(sha1s)
+	@echo -e "\n======= Create Patches =======\n" ; \
+	 ( cd create-4.2.0.20211231-riscv-patch ; ./create.patch.sh ) ; \
+	 echo -e "\n"
+
+download_clean:
+	@rm -f $(tarballs) $(sha1s) $(patches)