From eb387f9a5775ec603a2a156afc27af1f1746d2e6 Mon Sep 17 00:00:00 2001
From: Thierry Parmentelat <thierry.parmentelat@sophia.inria.fr>
Date: Tue, 22 Nov 2011 14:07:20 +0100
Subject: [PATCH] dual mirror

---
 Makefile | 59 +++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 35 insertions(+), 24 deletions(-)

diff --git a/Makefile b/Makefile
index 8afad8e..9c88af1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,33 +1,44 @@
-# $Id$
-
+#
 WEBFETCH := wget
-SHA1SUM	= sha1sum
-
-# default - overridden by the build
-SPECFILE = pyOpenSSL.spec
-
-main.URL	:= http://build.planet-lab.org/third-party/pyOpenSSL-0.9.tar.gz
-main.SHA1SUM    := d39eeb26c73e4b96804e1e403e2136062910b6c2
-main.FILE	:= $(notdir $(main.URL))
-
-# Thierry - when called from within the build, PWD is /build
-SOURCEFILES := $(main.FILE)
-
-$(main.FILE): #FORCE
-	@if [ ! -e "$@" ] ; then echo "$(WEBFETCH) $(main.URL)" ; $(WEBFETCH) $(main.URL) ; fi
-	@if [ ! -e "$@" ] ; then echo "Could not download source file: $@ does not exist" ; exit 1 ; fi
-	@if test "$$(sha1sum $@ | awk '{print $$1}')" != "$(main.SHA1SUM)" ; then \
-	    echo "sha1sum of the downloaded $@ does not match the one from 'sources' file" ; \
-	    echo "Local copy: $$(sha1sum $@)" ; \
-	    echo "In sources: $$(grep $@ sources)" ; \
-	    exit 1 ; \
+SHA1SUM	 := sha1sum
+
+ALL			+= pyopenssl
+pyopenssl-URL1		:= http://build.planet-lab.org/third-party/pyOpenSSL-0.9.tar.gz
+pyopenssl-URL2		:= http://mirror.onelab.eu/third-party/pyOpenSSL-0.9.tar.gz
+pyopenssl-SHA1SUM	:= d39eeb26c73e4b96804e1e403e2136062910b6c2
+pyopenssl-FILE		:= $(notdir $(pyopenssl-URL1))
+
+all: $(ALL)
+.PHONY: all
+
+##############################
+define download_target
+$(1): $($(1))
+.PHONY: $(1)
+$($(1)): 
+	@if [ ! -e "$($(1))" ] ; then \
+	{ echo Using primary; echo "$(WEBFETCH) $($(1)-URL1)" ; $(WEBFETCH) $($(1)-URL1) ; } || \
+	{ echo Using secondary; echo "$(WEBFETCH) $($(1)-URL2)" ; $(WEBFETCH) $($(1)-URL2) ; } ; fi
+	@if [ ! -e "$($(1))" ] ; then echo "Could not download source file: $($(1)) does not exist" ; exit 1 ; fi
+	@if test "$$$$($(SHA1SUM) $($(1)) | awk '{print $$$$1}')" != "$($(1)-SHA1SUM)" ; then \
+	    echo "sha1sum of the downloaded $($(1)) does not match the one from 'Makefile'" ; \
+	    echo "Local copy: $$$$($(SHA1SUM) $($(1)))" ; \
+	    echo "In Makefile: $($(1)-SHA1SUM)" ; \
+	    false ; \
 	else \
-	    ls -l $@ ; \
+	    ls -l $($(1)) ; \
 	fi
+endef
 
-sources: $(SOURCEFILES)
+$(eval $(call download_target,pyopenssl))
+
+sources: $(ALL) 
 .PHONY: sources
 
+####################
+# default - overridden by the build
+SPECFILE = pyOpenSSL.spec
+
 PWD=$(shell pwd)
 PREPARCH ?= noarch
 RPMDIRDEFS = --define "_sourcedir $(PWD)" --define "_builddir $(PWD)" --define "_srcrpmdir $(PWD)" --define "_rpmdir $(PWD)"
-- 
2.43.0