From 161d758ec06d54fafae31654e42823586eb724fe Mon Sep 17 00:00:00 2001
From: Bernard Davison <bernard@gondwana.com.au>
Date: Sun, 19 Jun 2011 23:05:00 +1000
Subject: [PATCH] Getting google maps version dynamically and writing it to
 conf/maps_data/version

---
 .gitignore         |  1 +
 Makefile           |  6 ++++--
 data/maps/Makefile | 13 +++++++++++++
 3 files changed, 18 insertions(+), 2 deletions(-)
 create mode 100644 data/maps/Makefile

diff --git a/.gitignore b/.gitignore
index 8864c07043..74824166ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,6 +46,7 @@
 /conf/control_panel.xml
 /conf/%gconf.xml
 /conf/srtm_data/*
+/conf/maps_data/*
 
 # /doc/pprz_algebra/
 /doc/pprz_algebra/headfile.log
diff --git a/Makefile b/Makefile
index 5e928b0fa7..7a2c6dde55 100644
--- a/Makefile
+++ b/Makefile
@@ -227,7 +227,7 @@ cleanspaces:
 distclean : dist_clean
 dist_clean : clean
 	rm -r conf/srtm_data
-
+	rm -r conf/maps_data
 
 ab_clean:
 	find sw/airborne -name '*~' -exec rm -f {} \;
@@ -248,8 +248,10 @@ sw/simulator/launchsitl:
 	cat src/$(@F) | sed s#OCAMLRUN#$(OCAMLRUN)# | sed s#OCAML#$(OCAML)# > $@
 	chmod a+x $@
 
-#.SUFFIXES: .hgt.zip
+#.SUFFIXES: .hgt.zip .jpg
 
 %.hgt.zip:
 	cd data/srtm; $(MAKE) $(@)
 
+%.jpg:
+	cd data/maps; $(MAKE) $(@)
diff --git a/data/maps/Makefile b/data/maps/Makefile
new file mode 100644
index 0000000000..3e5fecf937
--- /dev/null
+++ b/data/maps/Makefile
@@ -0,0 +1,13 @@
+DATADIR = $(PAPARAZZI_HOME)/conf/maps_data
+Q=@
+
+all: $(DATADIR)/index $(DATADIR)/version
+
+$(DATADIR):
+	mkdir $(DATADIR)
+
+$(DATADIR)/index: $(DATADIR)
+	$(@)wget -O $(@) http://maps.google.com/
+
+$(DATADIR)/version: $(DATADIR)/index
+	$(Q)grep -P "http://khm[0-9]+.google.com/kh/v=[0-9]+.x26" $(DATADIR)/index | sed -E s#.*http://khm[0-9]+.google.com/kh/v=## | sed -E s#.x26.*## > $(@)