Build GEOS

GEOS is an external dependency for GeoCouch.
Add make targets to build it.

Change-Id: I7ada3221dd57e1377b5c51150c950d9b939a765e
Reviewed-on: http://review.couchbase.org/11806
Reviewed-by: Filipe David Borba Manana <fdmanana@gmail.com>
Tested-by: Filipe David Borba Manana <fdmanana@gmail.com>

Makefile.top

@@ -31,6 +31,10 @@ COMPONENTS += sigar portsigar
 BUILD_SIGAR := 1
 endif
 
+ifneq "$(realpath geos)" ""
+BUILD_GEOS := 1
+endif
+
 ifdef FOR_WINDOWS
 COMPONENTS := $(filter-out memcachetest libcouchbase, $(COMPONENTS))
 endif
@@ -202,8 +206,8 @@ make-install-ns_server: make-install-geocouch
 	cd ns_server && ./configure "--prefix=$(PREFIX)"
 	$(MAKE) -C ns_server install "PREFIX=$(PREFIX)"
 
-make-install-geocouch:
-	$(MAKE) -C geocouch COUCH_SRC=../couchdb/src/couchdb
+make-install-geocouch: build-geos
+	$(MAKE) -C geocouch COUCH_SRC=../couchdb/src/couchdb "CFLAGS=-I$(PREFIX)/include $(CFLAGS)" "LDFLAGS=-L$(PREFIX)/lib $(LDFLAGS)"
 	mkdir -p $(DESTDIR)$(PREFIX)/lib/couchdb/plugins/geocouch/ebin
 	cp -r geocouch/ebin/* $(DESTDIR)$(PREFIX)/lib/couchdb/plugins/geocouch/ebin
 	mkdir -p $(DESTDIR)$(PREFIX)/lib/couchdb/plugins/geocouch/deps/erlgeom
@@ -241,6 +245,12 @@ ifdef PLEASE_BUILD_COUCH_DEPS
 deps-for-couchdb: make-install-couchdb-deps
 endif
 
+ifdef BUILD_GEOS
+build-geos: make-install-geos
+else
+build-geos:
+endif
+
 WRAPPERS := $(patsubst %, $(PREFIX)/bin/%, memcached-wrapper moxi-wrapper)
 
 $(WRAPPERS): $(PREFIX)/bin/%: tlm/%.in
@@ -369,6 +379,15 @@ make-install-icu4c: icu4c/source/Makefile
 
 make-install-couchdb-deps: make-install-spidermonkey make-install-icu4c
 
+
+geos/Makefile:
+	(cd geos && ./autogen.sh && ./configure "--prefix=$(PREFIX)")
+
+make-install-geos: geos/Makefile
+	$(MAKE) -C geos
+	$(MAKE) -C geos install
+
+
 CHECK_COMPONENTS ?= $(COMPONENTS)
 
 CHECK_TARGETS := $(patsubst %, check-%, $(CHECK_COMPONENTS))