package/minetest: add libspatialindex optional dependency

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/minetest/minetest.mk

@@ -16,7 +16,6 @@ MINETEST_CONF_OPTS = \
 	-DENABLE_GLES=OFF \
 	-DENABLE_LUAJIT=ON \
 	-DENABLE_CURSES=OFF \
-	-DENABLE_SPATIAL=OFF \
 	-DAPPLY_LOCALE_BLACKLIST=OFF \
 	-DENABLE_SYSTEM_GMP=ON \
 	-DENABLE_SYSTEM_JSONCPP=ON
@@ -69,6 +68,13 @@ else
 MINETEST_CONF_OPTS += -DENABLE_CURL=OFF
 endif
 
+ifeq ($(BR2_PACKAGE_LIBSPATIALINDEX),y)
+MINETEST_DEPENDENCIES += libspatialindex
+MINETEST_CONF_OPTS += -DENABLE_SPATIAL=ON
+else
+MINETEST_CONF_OPTS += -DENABLE_SPATIAL=OFF
+endif
+
 ifeq ($(BR2_PACKAGE_POSTGRESQL),y)
 MINETEST_DEPENDENCIES += postgresql
 MINETEST_CONF_OPTS += -DENABLE_POSTGRESQL=ON