# Set USE_PROJ to 1 for Proj4 reprojection support
#
USE_PROJ=1
-PROJ_DIR=/usr/local
+ifeq (${PROJ_DIR},)
+ PROJ_DIR=/usr/local
+endif
#---------------------------------------------------------------
# Set USE_GEOS to 1 for GEOS spatial predicate and operator
# support
#
USE_GEOS=1
-GEOS_DIR=/usr/local
+ifeq (${GEOS_DIR},)
+ GEOS_DIR=/usr/local
+endif
#---------------------------------------------------------------
# Set USE_STATS to 1 for new GiST statistics collection support