AC_SUBST([POSTGIS_MINOR_VERSION])
AC_SUBST([POSTGIS_MICRO_VERSION])
+dnl
+dnl Convert PostGIS version info into liblwgeom libtool-happy numbers
+dnl
+LIBLWGEOM_CURRENT=`expr $POSTGIS_MAJOR_VERSION + $POSTGIS_MINOR_VERSION`
+LIBLWGEOM_AGE=$POSTGIS_MINOR_VERSION
+LIBLWGEOM_REV=`echo $POSTGIS_MICRO_VERSION | perl -p -e 's/(\d+)\w*\d*/$1/g'`
+AC_SUBST([LIBLWGEOM_CURRENT])
+AC_SUBST([LIBLWGEOM_AGE])
+AC_SUBST([LIBLWGEOM_REV])
+
+
dnl
dnl Search for flex/bison to build the parser
dnl
INSTALL = $(SHELL) ../install-sh
LIBTOOL = @LIBTOOL@
-IFACE_CURRENT = $(shell expr @POSTGIS_MAJOR_VERSION@ + @POSTGIS_MINOR_VERSION@ )
-IFACE_AGE = @POSTGIS_MINOR_VERSION@
-IFACE_REV = $(subst dev,,@POSTGIS_MICRO_VERSION@)
+IFACE_CURRENT = @LIBLWGEOM_CURRENT@
+IFACE_AGE = @LIBLWGEOM_AGE@
+IFACE_REV = @LIBLWGEOM_REV@
VERSION_INFO = $(IFACE_CURRENT):$(IFACE_REV):$(IFACE_AGE)