From 8a6b6f0880c693cb7a655b04a5638d9cac6fe70c Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@keybit.net>
Date: Thu, 30 Jul 2015 09:57:08 +0000
Subject: [PATCH] Switch to versioned liblwgeom interface (#2278)

See
https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html

git-svn-id: http://svn.osgeo.org/postgis/trunk@13855 b70326c6-7e19-0410-871a-916f4a2858ee
---
 NEWS                  | 1 +
 liblwgeom/Makefile.in | 9 +++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/NEWS b/NEWS
index 88095b9ef..781b5d8d9 100644
--- a/NEWS
+++ b/NEWS
@@ -96,6 +96,7 @@ PostGIS 2.2.0
 
  * Enhancements *
 
+  - #2278, Make liblwgeom compatible between minor releases
   - #897, ST_AsX3D support for GeoCoordinates and systems "GD" "WE"
            ability to flip x/y axis (use option = 2, 3)
   - ST_Split: allow splitting lines by multilines, multipoints
diff --git a/liblwgeom/Makefile.in b/liblwgeom/Makefile.in
index a218f0511..84247b272 100644
--- a/liblwgeom/Makefile.in
+++ b/liblwgeom/Makefile.in
@@ -22,7 +22,11 @@ SHELL = @SHELL@
 INSTALL = $(SHELL) ../install-sh
 LIBTOOL = @LIBTOOL@
 
-SOVER = @POSTGIS_MAJOR_VERSION@.@POSTGIS_MINOR_VERSION@.@POSTGIS_MICRO_VERSION@
+IFACE_CURRENT = $(shell expr @POSTGIS_MAJOR_VERSION@ + @POSTGIS_MINOR_VERSION@ )
+IFACE_AGE = @POSTGIS_MINOR_VERSION@
+IFACE_REV = $(subst dev,,@POSTGIS_MICRO_VERSION@)
+
+VERSION_INFO = $(IFACE_CURRENT):$(IFACE_REV):$(IFACE_AGE)
 
 
 YACC=@YACC@
@@ -156,7 +160,8 @@ $(LT_OBJS): ../postgis_config.h ../postgis_svn_revision.h $(SA_HEADERS)
 #ar rs liblwgeom.a $(SA_OBJS) $(NM_OBJS)
 
 liblwgeom.la: $(LT_OBJS)
-	$(LIBTOOL) --tag=CC --mode=link $(CC) -rpath $(libdir) $(LT_OBJS) -release $(SOVER) $(LDFLAGS) -o $@
+	$(LIBTOOL) --tag=CC --mode=link $(CC) -rpath $(libdir) $(LT_OBJS) \
+             -version-info $(VERSION_INFO) $(LDFLAGS) -o $@
 
 maintainer-clean: clean
 	rm -f lwin_wkt_lex.c
-- 
2.50.0