>From 64a8d5e2db6c994be4d1f9d28085f2a9e0baa112 Mon Sep 17 00:00:00 2001
From: Bruno Haible <address@hidden>
Date: Sun, 10 May 2020 20:23:23 +0200
Subject: [PATCH] Prepare for versioning of libpoke.

* libpoke/Makefile.am (LTV_*): New variables.
(libpoke_la_LDFLAGS): Add -version-info option.
---
 ChangeLog           | 6 ++++++
 libpoke/Makefile.am | 9 ++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 61f4194..cf47191 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2020-05-10  Bruno Haible  <address@hidden>
 
+	Prepare for versioning of libpoke.
+	* libpoke/Makefile.am (LTV_*): New variables.
+	(libpoke_la_LDFLAGS): Add -version-info option.
+
+2020-05-10  Bruno Haible  <address@hidden>
+
 	Fix wrong rpath in poke/.libs/lt-poke.
 	* poke/Makefile.am (poke_LDADD): Use LTLIBTEXTSTYLE, not LIBTEXTSTYLE.
 
diff --git a/libpoke/Makefile.am b/libpoke/Makefile.am
index 4ff355c..e789460 100644
--- a/libpoke/Makefile.am
+++ b/libpoke/Makefile.am
@@ -79,6 +79,13 @@ MOSTLYCLEANFILES += pkl-tab.output
 
 AM_LFLAGS = -d
 
+# Libtool's library version information for libpoke.
+# See the libtool documentation, section "Library interface versions".
+# Before making a release, use gnulib/build-aux/libtool-next-version.
+LTV_CURRENT=0
+LTV_REVISION=0
+LTV_AGE=0
+
 libpoke_la_CPPFLAGS = -I$(top_builddir)/gl-libpoke -I$(top_srcdir)/gl-libpoke \
                       -I$(top_srcdir)/common \
                       -DPKL_DEBUG \
@@ -89,7 +96,7 @@ libpoke_la_CFLAGS = -Wall $(BDW_GC_CFLAGS) $(LIBNBD_CFLAGS)
 libpoke_la_LIBADD = ../gl-libpoke/libgnu.la libpvmjitter.la \
                     $(BDW_GC_LIBS) \
                     $(LIBNBD_LIBS)
-libpoke_la_LDFLAGS =
+libpoke_la_LDFLAGS = -version-info $(LTV_CURRENT):$(LTV_REVISION):$(LTV_AGE)
 
 # Integration with jitter.
 
-- 
2.7.4