[empathy] Turn libempathy-gtk to a public lib

[Guillaume Desmottes <gdesmott src gnome org>]

commit 8d706a1e765e6bc74ecf7b3855df3fd03b92f62c
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Thu Jul 12 11:24:44 2012 +0200

    Turn libempathy-gtk to a public lib
    
    We use "-release" versioning as it's not meant to be used out of Empathy's
    tree.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=679786

 libempathy-gtk/Makefile.am |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/libempathy-gtk/Makefile.am b/libempathy-gtk/Makefile.am
index 071129b..dd0aea6 100644
--- a/libempathy-gtk/Makefile.am
+++ b/libempathy-gtk/Makefile.am
@@ -25,8 +25,6 @@ BUILT_SOURCES = 					\
 	empathy-gtk-enum-types.h			\
 	empathy-gtk-enum-types.c
 
-noinst_LTLIBRARIES = libempathy-gtk.la
-
 libempathy_gtk_handwritten_source =            	\
 	empathy-account-chooser.c		\
 	empathy-account-selector-dialog.c		\
@@ -163,6 +161,14 @@ libempathy_gtk_headers =			\
 	empathy-webkit-utils.h			\
 	$(NULL)
 
+pkglib_LTLIBRARIES = libempathy-gtk.la
+
+# libempathy-gtk's API is not stable and will never be, so use -release to make the
+# SONAME of the plugin library change with every Empathy release.
+libempathy_gtk_la_LDFLAGS = \
+   -no-undefined \
+   -release $(VERSION) \
+   $(NULL)
 
 libempathy_gtk_la_SOURCES =			\
 	$(libempathy_gtk_handwritten_source)	\