configure: regroup autoconf substituted variable

This is part of an effort to standardise our autotools setup across
project to simplify maintenance.

Change-Id: If2938c615477604693787ea69c956a37931cef13
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/configure.ac b/configure.ac
index 03be435ef7c7363be974e7ec0af3175f73ddf9ba..54915cbd5ebdf833353659863f09f66e586288e2 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -483,6 +483,15 @@ AM_CONDITIONAL([HAVE_CXX], [test "$HAVE_CXX11" = "1"])
 AM_CONDITIONAL([HAVE_JAVAH], [test "x$JAVAH" != "x"])
 AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$ac_cv_header_linux_perf_event_h" = "xyes"])
 
+
+##                                             ##
+## Substitute variables for use in Makefile.am ##
+##                                             ##
+
+# Library versions for libtool
+AC_SUBST([LTTNG_UST_LIBRARY_VERSION], ust_lib_version)
+AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], ust_ctl_lib_version)
+
 AM_CFLAGS="-Wall $URCU_CFLAGS $PTHREAD_CFLAGS"
 AC_SUBST(AM_CFLAGS)