[folks] Use tp-glib API version macros

[Guillaume Desmottes <gdesmott src gnome org>]

commit 5a62b1be5b2f11989403982a876d1eb7fb7c6b3c
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Mon May 14 12:59:20 2012 +0200

    Use tp-glib API version macros
    
    https://bugzilla.gnome.org/show_bug.cgi?id=676021

 configure.ac |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index aacd61a..1141056 100644
--- a/configure.ac
+++ b/configure.ac
@@ -146,7 +146,6 @@ AM_CONDITIONAL([ENABLE_LIBSOCIALWEB],
 # -----------------------------------------------------------
 
 GLIB_REQUIRED=2.26.0
-TP_GLIB_REQUIRED=0.17.5
 VALA_REQUIRED=0.15.2
 VALADOC_REQUIRED=0.3.1
 TRACKER_SPARQL_MAJOR=0.14
@@ -176,8 +175,14 @@ Note that Gee 0.8.x provides gee-0.8 (but gee-1.0 is, confusingly, provided by
 Gee 0.6.x)])
 fi
 
+TP_GLIB_REQUIRED=0.17.5
 PKG_CHECK_MODULES([TP_GLIB], [telepathy-glib >= $TP_GLIB_REQUIRED])
 
+# Ignore post 0.18 deprecations
+TP_GLIB_CFLAGS="$TP_GLIB_CFLAGS -DTP_VERSION_MIN_REQUIRED=TP_VERSION_0_18"
+# Prevent post 0.20 APIs
+TP_GLIB_CFLAGS="$TP_GLIB_CFLAGS -DTP_VERSION_MAX_ALLOWED=TP_VERSION_0_20"
+
 if test x$enable_tracker_backend = xyes; then
         PKG_CHECK_MODULES([TRACKER_SPARQL],
                           [tracker-sparql-$TRACKER_SPARQL_MAJOR >= \