glib: remove stale compat functions

Since we're bumping the version to 2.22+,
remove the now-stale compat functions.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1431469140-22208-2-git-send-email-jsnow@redhat.com

include/glib-compat.h

@@ -23,14 +23,6 @@
 #define G_TIME_SPAN_SECOND              (G_GINT64_CONSTANT(1000000))
 #endif
 
-#if !GLIB_CHECK_VERSION(2, 14, 0)
-static inline guint g_timeout_add_seconds(guint interval, GSourceFunc function,
-                                          gpointer data)
-{
-    return g_timeout_add(interval * 1000, function, data);
-}
-#endif
-
 #if !GLIB_CHECK_VERSION(2, 28, 0)
 static inline gint64 qemu_g_get_monotonic_time(void)
 {
@@ -47,23 +39,6 @@ static inline gint64 qemu_g_get_monotonic_time(void)
 #define g_get_monotonic_time() qemu_g_get_monotonic_time()
 #endif
 
-#if !GLIB_CHECK_VERSION(2, 16, 0)
-static inline int g_strcmp0(const char *str1, const char *str2)
-{
-    int result;
-
-    if (!str1) {
-        result = -(str1 != str2);
-    } else if (!str2) {
-        result = (str1 != str2);
-    } else {
-        result = strcmp(str1, str2);
-    }
-
-    return result;
-}
-#endif
-
 #ifdef _WIN32
 /*
  * g_poll has a problem on Windows when using
@@ -71,16 +46,6 @@ static inline int g_strcmp0(const char *str1, const char *str2)
  */
 #define g_poll(fds, nfds, timeout) g_poll_fixed(fds, nfds, timeout)
 gint g_poll_fixed(GPollFD *fds, guint nfds, gint timeout);
-#elif !GLIB_CHECK_VERSION(2, 20, 0)
-/*
- * Glib before 2.20.0 doesn't implement g_poll, so wrap it to compile properly
- * on older systems.
- */
-static inline gint g_poll(GPollFD *fds, guint nfds, gint timeout)
-{
-    GMainContext *ctx = g_main_context_default();
-    return g_main_context_get_poll_func(ctx)(fds, nfds, timeout);
-}
 #endif
 
 #if !GLIB_CHECK_VERSION(2, 31, 0)