[glib] glib: Add 2.48 availibity macros

[Nicolas Dufresne <nicolasd src gnome org>]

commit b36b4941a634af096d21f906caae25ef35161166
Author: Nicolas Dufresne <nicolas dufresne collabora com>
Date:   Mon Sep 28 19:35:30 2015 -0400

    glib: Add 2.48 availibity macros
    
    https://bugzilla.gnome.org/show_bug.cgi?id=755766

 docs/reference/glib/glib-sections.txt |    4 ++++
 glib/gversionmacros.h                 |   25 +++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/glib/glib-sections.txt b/docs/reference/glib/glib-sections.txt
index e7d68d5..ff71390 100644
--- a/docs/reference/glib/glib-sections.txt
+++ b/docs/reference/glib/glib-sections.txt
@@ -127,6 +127,7 @@ GLIB_VERSION_2_40
 GLIB_VERSION_2_42
 GLIB_VERSION_2_44
 GLIB_VERSION_2_46
+GLIB_VERSION_2_48
 GLIB_VERSION_MIN_REQUIRED
 GLIB_VERSION_MAX_ALLOWED
 GLIB_DISABLE_DEPRECATION_WARNINGS
@@ -145,6 +146,7 @@ GLIB_AVAILABLE_IN_2_40
 GLIB_AVAILABLE_IN_2_42
 GLIB_AVAILABLE_IN_2_44
 GLIB_AVAILABLE_IN_2_46
+GLIB_AVAILABLE_IN_2_48
 GLIB_DEPRECATED_IN_2_26
 GLIB_DEPRECATED_IN_2_26_FOR
 GLIB_DEPRECATED_IN_2_28
@@ -167,6 +169,8 @@ GLIB_DEPRECATED_IN_2_44
 GLIB_DEPRECATED_IN_2_44_FOR
 GLIB_DEPRECATED_IN_2_46
 GLIB_DEPRECATED_IN_2_46_FOR
+GLIB_DEPRECATED_IN_2_48
+GLIB_DEPRECATED_IN_2_48_FOR
 GLIB_VERSION_CUR_STABLE
 GLIB_VERSION_PREV_STABLE
 </SECTION>
diff --git a/glib/gversionmacros.h b/glib/gversionmacros.h
index a7c9b16..a9a8c01 100644
--- a/glib/gversionmacros.h
+++ b/glib/gversionmacros.h
@@ -145,6 +145,16 @@
  */
 #define GLIB_VERSION_2_46       (G_ENCODE_VERSION (2, 46))
 
+/**
+ * GLIB_VERSION_2_48:
+ *
+ * A macro that evaluates to the 2.48 version of GLib, in a format
+ * that can be used by the C pre-processor.
+ *
+ * Since: 2.48
+ */
+#define GLIB_VERSION_2_48       (G_ENCODE_VERSION (2, 48))
+
 /* evaluates to the current stable version; for development cycles,
  * this means the next stable target
  */
@@ -390,4 +400,19 @@
 # define GLIB_AVAILABLE_IN_2_46                 _GLIB_EXTERN
 #endif
 
+#if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_48
+# define GLIB_DEPRECATED_IN_2_48                GLIB_DEPRECATED
+# define GLIB_DEPRECATED_IN_2_48_FOR(f)         GLIB_DEPRECATED_FOR(f)
+#else
+# define GLIB_DEPRECATED_IN_2_48                _GLIB_EXTERN
+# define GLIB_DEPRECATED_IN_2_48_FOR(f)         _GLIB_EXTERN
+#endif
+
+#if GLIB_VERSION_MAX_ALLOWED < GLIB_VERSION_2_48
+# define GLIB_AVAILABLE_IN_2_48                 GLIB_UNAVAILABLE(2, 48)
+#else
+# define GLIB_AVAILABLE_IN_2_48                 _GLIB_EXTERN
+#endif
+
+
 #endif /*  __G_VERSION_MACROS_H__ */