From 57915d922633bb5e21bee97e827d20e0a1fedd13 Mon Sep 17 00:00:00 2001
From: William Deegan <bill@baddogconsulting.com>
Date: Mon, 10 Dec 2018 17:38:41 -0500
Subject: Added docs for _APPLELINK_COMPATIBILITY_VERSION and
 _APPLELINK_CURRENT_VERSION macros

---
 src/engine/SCons/Tool/applelink.xml | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/engine/SCons/Tool/applelink.xml b/src/engine/SCons/Tool/applelink.xml
index ca76aee..3cc9e64 100644
--- a/src/engine/SCons/Tool/applelink.xml
+++ b/src/engine/SCons/Tool/applelink.xml
@@ -45,7 +45,8 @@ See its __doc__ string for a discussion of the format.
             <item>APPLELINK_COMPATIBILITY_VERSION</item>
             <item>APPLELINK_NO_CURRENT_VERSION</item>
             <item>APPLELINK_NO_COMPATIBILITY_VERSION</item>
-
+            <item>_APPLELINK_CURRENT_VERSION</item>
+            <item>_APPLELINK_COMPATIBILITY_VERSION</item>
         </sets>
         <uses>
             <item>FRAMEWORKSFLAGS</item>
@@ -87,6 +88,19 @@ See its __doc__ string for a discussion of the format.
     </cvar>
 
 
+    <cvar name="_APPLELINK_COMPATIBILITY_VERSION">
+        <summary>
+            <para>
+                A macro (by default a generator function) used to create the linker flags to specify
+                apple's linker's -compatibility_version flag.
+                The default generator uses &cv-link-APPLELINK_COMPATIBILITY_VERSION;
+                and &cv-link-APPLELINK_NO_COMPATIBILITY_VERSION; and  &cv-link-SHLIBVERSION;
+                to determine the correct flag.
+            </para>
+        </summary>
+    </cvar>
+
+
     <cvar name="APPLELINK_CURRENT_VERSION">
         <summary>
             <para>
@@ -121,6 +135,16 @@ See its __doc__ string for a discussion of the format.
         </summary>
     </cvar>
 
+    <cvar name="_APPLELINK_CURRENT_VERSION">
+        <summary>
+            <para>
+                A macro (by default a generator function) used to create the linker flags to specify apple's linker's
+                -current_version flag.  The default generator uses &cv-link-APPLELINK_CURRENT_VERSION; and
+                &cv-link-APPLELINK_NO_CURRENT_VERSION; and  &cv-link-SHLIBVERSION; to determine the correct flag.
+            </para>
+        </summary>
+    </cvar>
+
 
     <cvar name="FRAMEWORKSFLAGS">">
         <summary>
-- 
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