From 235330995e2be4d47bc3da346ea34e927e6950a9 Mon Sep 17 00:00:00 2001
From: Vladimir Prus <vladimir.prus@gmail.com>
Date: Fri, 28 Oct 2016 11:30:41 +0300
Subject: Support additional tagging of binaries by Python version.

---
 Jamroot      |  5 +++++
 boostcpp.jam | 13 +++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/Jamroot b/Jamroot
index 4a73899267..e669186821 100644
--- a/Jamroot
+++ b/Jamroot
@@ -182,6 +182,11 @@ rule tag ( name : type ? : property-set )
     return [ boostcpp.tag $(name) : $(type) : $(property-set) ] ;
 }
 
+rule python-tag ( name : type ? : property-set )
+{
+    return [ boostcpp.python-tag $(name) : $(type) : $(property-set) ] ;
+}
+
 rule handle-static-runtime ( properties * )
 {
     # Using static runtime with shared libraries is impossible on Linux, and
diff --git a/boostcpp.jam b/boostcpp.jam
index f45d12ef2f..38113c46c6 100644
--- a/boostcpp.jam
+++ b/boostcpp.jam
@@ -163,6 +163,19 @@ rule tag ( name : type ? : property-set )
     }
 }
 
+# Specialized tag function to use for libraries linking to Python.
+# Appends value of --python-buildid if provided.
+rule python-tag ( name : type ? : property-set )
+{
+    local result = $(name) ;
+    if $(type) in STATIC_LIB SHARED_LIB IMPORT_LIB && $(PYTHON_ID)
+    {
+        result = $(result)-$(PYTHON_ID) ;
+    }
+
+    # forward to the boost tagging rule
+    return  [ tag $(result) : $(type) : $(property-set) ] ;
+}
 
 ################################################################################
 #
-- 
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