1 files changed, 68 insertions, 0 deletions
diff --git a/src/boost/libs/python/Jamfile b/src/boost/libs/python/Jamfile
new file mode 100644
index 000000000..32e87d80f
--- /dev/null
+++ b/src/boost/libs/python/Jamfile
@@ -0,0 +1,68 @@
+# Copyright (c) 2018 Stefan Seefeld
+# All rights reserved.
+#
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+import option ;
+import regex ;
+import python ;
+
+#
+# The `version-suffix` rule really belongs into python.jam, and
+# should be moved there. `split-version` is only duplicated here
+# as a prerequisite. (See https://github.com/boostorg/build/pull/290)
+#
+
+
+# Validate the version string and extract the major/minor part we care about.
+#
+local rule split-version ( version )
+{
+    local major-minor = [ MATCH "^([0-9]+)\.([0-9]+)(.*)$" : $(version) : 1 2 3 ] ;
+    if ! $(major-minor[2]) || $(major-minor[3])
+    {
+        ECHO "Warning: \"using python\" expects a two part (major, minor) version number; got" $(version) instead ;
+
+        # Add a zero to account for the missing digit if necessary.
+        major-minor += 0 ;
+    }
+
+    return $(major-minor[1]) $(major-minor[2]) ;
+}
+
+# Define a version suffix for libraries depending on Python.
+# For example, Boost.Python built for Python 2.7 uses the suffix "27"
+rule version-suffix ( version )
+{
+    local major-minor = [ split-version $(version) ] ;
+    local suffix = $(major-minor:J="") ;
+    return $(suffix) ;
+}
+
+
+# Python build id (for Python libraries only).
+python-id = [ option.get "python-buildid" ] ;
+if $(python-id)
+{
+    PYTHON_ID = [ regex.replace $(python-id) "[*\\/:.\"\']" _ ] ;
+}
+
+rule python-tag ( name : type ? : property-set )
+{
+    local result = $(name) ;
+    if $(type) in STATIC_LIB SHARED_LIB IMPORT_LIB
+    {
+        local version = [ $(property-set).get <python> ] ;
+        local lib-suffix = [ version-suffix $(version) ] ;
+        result = $(result)$(lib-suffix) ;
+    }
+    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) ] ;
+}