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- # 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) ] ;
- }
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