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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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