mirror of
https://github.com/boostorg/build.git
synced 2026-02-16 13:22:11 +00:00
b54f53ccbc
* move feature documentation into each feature's source file * sort features in the docs * updated docs for features
40 lines
1.1 KiB
Plaintext
40 lines
1.1 KiB
Plaintext
# Copyright 2017 Alexander Karzhenkov
|
|
# 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 property-set ;
|
|
import feature : feature ;
|
|
import toolset ;
|
|
import features/os-feature ;
|
|
|
|
#| tag::doc[]
|
|
|
|
[[bbv2.builtin.features.threadapi]]`threadapi`::
|
|
*Allowed values:* `pthread`, `win32`.
|
|
+
|
|
Selects threading implementation. The default is `win32` if `<target-os>` is
|
|
`windows` and `pthread` otherwise.
|
|
|
|
|# # end::doc[]
|
|
|
|
feature threadapi : pthread win32 : symmetric propagated ;
|
|
toolset.add-defaults <target-os>windows:<threadapi>win32 ;
|
|
|
|
rule get-default ( property-set )
|
|
{
|
|
local api = pthread ;
|
|
if [ $(property-set).get <target-os> ] = windows { api = win32 ; }
|
|
return $(api) ;
|
|
}
|
|
|
|
# Obsolete rule that didn't quite work. Remove this
|
|
# after all references to it have been cleaned up.
|
|
rule detect ( properties * )
|
|
{
|
|
# local ps = [ property-set.create $(properties) ] ;
|
|
# local api = [ $(ps).get <threadapi> ] ;
|
|
# if ! $(api) { api = [ get-default $(ps) ] ; }
|
|
# return <threadapi>$(api) <relevant>threadapi:<relevant>target-os ;
|
|
}
|