#  Boost.Atomic Library Jamfile
#
#  Copyright Helge Bahmann 2011.
#  Copyright Andrey Semashev 2018, 2020-2025.
#
#  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-search /boost/config/checks ;

import common ;
import config : requires ;
import path ;
import project ;
import feature ;
import configure ;
import atomic-arch-config ;

lib synchronization ;
explicit synchronization ;

local cxx_requirements = [ requires
      cxx11_constexpr
      cxx11_noexcept
      cxx11_nullptr
      cxx11_decltype
      cxx11_decltype_n3276
      cxx11_template_aliases
      cxx11_static_assert
      cxx11_rvalue_references
      cxx11_scoped_enums
      cxx11_defaulted_functions
      cxx11_deleted_functions
      cxx11_hdr_ratio
      cxx11_hdr_chrono
    ]
    [ check-target-builds ../config//has_cxx11_nontrivial_union "has unions with non-trivial members" : : <build>no ]
    [ check-target-builds ../config//has_sufficient_cxx11_type_traits "has <type_traits> sufficient for Boost.Atomic" : : <build>no ]
    ;

project
    : common-requirements
      <include>../include
      $(boost_dependencies)
    : requirements
      <library>/boost/align//boost_align
      <library>/boost/preprocessor//boost_preprocessor
      <include>../src
      <threading>multi
      <link>shared:<define>BOOST_ATOMIC_DYN_LINK=1
      <link>static:<define>BOOST_ATOMIC_STATIC_LINK=1
      <define>BOOST_ATOMIC_SOURCE
      <target-os>windows:<define>BOOST_USE_WINDOWS_H
      <toolset>gcc,<target-os>windows:<linkflags>"-lkernel32"
    : usage-requirements
      <link>shared:<define>BOOST_ATOMIC_DYN_LINK=1
      <link>static:<define>BOOST_ATOMIC_STATIC_LINK=1
      <define>BOOST_ATOMIC_NO_LIB=1
    : source-location ../src
    ;

BOOST_ATOMIC_SOURCES_SSE2 =
    find_address_sse2
;

BOOST_ATOMIC_SOURCES_SSE41 =
    find_address_sse41
;

for local src in $(BOOST_ATOMIC_SOURCES_SSE2)
{
    obj $(src)
        : ## sources ##
            $(src).cpp
        : ## requirements ##
            <conditional>@atomic-arch-config.sse2-flags
            <link>shared:<define>BOOST_ATOMIC_DYN_LINK=1
            <link>static:<define>BOOST_ATOMIC_STATIC_LINK=1
            <define>BOOST_ATOMIC_SOURCE
        ;

    explicit $(src) ;
}

for local src in $(BOOST_ATOMIC_SOURCES_SSE41)
{
    obj $(src)
        : ## sources ##
            $(src).cpp
        : ## requirements ##
            <conditional>@atomic-arch-config.sse41-flags
            <link>shared:<define>BOOST_ATOMIC_DYN_LINK=1
            <link>static:<define>BOOST_ATOMIC_STATIC_LINK=1
            <define>BOOST_ATOMIC_SOURCE
        ;

    explicit $(src) ;
}

rule check-pthread-cond-clockwait ( properties * )
{
    local result ;

    local has_pthread_cond_clockwait = [ configure.builds ../config//has_pthread_cond_clockwait : $(properties) : "has pthread_cond_clockwait" ] ;
    if $(has_pthread_cond_clockwait)
    {
        result = <define>BOOST_ATOMIC_HAS_PTHREAD_COND_CLOCKWAIT ;
    }

    return $(result) ;
}

rule select-arch-specific-sources ( properties * )
{
    local result ;

    if x86 in [ atomic-arch-config.deduce-architecture $(properties) ]
    {
        if [ configure.builds ../config//has_sse2 : $(properties) : "compiler supports SSE2" ]
        {
            result += <source>$(BOOST_ATOMIC_SOURCES_SSE2) ;
            result += <define>BOOST_ATOMIC_USE_SSE2 ;
        }

        if [ configure.builds ../config//has_sse41 : $(properties) : "compiler supports SSE4.1" ]
        {
            result += <source>$(BOOST_ATOMIC_SOURCES_SSE41) ;
            result += <define>BOOST_ATOMIC_USE_SSE41 ;
        }
    }

#    ECHO "Arch sources: " $(result) ;

    return $(result) ;
}

lib boost_atomic
    : ## sources ##
      lock_pool.cpp
    : ## requirements ##
      <include>../src
      <conditional>@check-pthread-cond-clockwait
      <conditional>@select-arch-specific-sources
      <target-os>windows:<library>synchronization
      # MinGW-w64 defines _WIN32_WINNT to _WIN32_WINNT_WS03 by default, which disables WaitOnAddress API that is required by Boost.Atomic.
      # Define the macro ourselves to the Windows version required by Boost.Atomic.
      # https://github.com/boostorg/atomic/issues/73
      <toolset>gcc,<target-os>windows:<define>_WIN32_WINNT=0x0A00
      $(cxx_requirements)
    : usage-requirements
      <target-os>windows:<library>synchronization
      <toolset>gcc,<target-os>windows:<define>_WIN32_WINNT=0x0A00
      $(cxx_requirements)
   ;