#
# Copyright (c) 2019 Vinnie Falco (vinnie dot falco at gmail dot com)
# Copyright (c) 2021 Dmitry Arkhipov (grisumbras@gmail.com)
#
# 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)
#
# Official repository: https://github.com/boostorg/json
#

import modules ;
import ../../config/checks/config ;

# These make sure we only build on compatible C++11 or later toolchains.
obj cxx11_basic_alignas : ../check/basic_alignas.cpp ;
explicit cxx11_basic_alignas ;

rule requires ( tests + )
{
    local result ;
    for test in $(tests)
    {
        local name = $(test:D=) ;
        local m = $(test:D) ;
        if $(m)
        {
            m = [ modules.binding $(m) ] ;
            m = $(m:D)// ;
        }
        m ?= "" ;

        result += [ check-target-builds $(m)$(name) $(name)
            : : <build>no <conditional>@warn-if-requested
        ] ;
    }
    return $(result) ;
}

.warned = ;
rule warn-if-requested ( properties * )
{
    if ! $(.warned)
    {
        .warned = true ;
        local args = [ modules.peek : ARGV ] ;
        local var = [ modules.peek project-config : libraries ] ;
        if json in [ MATCH ^--with-(json) : $(args) $(var) ]
        {
            echo "warning:" Boost.Json was explicitly requested, but will not
                be built, because it requires C++11. ;
            echo "note:" To enable C++11 support, use the 'cxxstd=11' command line
                argument. ;
        }
    }
}

project boost/json
    : requirements
      [ requires
        config/cxx11_constexpr
        config/cxx11_decltype
        config/cxx11_hdr_tuple
        config/cxx11_template_aliases
        config/cxx11_variadic_templates
        # We only require limited alignas support,
        # so we have to use a custom check
        cxx11_basic_alignas
      ]
      <link>shared:<define>BOOST_JSON_DYN_LINK=1
      <link>static:<define>BOOST_JSON_STATIC_LINK=1
      <define>BOOST_JSON_SOURCE
    : usage-requirements
      <link>shared:<define>BOOST_JSON_DYN_LINK=1
      <link>static:<define>BOOST_JSON_STATIC_LINK=1
    : source-location ../src
    ;

alias json_sources
   : src.cpp
   : usage-requirements
     <library>/boost//container/<warnings-as-errors>off
   ;

explicit json_sources ;

lib boost_json
   : json_sources
   : usage-requirements
     <library>/boost//container/<warnings-as-errors>off
   ;

boost-install boost_json ;