# Copyright 2017 Peter Dimov
#
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)

import modules ;
import sequence ;
import set ;
import project ;
import virtual-target ;
import testing ;
import ac ;

if "--debug-check-build" in [ modules.peek : ARGV ]
{
    .info-enabled = 1 ;
}

local rule .info ( messages * )
{
    if $(.info-enabled)
    {
        ECHO "info:" $(messages) ;
    }
}

local all-libraries = [ MATCH .*libs/(.*)/build/.* :
    [ glob ../../../libs/*/build/Jamfile.v2 ]
    [ glob ../../../libs/*/build/Jamfile ] ] ;

all-libraries = [ sequence.unique $(all-libraries) ] ;

# The function_types library has a Jamfile, but it's used for maintenance
# purposes, there's no library to build and install.

all-libraries = [ set.difference $(all-libraries) : function_types ] ;

#ECHO all-libraries: $(all-libraries) ;

rule alias-sources-impl ( project name : property-set : sources * )
{
    local target-graph ;

    for local s in $(sources)
    {
        target-graph += [ virtual-target.traverse $(s) : include-sources : include-roots ] ;
    }

    # Remove targets created by the main target

    local result ;

    for local t in $(target-graph)
    {
        if [ $(t).root ] && ! ( $(t) in $(sources) )
        {
            result += $(t) ;
        }
    }

    .info "$(name):" ;

    for local t in $(result)
    {
        .info "  " [ $(t).name ] ;
    }

    return $(result) ;
}

path-constant ROOT : ../../.. ;

for local lib in $(all-libraries)
{
    local path = [ NORMALIZE_PATH /$(ROOT)/libs/$(lib)/build ] ;
    local project = [ project.load $(path) ] ;
    local pt = [ project.target $(project) ] ;
    local mt = [ $(pt).main-target stage ] ;

    if $(mt)
    {
        generate library-$(lib) : $(path)//stage : <generating-rule>@alias-sources-impl ;
    }
    else
    {
        .info "library-$(lib):" ;
        .info "   (no stage target, using '$(path)')" ;

        alias library-$(lib) : $(path) ;
    }
}

for local lib in $(all-libraries)
{
    run main.cpp : : : [ ac.check-library library-$(lib) : <library>library-$(lib) : <build>no ] : $(lib) ;
}