Add support for modular build structure.

bench/Jamfile

@@ -11,6 +11,7 @@ import common ;
 import os ;
 import path ;
 import property ;
+import notfile ;
 import bench.jam ;
 
 import feature ;

build.jam

@@ -0,0 +1,37 @@
+# Copyright René Ferdinand Rivera Morell 2023-2024
+# 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)
+
+require-b2 5.2 ;
+
+constant boost_dependencies :
+    /boost/align//boost_align
+    /boost/assert//boost_assert
+    /boost/config//boost_config
+    /boost/container//boost_container
+    /boost/container_hash//boost_container_hash
+    /boost/core//boost_core
+    /boost/describe//boost_describe
+    /boost/endian//boost_endian
+    /boost/mp11//boost_mp11
+    /boost/static_assert//boost_static_assert
+    /boost/system//boost_system
+    /boost/throw_exception//boost_throw_exception ;
+
+project /boost/json
+    : common-requirements
+        <include>include
+    ;
+
+explicit
+    [ alias boost_json : build//boost_json ]
+    [ alias json_deps : build//json_deps ]
+    [ alias json_sources : build//json_sources ]
+    [ alias all : boost_json json_deps json_sources bench example fuzzing test ]
+    ;
+
+call-if : boost-library json
+    : install boost_json
+    ;
+

build/Jamfile

@@ -9,7 +9,8 @@
 #
 
 import modules ;
-import ../../config/checks/config ;
+import-search /boost/config/checks ;
+import config ;
 
 # These make sure we only build on compatible C++11 or later toolchains.
 obj cxx11_basic_alignas : ../check/basic_alignas.cpp ;
@@ -54,7 +55,8 @@ rule warn-if-requested ( properties * )
     }
 }
 
-project boost/json
+project
+    : common-requirements <library>$(boost_dependencies)
     : requirements
       [ requires
         config/cxx11_constexpr
@@ -74,26 +76,25 @@ project boost/json
       <link>shared:<define>BOOST_JSON_DYN_LINK=1
       <link>static:<define>BOOST_JSON_STATIC_LINK=1
       <toolset>msvc:<define>_SCL_SECURE_NO_WARNINGS
+      <define>BOOST_JSON_NO_LIB=1
     : source-location ../src
     ;
 
 alias json_deps
    : usage-requirements
-     <library>/boost//container/<warnings-as-errors>off
+     <library>/boost/container//boost_container/<warnings-as-errors>off
    ;
 
 alias json_sources
    : src.cpp
    : usage-requirements
-     <library>/boost//container/<warnings-as-errors>off
+     <library>/boost/container//boost_container/<warnings-as-errors>off
    ;
 
 explicit json_deps json_sources ;
 
 lib boost_json
    : json_sources
    : usage-requirements
-     <library>/boost//container/<warnings-as-errors>off
+     <library>/boost/container//boost_container/<warnings-as-errors>off
    ;
-
-boost-install boost_json ;

doc/Jamfile

@@ -11,7 +11,8 @@
 project json/doc ;
 
 import boostbook ;
-import ../../../tools/docca/docca.jam ;
+import-search /boost/docca ;
+import docca ;
 import path ;
 
 local include-prefix = [ path.root $(__file__:D) [ path.pwd ] ] ;

fuzzing/Jamfile

@@ -16,6 +16,7 @@ import os ;
 import path ;
 import property ;
 import sequence ;
+import testing ;
 
 
 # set the maximum size of the input, to avoid