Add support for modular build structure.

build.jam

@@ -0,0 +1,26 @@
+# Copyright René Ferdinand Rivera Morell 2023
+# 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 ;
+
+project /boost/utility
+    : common-requirements
+        <library>/boost/assert//boost_assert
+        <library>/boost/config//boost_config
+        <library>/boost/core//boost_core
+        <library>/boost/io//boost_io
+        <library>/boost/preprocessor//boost_preprocessor
+        <library>/boost/throw_exception//boost_throw_exception
+        <library>/boost/type_traits//boost_type_traits
+        <include>include
+    ;
+
+explicit
+    [ alias boost_utility ]
+    [ alias all : boost_utility test ]
+    ;
+
+call-if : boost-library utility
+    ;

identity_type/doc/Jamfile.v2

@@ -8,7 +8,7 @@
 import quickbook ;
 using boostbook ;
 
-doxygen reference : ../../../../boost/utility/identity_type.hpp
+doxygen reference : ../../include/boost/utility/identity_type.hpp
     :   <reftitle>"Reference"
         <doxygen:param>PREDEFINED="DOXYGEN"
         <doxygen:param>QUIET=YES

test/Jamfile.v2

@@ -13,7 +13,7 @@ run base_from_member_ref_test.cpp ;
 
 run binary_test.cpp ;
 
-run call_traits_test.cpp : -u ;
+run call_traits_test.cpp : -u : : <source>/boost/type_traits//testing ;
 
 run compressed_pair_test.cpp ;
 run compressed_pair_final_test.cpp ;
@@ -31,7 +31,7 @@ run string_ref_test2.cpp ;
 run string_ref_test_io.cpp ;
 # compile-fail string_view_from_rvalue.cpp ;
 compile string_view_constexpr_test1.cpp ;
-run string_view_test1.cpp ;
+run string_view_test1.cpp : : : <source>/boost/container_hash//boost_container_hash ;
 run string_view_test2.cpp ;
 run string_view_test_io.cpp ;
 

test/call_traits_test.cpp

@@ -18,8 +18,9 @@
 #include <typeinfo>
 #include <boost/call_traits.hpp>
 
-#include <libs/type_traits/test/test.hpp>
-#include <libs/type_traits/test/check_type.hpp>
+// type_traits/test utilities
+#include <test.hpp>
+#include <check_type.hpp>
 
 #ifdef BOOST_MSVC
 #pragma warning(disable:4181) // : warning C4181: qualifier applied to reference type; ignored