Make the library modular usable.

build.jam

@@ -0,0 +1,22 @@
+# 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)
+
+import project ;
+
+project /boost/typeof
+    : common-requirements
+        <source>/boost/config//boost_config
+        <source>/boost/preprocessor//boost_preprocessor
+        <source>/boost/type_traits//boost_type_traits
+        <include>include
+    ;
+
+explicit
+    [ alias boost_typeof ]
+    [ alias all : boost_typeof test ]
+    ;
+
+call-if : boost-library typeof
+    ;

test/Jamfile.v2

@@ -8,6 +8,11 @@
 import testing ;
 import set ;
 
+project : requirements
+    <source>/boost/core//boost_core
+    <source>/boost/lexical_cast//boost_lexical_cast
+    ;
+
 # The special requirement is not ported yet.
 #
 #local rule special-requirements ( toolset variant : properties * )