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/coroutine2
+    : common-requirements
+        <source>/boost/assert//boost_assert
+        <source>/boost/config//boost_config
+        <source>/boost/context//boost_context
+        <include>include
+    ;
+
+explicit
+    [ alias boost_coroutine2 ]
+    [ alias all : boost_coroutine2 example test ]
+    ;
+
+call-if : boost-library coroutine2
+    ;

example/Jamfile.v2

@@ -13,7 +13,7 @@ import modules ;
 import os ;
 import toolset ;
 
-project boost/coroutine2/example
+project
     : requirements
       <library>/boost/context//boost_context
       <target-os>linux,<toolset>gcc,<segmented-stacks>on:<cxxflags>-fsplit-stack

test/Jamfile.v2

@@ -12,11 +12,11 @@ import os ;
 import path ;
 import testing ;
 import toolset ;
-import ../../config/checks/config : requires ;
+import config : requires ;
 
-project boost/coroutine2/test
+project
     : requirements
-      <library>../../test/build//boost_unit_test_framework
+      <library>/boost/test//boost_unit_test_framework
       <library>/boost/context//boost_context
       <target-os>linux,<toolset>gcc,<segmented-stacks>on:<cxxflags>-fsplit-stack
       <target-os>linux,<toolset>gcc,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS