From bf10cf91c2c367ac925dd79b748d89c06143b947 Mon Sep 17 00:00:00 2001
From: Rene Rivera <grafikrobot@gmail.com>
Date: Tue, 23 Jul 2024 22:34:22 -0500
Subject: [PATCH] Move inter-lib dependencies to a project variable and into
 the build targets.

---
 build.jam | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/build.jam b/build.jam
index 9efbcaa..91e6606 100644
--- a/build.jam
+++ b/build.jam
@@ -5,24 +5,27 @@
 
 require-b2 5.2 ;
 
+constant boost_dependencies :
+    /boost/assert//boost_assert
+    /boost/config//boost_config
+    /boost/core//boost_core
+    /boost/move//boost_move
+    /boost/predef//boost_predef
+    /boost/static_assert//boost_static_assert
+    /boost/throw_exception//boost_throw_exception
+    /boost/type_traits//boost_type_traits
+    /boost/utility//boost_utility ;
+
 project /boost/optional
     : common-requirements
-        <library>/boost/assert//boost_assert
-        <library>/boost/config//boost_config
-        <library>/boost/core//boost_core
-        <library>/boost/move//boost_move
-        <library>/boost/predef//boost_predef
-        <library>/boost/static_assert//boost_static_assert
-        <library>/boost/throw_exception//boost_throw_exception
-        <library>/boost/type_traits//boost_type_traits
-        <library>/boost/utility//boost_utility
         <include>include
     ;
 
 explicit
-    [ alias boost_optional ]
+    [ alias boost_optional : : : : <library>$(boost_dependencies) ]
     [ alias all : boost_optional test ]
     ;
 
 call-if : boost-library optional
     ;
+