Fix the build of boost dependencies.

test/cmake_subdir_test/CMakeLists.txt

@@ -2,70 +2,10 @@ cmake_minimum_required(VERSION 3.5...3.22)
 
 project(cmake_subdir_test LANGUAGES CXX)
 
-# Generated by boostdep --brief redis
-set(_DEPENDENCIES
-    # Primary dependencies
-    asio
-    assert
-    core
-    mp11
-    system
-    throw_exception
-
-    # Secondary dependencies
-    align
-    array
-    bind
-    chrono
-    config
-    context
-    coroutine
-    date_time
-    exception
-    "function"
-    regex
-    smart_ptr
-    type_traits
-    utility
-    static_assert
-    variant2
-    winapi
-    integer
-    move
-    mpl
-    predef
-    ratio
-    typeof
-    pool
-    algorithm
-    io
-    lexical_cast
-    numeric/conversion
-    range
-    tokenizer
-    tuple
-    preprocessor
-    concept_check
-    container_hash
-    iterator
-    unordered
-    describe
-    container
-    conversion
-    detail
-    optional
-    rational
-    intrusive
-    function_types
-    fusion
-    functional
-)
+set(BOOST_INCLUDE_LIBRARIES redis)
 
 # Build our dependencies, so the targets Boost::xxx are defined
-set(_BOOST_ROOT ../../../..)
-foreach(_DEPENDENCY IN LISTS _DEPENDENCIES)
-    add_subdirectory(${_BOOST_ROOT}/libs/${_DEPENDENCY} boostorg/${_DEPENDENCY})
-endforeach()
+add_subdirectory(${_BOOST_ROOT} boostorg/boost)
 
 # Build our project
 add_subdirectory(${_BOOST_ROOT}/libs/redis boostorg/redis)