diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 47d4c37..4e864ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -78,10 +78,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install packages
-        if: matrix.install
-        run: sudo apt install ${{matrix.install}}
-
       - name: Setup Boost
         run: |
           echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
@@ -123,10 +119,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install packages
-        if: matrix.install
-        run: sudo apt install ${{matrix.install}}
-
       - name: Setup Boost
         run: |
           echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
@@ -178,10 +170,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install packages
-        if: matrix.install
-        run: sudo apt install ${{matrix.install}}
-
       - name: Setup Boost
         run: |
           echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
@@ -217,3 +205,63 @@ jobs:
         run: |
           cd ../boost-root/__build__
           ctest --output-on-failure --no-tests=error
+
+  posix-standalone-cmake-test:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+          - os: macos-latest
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+
+      - name: Configure Boost
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DCMAKE_INSTALL_PREFIX=~/.local ..
+
+      - name: Install Boost
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target install
+
+      - name: Configure
+        run: |
+          mkdir __build__
+          cd __build__
+          cmake -DBUILD_TESTING=ON -DCMAKE_INSTALL_PREFIX=~/.local ..
+
+      - name: Build tests
+        run: |
+          cd __build__
+          cmake --build . --target tests
+
+      - name: Run tests
+        run: |
+          cd __build__
+          ctest --output-on-failure --no-tests=error
diff --git a/CMakeLists.txt b/CMakeLists.txt
index dbc4f15..d11d834 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,24 +1,12 @@
 # Generated by `boostdep --cmake sort`
-# Copyright 2020 Peter Dimov
+# Copyright 2020, 2021 Peter Dimov
 # Copyright 2025 Nigel Stewart
 # Distributed under the Boost Software License, Version 1.0.
 # https://www.boost.org/LICENSE_1_0.txt
 
-message(STATUS "Using cmake version ${CMAKE_VERSION}")
+cmake_minimum_required(VERSION 3.8...3.31)
 
-cmake_minimum_required(VERSION 3.10...3.16)
-
-if(BOOST_SUPERPROJECT_VERSION)
-  project(boost_sort VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
-else()
-  project(boost_sort LANGUAGES CXX)
-endif()
-
-# Test coverage in stand-alone mode requires boost dependencies
-if(BUILD_TESTING AND NOT BOOST_SUPERPROJECT_VERSION)
-  set(Boost_DEBUG ON)
-  find_package(Boost 1.85 REQUIRED COMPONENTS core range included_test_exec_monitor)
-endif()
+project(boost_sort VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
 
 add_library(boost_sort INTERFACE)
 add_library(Boost::sort ALIAS boost_sort)
@@ -34,17 +22,25 @@ target_link_libraries(boost_sort
     Boost::type_traits
 )
 
+if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
+
+  message(STATUS "Using CMake version ${CMAKE_VERSION}")
+
+  set(Boost_DEBUG ON)
+  find_package(Boost 1.85 CONFIG REQUIRED COMPONENTS core range included_test_exec_monitor)
+
+  include(CTest)
+
+  add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)
+  add_dependencies(check tests)
+
+endif()
+
 # Testing
 if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
 
-  if(NOT BOOST_SUPERPROJECT_VERSION)
-    include(CTest)
-    enable_testing()
-    add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)
-    add_dependencies(check tests)
-  endif()
-
   # Follow the Boost convention: don't build test targets by default,
   # and only when explicitly requested by building target tests
   add_subdirectory(test EXCLUDE_FROM_ALL)
+
 endif()
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index ad6895a..bb9a190 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,7 +1,3 @@
-set(CMAKE_CXX_STANDARD 11)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-set(CMAKE_CXX_EXTENSIONS OFF)
-
 if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
   # warning level 4
   add_compile_options(/W4)
@@ -21,11 +17,13 @@ endif()
 
 set(PREFIX "boost_sort_")
 set(LINK_LIBRARIES Boost::sort Boost::included_test_exec_monitor)
+set(COMPILE_FEATURES cxx_std_11)
 
 function(boost_sort_add_test name source)
   set(pname "${PREFIX}${name}")
   add_executable(${pname} ${source})
-  target_link_libraries(${pname} ${LINK_LIBRARIES})
+  target_link_libraries(${pname} PRIVATE ${LINK_LIBRARIES})
+  target_compile_features(${pname} PRIVATE ${COMPILE_FEATURES})
   add_test(NAME ${pname} COMMAND ${pname})
   add_dependencies(tests ${pname})
 endfunction()