Clean up CI and CMake from Boost.Test and Boost.System remains

Follow-up to boostorg#459 and boostorg#464

.appveyor.yml

@@ -95,7 +95,7 @@ before_build:
   - cd boost-root
   - cmd /c bootstrap
   - .\b2 headers > NUL
-  - if DEFINED GENERATOR .\b2 address-model=%AM% toolset=%TOOLSET% variant=%VARIANT% cxxstd=%CXXSTD% --with-filesystem --with-test stage
+  - if DEFINED GENERATOR .\b2 address-model=%AM% toolset=%TOOLSET% variant=%VARIANT% cxxstd=%CXXSTD% --with-filesystem stage
 
 build: off
 

.ci/azure-pipelines/steps-install-boost.yml

@@ -26,7 +26,7 @@ steps:
       cd boost-root
       ./bootstrap.sh
       sudo ./b2 headers
-      sudo ./b2 -j4 toolset=${{ parameters.toolset }} variant=${{ parameters.variant }} --with-filesystem --with-system --with-test stage
+      sudo ./b2 -j4 toolset=${{ parameters.toolset }} variant=${{ parameters.variant }} --with-filesystem stage
       ls stage/lib
     displayName: 'Install Boost on Unix'
     condition: ne(variables['Agent.OS'], 'Windows_NT')
@@ -35,7 +35,7 @@ steps:
       cd boost-root
       call .\bootstrap.bat
       .\b2 headers
-      .\b2 -j4 address-model=32 variant=${{ parameters.variant }} --layout=system --with-filesystem --with-system --with-test stage
+      .\b2 -j4 address-model=32 variant=${{ parameters.variant }} --layout=system --with-filesystem stage
       dir stage\lib
     displayName: 'Install Boost on Windows'
     condition: eq(variables['Agent.OS'], 'Windows_NT')

.ci/get-boost.sh

@@ -46,7 +46,6 @@ git submodule --quiet update --init $GIT_SUBMODULE_OPTS \
     libs/mpl \
     libs/numeric/conversion \
     libs/preprocessor \
-    libs/test \
     libs/type_traits \
     libs/variant
 # Transitive (of GIL tests too)
@@ -75,7 +74,6 @@ git submodule --quiet update --init $GIT_SUBMODULE_OPTS \
     libs/regex \
     libs/static_assert \
     libs/smart_ptr \
-    libs/system \
     libs/throw_exception \
     libs/timer \
     libs/tuple \

CMakeLists.txt

@@ -103,17 +103,11 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
   set(Boost_USE_STATIC_RUNTIME OFF)
 endif()
 
-find_package(Boost 1.72.0 REQUIRED
-  COMPONENTS
-    filesystem
-    unit_test_framework)
+find_package(Boost 1.72.0 REQUIRED COMPONENTS filesystem)
 message(STATUS "Boost.GIL: Using Boost_INCLUDE_DIRS=${Boost_INCLUDE_DIRS}")
 message(STATUS "Boost.GIL: Using Boost_LIBRARY_DIRS=${Boost_LIBRARY_DIRS}")
 
-target_link_libraries(gil_dependencies
-  INTERFACE
-    Boost::filesystem
-    Boost::unit_test_framework)
+target_link_libraries(gil_dependencies INTERFACE Boost::filesystem)
 
 if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
   target_link_libraries(gil_dependencies INTERFACE Boost::disable_autolinking)

CONTRIBUTING.md

@@ -405,13 +405,13 @@ which is used to run GIL tests. Since the `CMAKE_CXX_STANDARD` option in the cur
 
   ```shell
   ./b2 headers
-  ./b2 variant=debug,release cxxstd=11 --with-test --with-filesystem stage
+  ./b2 variant=debug,release cxxstd=11 --with-filesystem stage
   ```
 
   or, depending on specific requirements, more complete build:
 
   ```shell
-  ./b2 variant=debug,release address-model=32,64 cxxstd=11 --layout=versioned --with-test --with-filesystem stage
+  ./b2 variant=debug,release address-model=32,64 cxxstd=11 --layout=versioned --with-filesystem stage
   ```
 
 If you wish to build tests using different C++ standard version, then adjust the `cxxstd` accordingly.
@@ -461,7 +461,7 @@ Here is an example of such lightweight workflow in Linux environment (Debian-bas
         The option added in CMake 3.13.0.
       - option `-DBoost_COMPILER=-gcc5` or `-DBoost_COMPILER=-vc141` to help CMake earlier
         than 3.13 match your compiler with toolset used in the Boost library file names
-        (i.e. `libboost_unit_test_framework-gcc5-mt-x64-1_69` and not `-gcc55-`).
+        (i.e. `libboost_filesystem-gcc5-mt-x64-1_69` and not `-gcc55-`).
         Fixed in CMake 3.13.0.
       - if CMake is still failing to find Boost, you may try `-DBoost_DEBUG=ON` to
         get detailed diagnostics output from `FindBoost.cmake` module.