Merge branch 'less_boost' into 'master'

drop atomic as we no longer need it as we droped boost::threads a long time ago

See merge request OpenMW/openmw!3459

CI/before_install.osx.sh

@@ -34,7 +34,7 @@ qmake --version
 if [[ "${MACOS_AMD64}" ]]; then
     curl -fSL -R -J https://gitlab.com/OpenMW/openmw-deps/-/raw/main/macos/openmw-deps-20221113.zip -o ~/openmw-deps.zip
 else
-    curl -fSL -R -J https://gitlab.com/OpenMW/openmw-deps/-/raw/main/macos/openmw-deps-20230722_arm64.zip -o ~/openmw-deps.zip
+    curl -fSL -R -J https://gitlab.com/OpenMW/openmw-deps/-/raw/main/macos/openmw-deps-20230920_arm64.zip -o ~/openmw-deps.zip
 fi
 
 unzip -o ~/openmw-deps.zip -d /tmp > /dev/null

CMakeLists.txt

@@ -434,7 +434,7 @@ if(HAVE_MULTIVIEW)
     add_definitions(-DOSG_HAS_MULTIVIEW)
 endif(HAVE_MULTIVIEW)
 
-set(BOOST_COMPONENTS system program_options iostreams)
+set(BOOST_COMPONENTS iostreams program_options system)
 if(WIN32)
     set(BOOST_COMPONENTS ${BOOST_COMPONENTS} locale)
     if(MSVC)
@@ -449,13 +449,10 @@ IF(BOOST_STATIC)
 endif()
 
 set(Boost_NO_BOOST_CMAKE ON)
+set(Boost_NO_WARN_NEW_VERSIONS ON)  # ignore warnings about new releases of boost
 
 find_package(Boost 1.6.2 REQUIRED COMPONENTS ${BOOST_COMPONENTS} OPTIONAL_COMPONENTS ${BOOST_OPTIONAL_COMPONENTS})
 
-if(Boost_VERSION_STRING VERSION_GREATER_EQUAL 1.77.0)
-    find_package(Boost 1.77.0 REQUIRED COMPONENTS atomic)
-endif()
-
 if(OPENMW_USE_SYSTEM_MYGUI)
     find_package(MyGUI 3.4.2 REQUIRED)
 endif()