- Update to Alpine Linux 3.21.2

- Fix no member named 'construct' in 'optional<type-parameter-0-0 &>' error in sol.hpp with Clang 19
- Fix Policy CMP0167 is not set: The FindBoost module is removed with cmake 3.31.1

CMakeLists.txt

@@ -56,6 +56,9 @@ endif()
 if (POLICY CMP0074)
   cmake_policy(SET CMP0074 NEW)
 endif()
+if (POLICY CMP0167)
+  cmake_policy(SET CMP0167 NEW)
+endif()
 project(OSRM C CXX)
 
 

docker/Dockerfile-alpine

@@ -1,4 +1,4 @@
-FROM alpine:3.20.5 AS alpine-mimalloc
+FROM alpine:3.21.2 AS alpine-mimalloc
 
 RUN apk add --no-cache mimalloc
 

third_party/sol2/include/sol/sol.hpp

@@ -6752,7 +6752,8 @@ namespace sol {
 			static_assert(std::is_constructible<T, Args&&...>::value, "T must be constructible with Args");
 
 			*this = nullopt;
-			this->construct(std::forward<Args>(args)...);
+                        new (static_cast<void*>(this)) optional(std::in_place, std::forward<Args>(args)...);
+                        return **this;
 		}
 
 		/// Swaps this optional with the other.