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magnesj
8ff1515bf4
thrift 0.20.0#1, a transitive dependency of arrow, declares int64_t in lib/cpp/src/thrift/concurrency/Mutex.h without including <cstdint>. libstdc++ in GCC 15 no longer provides that header transitively through <memory>, so the port fails to compile at TSSLServerSocket.cpp with gcc-toolset-15. gcc-toolset-14 and older are unaffected, which is why RHEL8 CI has been green: it pins gcc-toolset-14 and restores thrift from the prebuilt cache in the CI image. Vendor the port under ThirdParty/vcpkg-overlay-ports and add gcc15-cstdint.patch. An overlay port is used rather than a port-scoped flag in the x64-linux-release triplet because triplet_abi is a hash of the triplet file contents and is identical for every port, so editing a triplet invalidates the whole dependency set and forces a cold-cache rebuild. Register overlay-ports in vcpkg-configuration-rhel8.json, which the RHEL8 workflow and Dockerfile.rhel8 copy over vcpkg-configuration.json. The bumped port-version misses the vcpkg binary cache baked into the current CI image, so the RHEL8 image needs a rebuild to pick up thrift 0.20.0#2.