Update externals to build with C++23

abseil-cpp.spec

@@ -1,4 +1,4 @@
-### RPM external abseil-cpp 20220623.1
+### RPM external abseil-cpp 20230802.3
 ## INCLUDE cpp-standard
 
 Source: https://github.com/abseil/abseil-cpp/archive/%{realversion}.tar.gz

bazel-absl.patch

@@ -6,20 +6,20 @@
      "com_google_absl": {
 -        "archive": "20211102.0.tar.gz",
 -        "sha256": "dcf71b9cba8dc0ca9940c4b316a0c796be8fab42b070bb6b7cab62b48f0e66c4",
-+        "archive": "20230125.3.tar.gz",
-+        "sha256": "5366d7e7fa7ba0d915014d387b66d0d002c03236448e1ba9ef98122c13b35c36",
++        "archive": "20230802.3.tar.gz",
++        "sha256": "052d1384266a3da0a4d16b644d7f9c4c2bfec4855720ac988a9407aebc06a3d8",
          "urls": [
 -            "https://mirror.bazel.build/github.com/abseil/abseil-cpp/archive/refs/tags/20211102.0.tar.gz",
 -            "https://github.com/abseil/abseil-cpp/archive/refs/tags/20211102.0.tar.gz",
-+            "https://mirror.bazel.build/github.com/abseil/abseil-cpp/archive/refs/tags/20230125.3.tar.gz",
-+            "https://github.com/abseil/abseil-cpp/archive/refs/tags/20230125.3.tar.gz",
++            "https://mirror.bazel.build/github.com/abseil/abseil-cpp/archive/refs/tags/20230802.3.tar.gz",
++            "https://github.com/abseil/abseil-cpp/archive/refs/tags/20230802.3.tar.gz",
          ],
          "used_in": [
              "additional_distfiles",
              "test_WORKSPACE_files",
          ],
 -        "strip_prefix": "abseil-cpp-20211102.0",
-+        "strip_prefix": "abseil-cpp-20230125.3",
++        "strip_prefix": "abseil-cpp-20230802.3",
      },
      "zstd-jni": {
          "archive": "v1.5.0-4.zip",

clhep.spec

@@ -1,6 +1,6 @@
-### RPM external clhep 2.4.7.1
+### RPM external clhep 2.4.7.2
 ## INCLUDE cpp-standard
-%define tag d5f0b7af1c3231ca63887ecaa9500e1b02c6b0fe
+%define tag fa41009631cf8ec83eb4f2de65af461f5818a52f
 %define branch cms/v%{realversion}
 %define github_user cms-externals
 Source: git+https://github.com/%github_user/%{n}.git?obj=%{branch}/%{tag}&export=%{n}-%{realversion}&output=/%{n}-%{realversion}.tgz
@@ -19,7 +19,8 @@ cmake ../%{n}-%{realversion} \
   -G Ninja \
   -DCLHEP_BUILD_CXXSTD="-std=c++%{cms_cxx_standard}" \
   -DCMAKE_INSTALL_PREFIX:PATH="%i" \
-  -DCMAKE_BUILD_TYPE=RelWithDebInfo
+  -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+  -DCLHEP_BUILD_STATIC_LIBS=OFF
 
 ninja -v %{makeprocesses}
 

dd4hep.spec

@@ -1,5 +1,5 @@
 ### RPM external dd4hep v01-31-0x
-%define tag 4990888b50e29a5dc0ff65fc3a6fdf17205192a5
+%define tag 74155cec308e842fba19cc21e01165a4553bba47
 %define branch master
 %define github_user AIDASoft
 

grpc-cpp23.patch

@@ -0,0 +1,11 @@
+--- a/src/core/ext/filters/client_channel/lb_policy/xds/xds_cluster_resolver.cc.orig	2025-11-27 10:34:29.305947885 +0100
++++ b/src/core/ext/filters/client_channel/lb_policy/xds/xds_cluster_resolver.cc	2025-11-27 10:34:40.604302735 +0100
+@@ -148,7 +148,7 @@
+     // to use for LRS load reporting. Caller must ensure that config_ is set
+     // before calling.
+     std::pair<absl::string_view, absl::string_view> GetLrsClusterKey() const {
+-      if (!parent_->is_xds_uri_) return {parent_->server_name_, nullptr};
++      if (!parent_->is_xds_uri_) return {parent_->server_name_, {}};
+       return {
+           parent_->config_->discovery_mechanisms()[index_].cluster_name,
+           parent_->config_->discovery_mechanisms()[index_].eds_service_name};

grpc-no-aligned-storage.patch

@@ -0,0 +1,70 @@
+diff --git a/include/grpcpp/impl/codegen/server_context.h b/include/grpcpp/impl/codegen/server_context.h
+index 5a62873ec8..46b797c814 100644
+--- a/include/grpcpp/impl/codegen/server_context.h
++++ b/include/grpcpp/impl/codegen/server_context.h
+@@ -513,8 +513,7 @@ class ServerContextBase {
+     const std::function<void(::grpc::Status s)> func_;
+   };
+
+-  typename std::aligned_storage<sizeof(Reactor), alignof(Reactor)>::type
+-      default_reactor_;
++  alignas(Reactor) std::byte default_reactor_[sizeof(Reactor)];
+   std::atomic_bool default_reactor_used_{false};
+   std::unique_ptr<TestServerCallbackUnary> test_unary_;
+ };
+diff --git a/src/core/ext/filters/http/message_compress/message_compress_filter.cc b/src/core/ext/filters/http/message_compress/message_compress_filter.cc
+index 09c914fab0..88d92210ef 100644
+--- a/src/core/ext/filters/http/message_compress/message_compress_filter.cc
++++ b/src/core/ext/filters/http/message_compress/message_compress_filter.cc
+@@ -164,9 +164,7 @@ class CallData {
+   grpc_linked_mdelem accept_stream_encoding_storage_;
+   grpc_slice_buffer slices_; /**< Buffers up input slices to be compressed */
+   // Allocate space for the replacement stream
+-  std::aligned_storage<sizeof(grpc_core::SliceBufferByteStream),
+-                       alignof(grpc_core::SliceBufferByteStream)>::type
+-      replacement_stream_;
++  alignas(grpc_core::SliceBufferByteStream) std::byte replacement_stream_[sizeof(grpc_core::SliceBufferByteStream)];
+   grpc_closure* original_send_message_on_complete_ = nullptr;
+   grpc_closure send_message_on_complete_;
+   grpc_closure on_send_message_next_done_;
+diff --git a/src/core/ext/filters/http/message_compress/message_decompress_filter.cc b/src/core/ext/filters/http/message_compress/message_decompress_filter.cc
+index 4ab8a5638c..0c8dc75567 100644
+--- a/src/core/ext/filters/http/message_compress/message_decompress_filter.cc
++++ b/src/core/ext/filters/http/message_compress/message_decompress_filter.cc
+@@ -123,9 +123,7 @@ class CallData {
+   // It is initialized during construction and reset when a new stream is
+   // created using it.
+   grpc_slice_buffer recv_slices_;
+-  std::aligned_storage<sizeof(SliceBufferByteStream),
+-                       alignof(SliceBufferByteStream)>::type
+-      recv_replacement_stream_;
++  alignas(SliceBufferByteStream) std::byte recv_replacement_stream_[sizeof(SliceBufferByteStream)];
+   // Fields for handling recv_trailing_metadata_ready callback
+   bool seen_recv_trailing_metadata_ready_ = false;
+   grpc_closure on_recv_trailing_metadata_ready_;
+diff --git a/src/core/lib/gprpp/manual_constructor.h b/src/core/lib/gprpp/manual_constructor.h
+index 7ee13796ee..2a5d40e964 100644
+--- a/src/core/lib/gprpp/manual_constructor.h
++++ b/src/core/lib/gprpp/manual_constructor.h
+@@ -159,10 +159,8 @@ class PolymorphicManualConstructor {
+     GPR_ASSERT(static_cast<BaseType*>(p) == p);
+   }
+
+-  typename std::aligned_storage<
+-      grpc_core::manual_ctor_impl::max_size_of<DerivedTypes...>::value,
+-      grpc_core::manual_ctor_impl::max_align_of<DerivedTypes...>::value>::type
+-      space_;
++  alignas(grpc_core::manual_ctor_impl::max_align_of<DerivedTypes...>::value)
++  std::byte space_[grpc_core::manual_ctor_impl::max_size_of<DerivedTypes...>::value];
+ };
+
+ template <typename Type>
+@@ -205,7 +203,7 @@ class ManualConstructor {
+   void Destroy() { get()->~Type(); }
+
+  private:
+-  typename std::aligned_storage<sizeof(Type), alignof(Type)>::type space_;
++  alignas(Type) std::byte space_[sizeof(Type)];
+ };
+
+ }  // namespace grpc_core

grpc-no-std-iterator.patch

@@ -0,0 +1,43 @@
+diff --git a/src/core/ext/filters/client_channel/lb_policy.h b/src/core/ext/filters/client_channel/lb_policy.h
+index c9fc1429ac..0b575c7d0c 100644
+--- a/src/core/ext/filters/client_channel/lb_policy.h
++++ b/src/core/ext/filters/client_channel/lb_policy.h
+@@ -133,25 +133,28 @@ class LoadBalancingPolicy : public InternallyRefCounted<LoadBalancingPolicy> {
+   /// Implemented by the client channel and used by the SubchannelPicker.
+   class MetadataInterface {
+    public:
+-    class iterator
+-        : public std::iterator<
+-              std::input_iterator_tag,
+-              std::pair<absl::string_view, absl::string_view>,  // value_type
+-              std::ptrdiff_t,  // difference_type
+-              std::pair<absl::string_view, absl::string_view>*,  // pointer
+-              std::pair<absl::string_view, absl::string_view>&   // reference
+-              > {
++    class iterator {
+      public:
++      using iterator_category = std::input_iterator_tag;
++      using value_type = std::pair<absl::string_view, absl::string_view>;
++      using difference_type = std::ptrdiff_t;
++      using pointer = value_type*;
++      using reference = value_type&;
++
+       iterator(const MetadataInterface* md, intptr_t handle)
+           : md_(md), handle_(handle) {}
++
+       iterator& operator++() {
+         handle_ = md_->IteratorHandleNext(handle_);
+         return *this;
+       }
+-      bool operator==(iterator other) const {
++
++      bool operator==(const iterator& other) const {
+         return md_ == other.md_ && handle_ == other.handle_;
+       }
+-      bool operator!=(iterator other) const { return !(*this == other); }
++
++      bool operator!=(const iterator& other) const { return !(*this == other); }
++
+       value_type operator*() const { return md_->IteratorHandleGet(handle_); }
+
+      private:

grpc.spec

@@ -4,6 +4,9 @@
 Source: git+https://github.com/grpc/grpc.git?obj=master/v%{realversion}&export=%{n}-%{realversion}&submodules=1&output=/%{n}-%{realversion}.tgz
 Source1: https://patch-diff.githubusercontent.com/raw/grpc/grpc/pull/28212.patch
 Patch1: grpc-mno-outline-atomics
+Patch2: grpc-no-aligned-storage
+Patch3: grpc-no-std-iterator
+Patch4: grpc-cpp23
 BuildRequires: cmake ninja go
 Requires: protobuf zlib pcre c-ares abseil-cpp re2
 %define keep_archives true
@@ -13,6 +16,9 @@ Requires: protobuf zlib pcre c-ares abseil-cpp re2
 %setup -n %{n}-%{realversion}
 patch -p1 <%{_sourcedir}/28212.patch
 %patch1 -p1
+%patch2 -p1
+%patch3 -p1
+%patch4 -p1
 
 %build
 rm -rf ../build

libfabric.spec

@@ -6,6 +6,7 @@ Requires: curl
 Requires: numactl
 Requires: rdma-core
 Requires: xpmem
+BuildRequires: autotools
 
 %prep
 %setup -q -n %{n}-%{realversion}

tensorflow-sources.file

@@ -14,7 +14,7 @@ BuildRequires: bazel java-env git
 %endif
 
 #Set cms_cxx_standard to 17 as LLVM downloaded by TF does not build with c++20
-%if "%{cms_cxx_standard}" == "20"
+%if "%{cms_cxx_standard}" == "20" || "%{cms_cxx_standard}" == "23"
 %undefine cms_cxx_standard
 %define cms_cxx_standard 17
 %endif

tensorflow-sources.spec

@@ -1,5 +1,5 @@
 ### RPM external tensorflow-sources 2.12.0
-%define tag         4a22f3b460370aa5b1c60579104cd103e8f0d6bb
+%define tag         655018dbd1d31b23e0c45cae82ba5a6b42254ab0
 %define branch      cms/v%{realversion}
 %define github_user cms-externals
 %define python_cmd python3