Nuke libmultiprocess

CMakeLists.txt

@@ -121,13 +121,7 @@ if(WITH_USDT)
   find_package(USDT MODULE REQUIRED)
 endif()
 
-option(WITH_EXTERNAL_LIBMULTIPROCESS "Build with external libmultiprocess library instead of with local git subtree. This is not normally recommended, but can be useful for developing libmultiprocess itself." OFF)
-if(WITH_EXTERNAL_LIBMULTIPROCESS)
-  find_package(Libmultiprocess REQUIRED COMPONENTS Lib)
-  find_package(LibmultiprocessNative REQUIRED COMPONENTS Bin
-    NAMES Libmultiprocess
-  )
-endif()
+find_package(CapnProto REQUIRED)
 
 option(BUILD_BENCH "Build bench_bitcoin executable." OFF)
 option(BUILD_FUZZ_BINARY "Build fuzz binary." OFF)

ci/test/03_test_script.sh

@@ -196,6 +196,14 @@ if [ "${RUN_TIDY}" = "true" ]; then
 fi
 
 if [[ "${RUN_IWYU}" == true ]]; then
+  mkdir -p "${BASE_BUILD_DIR}/src/node/data"
+  cmake -DRAW_SOURCE_PATH="${BASE_ROOT_DIR}/src/node/data/ip_asn.dat" \
+        -DHEADER_PATH="${BASE_BUILD_DIR}/src/node/data/ip_asn.dat.h" \
+        -DRAW_NAMESPACE=node::data \
+        -P "${BASE_ROOT_DIR}/cmake/script/GenerateHeaderFromRaw.cmake"
+  # shellcheck disable=SC2086
+  cmake --build "${BASE_BUILD_DIR}" "$MAKEJOBS" --target bitcoin_ipc
+
   # TODO: Consider enforcing IWYU across the entire codebase.
   FILES_WITH_ENFORCED_IWYU="/src/(((crypto|index|kernel|primitives|script|univalue/(lib|test)|util)/.*|bench/(block_assemble|connectblock)|common/license_info|node/(blockstorage|interfaces|miner|mining_args|utxo_snapshot)|rpc/mining|clientversion|core_io|signet|init)\\.cpp)"
   jq --arg patterns "$FILES_WITH_ENFORCED_IWYU" 'map(select(.file | test($patterns)))' "${BASE_BUILD_DIR}/compile_commands.json" > "${BASE_BUILD_DIR}/compile_commands_iwyu_errors.json"

depends/packages/packages.mk

@@ -3,6 +3,6 @@ packages:=
 boost_packages = boost
 
 ipc_packages = capnp
-multiprocess_native_packages = native_libmultiprocess native_capnp
+multiprocess_native_packages = native_capnp
 
 usdt_linux_packages=systemtap

depends/toolchain.cmake.in

@@ -136,6 +136,5 @@ else()
   set(USDT_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}/systemtap/include" CACHE PATH "")
 endif()
 
-set(MPGEN_EXECUTABLE "${CMAKE_CURRENT_LIST_DIR}/native/bin/mpgen" CACHE FILEPATH "")
 set(CAPNP_EXECUTABLE "${CMAKE_CURRENT_LIST_DIR}/native/bin/capnp" CACHE FILEPATH "")
 set(CAPNPC_CXX_EXECUTABLE "${CMAKE_CURRENT_LIST_DIR}/native/bin/capnpc-c++" CACHE FILEPATH "")

doc/dependencies.md

@@ -24,7 +24,6 @@ Bitcoin Core requires one of the following compilers.
 | [Boost](../depends/packages/boost.mk) | [link](https://www.boost.org/users/download/) | [1.74.0](https://github.com/bitcoin/bitcoin/pull/34107) |
 | [Cap'n Proto](../depends/packages/native_capnp.mk) ([IPC](multiprocess.md)) | [link](https://capnproto.org/) | [0.7.1](https://github.com/bitcoin/bitcoin/pull/33241) |
 | CMake | [link](https://cmake.org/) | [3.22](https://github.com/bitcoin/bitcoin/pull/30454) |
-| [libmultiprocess](../depends/packages/native_libmultiprocess.mk) ([IPC](multiprocess.md)) | [link](https://github.com/bitcoin-core/libmultiprocess/tags) | [v7.0-pre1](https://github.com/bitcoin/bitcoin/pull/33517) |
 
 ### Runtime
 
@@ -40,4 +39,3 @@ Bitcoin Core requires one of the following compilers.
 | --- | --- | --- |
 | Python (scripts, tests) | [link](https://www.python.org) | [3.10](https://github.com/bitcoin/bitcoin/pull/30527) |
 | [systemtap](../depends/packages/systemtap.mk) ([tracing](tracing.md)) | [link](https://sourceware.org/systemtap/) | N/A |
-