From 5931a38f698ee7f152df258f7d4448d1c8fa974b Mon Sep 17 00:00:00 2001
From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Date: Fri, 24 Feb 2023 16:15:32 +0000
Subject: [PATCH] cmake: Build `bitcoind` executable

---
 CMakeLists.txt            |  44 +++++++++-
 cmake/introspection.cmake |   4 +
 src/CMakeLists.txt        | 163 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 209 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ee845d0638313..19000de14b24b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,6 +38,7 @@ list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/module)
 # Configurable options.
 # When adding a new option, end the <help_text> with a full stop for consistency.
 include(CMakeDependentOption)
+option(BUILD_DAEMON "Build bitcoind executable." ON)
 option(ASM "Use assembly routines." ON)
 cmake_dependent_option(CXX20 "Enable compilation in C++20 mode." OFF "NOT MSVC" ON)
 
@@ -87,14 +88,53 @@ include(cmake/secp256k1.cmake)
 include(CheckStdFilesystem)
 check_std_filesystem()
 
-set(THREADS_PREFER_PTHREAD_FLAG ON)
-find_package(Threads REQUIRED)
+find_package(PkgConfig)
+if(BUILD_DAEMON)
+  set(THREADS_PREFER_PTHREAD_FLAG ON)
+  find_package(Threads REQUIRED)
+  if(NOT MINGW AND NOT CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+    target_compile_definitions(Threads::Threads INTERFACE
+      $<$<COMPILE_FEATURES:cxx_thread_local>:HAVE_THREAD_LOCAL>
+    )
+  endif()
+
+  if(APPLE AND BREW_COMMAND)
+    execute_process(
+      COMMAND ${BREW_COMMAND} --prefix boost
+      OUTPUT_VARIABLE BOOST_ROOT
+      ERROR_QUIET
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+  endif()
+  set(Boost_NO_BOOST_CMAKE ON)
+  # Find Boost headers only.
+  find_package(Boost 1.64.0 REQUIRED)
+  mark_as_advanced(Boost_INCLUDE_DIR)
+  target_compile_definitions(Boost::boost INTERFACE
+    $<$<CONFIG:Debug>:BOOST_MULTI_INDEX_ENABLE_SAFE_MODE>
+  )
+  if(CMAKE_VERSION VERSION_LESS 3.15)
+    add_library(Boost::headers ALIAS Boost::boost)
+  endif()
+
+  pkg_check_modules(libevent REQUIRED libevent>=2.1.8 IMPORTED_TARGET)
+  target_link_libraries(PkgConfig::libevent INTERFACE
+    $<$<PLATFORM_ID:Windows>:iphlpapi;ws2_32>
+  )
+endif()
+
+if(NOT WIN32 AND BUILD_DAEMON)
+  pkg_check_modules(libevent_pthreads REQUIRED libevent_pthreads>=2.1.8 IMPORTED_TARGET)
+endif()
 
 add_subdirectory(src)
 
 message("\n")
 message("Configure summary")
 message("=================")
+message("Executables:")
+message("  bitcoind ............................ ${BUILD_DAEMON}")
+message("")
 get_directory_property(definitions COMPILE_DEFINITIONS)
 string(REPLACE ";" " " definitions "${definitions}")
 message("Preprocessor defined macros ........... ${definitions}")
diff --git a/cmake/introspection.cmake b/cmake/introspection.cmake
index 46ac03d1d4092..d5a0203d70c51 100644
--- a/cmake/introspection.cmake
+++ b/cmake/introspection.cmake
@@ -195,3 +195,7 @@ check_cxx_source_compiles("
   int main(){}
   " HAVE_DLLEXPORT_ATTRIBUTE
 )
+
+if(APPLE)
+  find_program(BREW_COMMAND brew)
+endif()
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8fea2fe3f9622..2fd33efa318d6 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -28,3 +28,166 @@ add_library(bitcoin_consensus OBJECT EXCLUDE_FROM_ALL
   util/strencodings.cpp
 )
 target_link_libraries(bitcoin_consensus PRIVATE secp256k1)
+
+
+# Home for common functionality shared by different executables and libraries.
+# Similar to `bitcoin_util` library, but higher-level.
+add_library(bitcoin_common STATIC EXCLUDE_FROM_ALL
+  base58.cpp
+  bech32.cpp
+  chainparams.cpp
+  coins.cpp
+  common/bloom.cpp
+  common/interfaces.cpp
+  common/run_command.cpp
+  $<$<TARGET_EXISTS:PkgConfig::libevent>:common/url.cpp>
+  compressor.cpp
+  core_read.cpp
+  core_write.cpp
+  deploymentinfo.cpp
+  external_signer.cpp
+  init/common.cpp
+  key.cpp
+  key_io.cpp
+  merkleblock.cpp
+  net_types.cpp
+  netaddress.cpp
+  netbase.cpp
+  net_permissions.cpp
+  outputtype.cpp
+  policy/feerate.cpp
+  policy/policy.cpp
+  protocol.cpp
+  psbt.cpp
+  rpc/rawtransaction_util.cpp
+  rpc/request.cpp
+  rpc/external_signer.cpp
+  rpc/util.cpp
+  scheduler.cpp
+  script/descriptor.cpp
+  script/miniscript.cpp
+  script/sign.cpp
+  script/signingprovider.cpp
+  script/standard.cpp
+  warnings.cpp
+)
+target_link_libraries(bitcoin_common
+  PRIVATE
+    bitcoin_consensus
+    bitcoin_util
+    univalue
+    secp256k1
+    Boost::headers
+    Threads::Threads
+    $<TARGET_NAME_IF_EXISTS:PkgConfig::libevent>
+)
+
+
+# P2P and RPC server functionality used by `bitcoind` and `bitcoin-qt` executables.
+add_library(bitcoin_node STATIC EXCLUDE_FROM_ALL
+  addrdb.cpp
+  addrman.cpp
+  banman.cpp
+  blockencodings.cpp
+  blockfilter.cpp
+  chain.cpp
+  consensus/tx_verify.cpp
+  dbwrapper.cpp
+  deploymentstatus.cpp
+  flatfile.cpp
+  headerssync.cpp
+  httprpc.cpp
+  httpserver.cpp
+  i2p.cpp
+  index/base.cpp
+  index/blockfilterindex.cpp
+  index/coinstatsindex.cpp
+  index/txindex.cpp
+  init.cpp
+  kernel/chain.cpp
+  kernel/checks.cpp
+  kernel/coinstats.cpp
+  kernel/context.cpp
+  kernel/cs_main.cpp
+  kernel/mempool_persist.cpp
+  mapport.cpp
+  net.cpp
+  netgroup.cpp
+  net_processing.cpp
+  node/blockstorage.cpp
+  node/caches.cpp
+  node/chainstate.cpp
+  node/chainstatemanager_args.cpp
+  node/coin.cpp
+  node/connection_types.cpp
+  node/context.cpp
+  node/eviction.cpp
+  node/interface_ui.cpp
+  node/interfaces.cpp
+  node/mempool_args.cpp
+  node/mempool_persist_args.cpp
+  node/miner.cpp
+  node/minisketchwrapper.cpp
+  node/psbt.cpp
+  node/transaction.cpp
+  node/txreconciliation.cpp
+  node/utxo_snapshot.cpp
+  node/validation_cache_args.cpp
+  noui.cpp
+  policy/fees.cpp
+  policy/fees_args.cpp
+  policy/packages.cpp
+  policy/rbf.cpp
+  policy/settings.cpp
+  pow.cpp
+  rest.cpp
+  rpc/blockchain.cpp
+  rpc/fees.cpp
+  rpc/mempool.cpp
+  rpc/mining.cpp
+  rpc/net.cpp
+  rpc/node.cpp
+  rpc/output_script.cpp
+  rpc/rawtransaction.cpp
+  rpc/server.cpp
+  rpc/server_util.cpp
+  rpc/signmessage.cpp
+  rpc/txoutproof.cpp
+  script/sigcache.cpp
+  shutdown.cpp
+  signet.cpp
+  timedata.cpp
+  torcontrol.cpp
+  txdb.cpp
+  txmempool.cpp
+  txorphanage.cpp
+  txrequest.cpp
+  validation.cpp
+  validationinterface.cpp
+  versionbits.cpp
+
+  dummywallet.cpp
+)
+target_link_libraries(bitcoin_node
+  PRIVATE
+    bitcoin_common
+    bitcoin_util
+    leveldb
+    minisketch
+    univalue
+    Boost::headers
+    $<TARGET_NAME_IF_EXISTS:PkgConfig::libevent_pthreads>
+)
+
+
+# Bitcoin Core bitcoind.
+if(BUILD_DAEMON)
+  add_executable(bitcoind
+    bitcoind.cpp
+    init/bitcoind.cpp
+  )
+  target_link_libraries(bitcoind
+    PRIVATE
+      bitcoin_node
+  )
+endif()