cmake: Build `bitcoin-chainstate` executable

CMakeLists.txt

@@ -74,7 +74,8 @@ option(BUILD_TESTS "Build test_bitcoin executable." ON)
 option(BUILD_TX "Build bitcoin-tx executable." ${BUILD_TESTS})
 option(BUILD_UTIL "Build bitcoin-util executable." ${BUILD_TESTS})
 
-option(BUILD_KERNEL_LIB "Build experimental bitcoinkernel library." OFF)
+option(BUILD_UTIL_CHAINSTATE "Build experimental bitcoin-chainstate executable." OFF)
+option(BUILD_KERNEL_LIB "Build experimental bitcoinkernel library." ${BUILD_UTIL_CHAINSTATE})
 
 option(ENABLE_WALLET "Enable wallet." ON)
 option(WITH_SQLITE "Enable SQLite wallet support." ${ENABLE_WALLET})
@@ -207,6 +208,7 @@ if(BUILD_FOR_FUZZING)
   set(BUILD_CLI OFF)
   set(BUILD_TX OFF)
   set(BUILD_UTIL OFF)
+  set(BUILD_UTIL_CHAINSTATE OFF)
   set(BUILD_KERNEL_LIB OFF)
   set(BUILD_WALLET_TOOL OFF)
   set(BUILD_GUI OFF)
@@ -498,6 +500,7 @@ message("  bitcoin-cli ......................... ${BUILD_CLI}")
 message("  bitcoin-tx .......................... ${BUILD_TX}")
 message("  bitcoin-util ........................ ${BUILD_UTIL}")
 message("  bitcoin-wallet ...................... ${BUILD_WALLET_TOOL}")
+message("  bitcoin-chainstate (experimental) ... ${BUILD_UTIL_CHAINSTATE}")
 message("  libbitcoinkernel (experimental) ..... ${BUILD_KERNEL_LIB}")
 message("Optional features:")
 message("  wallet support ...................... ${ENABLE_WALLET}")

src/CMakeLists.txt

@@ -353,6 +353,26 @@ if(BUILD_KERNEL_LIB)
   add_subdirectory(kernel)
 endif()
 
+if(BUILD_UTIL_CHAINSTATE)
+  add_executable(bitcoin-chainstate
+    bitcoin-chainstate.cpp
+  )
+  # TODO: The `SKIP_BUILD_RPATH` property setting can be deleted
+  #       in the future after reordering Guix script commands to
+  #       perform binary checks after the installation step.
+  # Relevant discussions:
+  # - https://github.com/hebasto/bitcoin/pull/236#issuecomment-2183120953
+  # - https://github.com/bitcoin/bitcoin/pull/30312#issuecomment-2191235833
+  set_target_properties(bitcoin-chainstate PROPERTIES
+    SKIP_BUILD_RPATH OFF
+  )
+  target_link_libraries(bitcoin-chainstate
+    PRIVATE
+      core_interface
+      bitcoinkernel
+  )
+endif()
+
 
 add_subdirectory(test/util)
 if(BUILD_BENCH)