cmake: Build bench_bitcoin executable

CMakeLists.txt

@@ -140,6 +140,8 @@ endif()
 
 cmake_dependent_option(ENABLE_EXTERNAL_SIGNER "Enable external signer support." ON "NOT WIN32" OFF)
 
+option(BUILD_BENCH "Build bench_bitcoin executable." OFF)
+
 set(configure_warnings)
 
 include(CheckPIESupported)
@@ -264,7 +266,7 @@ target_link_libraries(core_interface INTERFACE
 include(AddBoostIfNeeded)
 add_boost_if_needed()
 
-if(BUILD_DAEMON OR BUILD_CLI OR BUILD_TESTS)
+if(BUILD_DAEMON OR BUILD_CLI OR BUILD_TESTS OR BUILD_BENCH)
   find_package(Libevent 2.1.8 MODULE REQUIRED)
 endif()
 
@@ -320,6 +322,7 @@ message("  ZeroMQ .............................. ${WITH_ZMQ}")
 message("  USDT tracing ........................ ${WITH_USDT}")
 message("Tests:")
 message("  test_bitcoin ........................ ${BUILD_TESTS}")
+message("  bench_bitcoin ....................... ${BUILD_BENCH}")
 message("")
 message("C++ compiler .......................... ${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION}, ${CMAKE_CXX_COMPILER}")
 include(FlagsSummary)