temp: add clang-tidy rule

src/Makefile.am

@@ -1070,6 +1070,16 @@ EXTRA_DIST += $(libbitcoin_ipc_mpgen_input)
 # https://www.gnu.org/software/automake/manual/html_node/Built-Sources-Example.html#Recording-Dependencies-manually
 ipc/capnp/libbitcoin_ipc_a-protocol.$(OBJEXT): $(libbitcoin_ipc_mpgen_input:=.h)
 
+CLANGTIDY=clang-tidy
+
+%.cpp.tidy: %.cpp FORCE
+	@echo clang-tidy: $<
+	$(AM_V_at)$(CLANGTIDY) -checks='$(CLANG_TIDY_CHECKS)' $< -- -std=c++20 $(DEFS) $(BITCOIN_INCLUDES) $(BOOST_CPPFLAGS)
+
+BITCOIND_ALL_CPP=$(bitcoind_SOURCES) $(libbitcoin_wallet_a_SOURCES) $(libbitcoin_common_a_SOURCES) $(libbitcoin_util_a_SOURCES) $(libbitcoin_zmq_a_SOURCES) $(libbitcoin_consensus_a_SOURCES) $(libbitcoin_node_a_SOURCES)
+
+bitcoind-tidy: FORCE $(BITCOIND_ALL_CPP:%.cpp=%.cpp.tidy)
+
 if BUILD_MULTIPROCESS
 LIBBITCOIN_IPC=libbitcoin_ipc.a
 libbitcoin_ipc_a_SOURCES = \