build: move raw rule into Makefile.am

The same rule is used by the tests and benchmarks to generate headers,
and currently causes #25501. Just deduplicate the code into Makefile.am.

src/Makefile.am

@@ -1065,6 +1065,15 @@ nodist_libbitcoin_ipc_a_SOURCES = $(libbitcoin_ipc_mpgen_output)
 CLEANFILES += $(libbitcoin_ipc_mpgen_output)
 endif
 
+%.raw.h: %.raw
+	@$(MKDIR_P) $(@D)
+	@{ \
+	 echo "static unsigned const char $(*F)_raw[] = {" && \
+	 $(HEXDUMP) -v -e '8/1 "0x%02x, "' -e '"\n"' $< | $(SED) -e 's/0x  ,//g' && \
+	 echo "};"; \
+	} > "$@.new" && mv -f "$@.new" "$@"
+	@echo "Generated $@"
+
 include Makefile.minisketch.include
 
 include Makefile.crc32c.include

src/Makefile.bench.include

@@ -93,12 +93,3 @@ bench: $(BENCH_BINARY) FORCE
 
 bitcoin_bench_clean : FORCE
 	rm -f $(CLEAN_BITCOIN_BENCH) $(bench_bench_bitcoin_OBJECTS) $(BENCH_BINARY)
-
-%.raw.h: %.raw
-	@$(MKDIR_P) $(@D)
-	@{ \
-	 echo "static unsigned const char $(*F)_raw[] = {" && \
-	 $(HEXDUMP) -v -e '8/1 "0x%02x, "' -e '"\n"' $< | $(SED) -e 's/0x  ,//g' && \
-	 echo "};"; \
-	} > "$@.new" && mv -f "$@.new" "$@"
-	@echo "Generated $@"

src/Makefile.test.include

@@ -415,12 +415,3 @@ endif
 	 echo "};};"; \
 	} > "$@.new" && mv -f "$@.new" "$@"
 	@echo "Generated $@"
-
-%.raw.h: %.raw
-	@$(MKDIR_P) $(@D)
-	@{ \
-	 echo "static unsigned const char $(*F)_raw[] = {" && \
-	 $(HEXDUMP) -v -e '8/1 "0x%02x, "' -e '"\n"' $< | $(SED) -e 's/0x  ,//g' && \
-	 echo "};"; \
-	} > "$@.new" && mv -f "$@.new" "$@"
-	@echo "Generated $@"