CMake: print comment when appending sha256sum to pihole-FTL

Signed-off-by: DL6ER <[email protected]>

src/CMakeLists.txt

@@ -375,7 +375,7 @@ endif()
 
 # After finishing building the FTL binary, we append the sha256sum of the binary
 # in raw form to itself and print the checksum to the console
-add_custom_command(TARGET pihole-FTL POST_BUILD
+add_custom_command(TARGET pihole-FTL POST_BUILD COMMENT "Appending sha256sum to pihole-FTL"
         COMMAND echo -n "SHA256 checksum of pihole-FTL: " && sha256sum $<TARGET_FILE:pihole-FTL> | cut -d ' ' -f 1
         COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:pihole-FTL> $<TARGET_FILE_DIR:pihole-FTL>/pihole-FTL.tmp
         COMMAND sha256sum $<TARGET_FILE:pihole-FTL>.tmp | cut -d ' ' -f 1 | xxd -r -p >> $<TARGET_FILE:pihole-FTL>.tmp