On Wed, 21 Feb 2024 22:42:01 +0900, Masahiro Yamada wrote: > In Makefiles, $(error ), $(warning ), and $(info ) expand to the empty > string, as explained in the GNU Make manual [1]: > "The result of the expansion of this function is the empty string." > > Therefore, they are no-op except for logging purposes. > > $(shell ...) expands to the output of the command. It expands to the > empty string when the command does not print anything to stdout. > Hence, $(shell mkdir ...) is no-op except for creating the directory. > > [...] Applied to perf-tools-next, thanks! Best regards, -- Namhyung Kim <namhyung@xxxxxxxxxx>
