From: Masahiro Yamada Date: Sat, 17 Jun 2023 15:30:25 +0000 (+0900) Subject: kbuild: make clean rule robust against too long argument error X-Git-Tag: v6.6.7~2466^2~11 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3602906019a68c340b69991bb4020e10374fb0d0;p=platform%2Fkernel%2Flinux-starfive.git kbuild: make clean rule robust against too long argument error Commit cd968b97c492 ("kbuild: make built-in.a rule robust against too long argument error") made a build rule robust against "Argument list too long" error. Eugeniu Rosca reported the same error occurred when cleaning an external module. The $(obj)/ prefix can be a very long path for external modules. Apply a similar solution to 'make clean'. Reported-by: Eugeniu Rosca Signed-off-by: Masahiro Yamada Reviewed-by: Eugeniu Rosca Tested-by: Eugeniu Rosca --- diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean index 3649900..f2cb4d7 100644 --- a/scripts/Makefile.clean +++ b/scripts/Makefile.clean @@ -37,8 +37,10 @@ __clean-files := $(wildcard $(addprefix $(obj)/, $(__clean-files))) # ========================================================================== +# To make this rule robust against "Argument list too long" error, +# remove $(obj)/ prefix, and restore it by a shell command. quiet_cmd_clean = CLEAN $(obj) - cmd_clean = rm -rf $(__clean-files) + cmd_clean = printf '$(obj)/%s ' $(patsubst $(obj)/%,%,$(__clean-files)) | xargs rm -rf __clean: $(subdir-ymn) ifneq ($(strip $(__clean-files)),)