On Tue, 20 Nov 2007, Sam Ravnborg wrote: > On Tue, Nov 20, 2007 at 06:14:22AM -0500, Robert P. J. Day wrote: ... snip ... > > it may be that that's what you want, but it's certainly not obvious > > from the comment above it. at the very least, that comment should be > > tweaked, no? > It is what we want - so yes the comment should be updated. And the > comment for the flags function should explain why we do this - why > this is needed to support separate output directory. well, i'm going to leave that with you, but feel free to apply any of the following while you're there: diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index b96ea8d..b6cef7d 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -72,7 +72,7 @@ TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/) # try-run # Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise) -# Exit code chooses option. "$$TMP" is can be used as temporary file and +# Exit code chooses option. "$$TMP" can be used as temporary file and # is automatically cleaned up. try-run = $(shell set -e; \ TMP="$(TMPOUT).$$$$.tmp"; \ @@ -150,7 +150,7 @@ echo-cmd = $(if $($(quiet)cmd_$(1)),\ # printing commands cmd = @$(echo-cmd) $(cmd_$(1)) -# Add $(obj)/ for paths that are not absolute +# Add $(obj)/ prefix for paths that are not absolute objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o))) ### @@ -162,7 +162,7 @@ objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o))) # See Documentation/kbuild/makefiles.txt for more info ifneq ($(KBUILD_NOCMDDEP),1) -# Check if both arguments has same arguments. Result is empty string if equal. +# Check if argument lists are equivalent. Result is empty string if equal. # User may override this check using make KBUILD_NOCMDDEP=1 arg-check = $(strip $(filter-out $(cmd_$(1)), $(cmd_$@)) \ $(filter-out $(cmd_$@), $(cmd_$(1))) ) @@ -174,7 +174,7 @@ endif # in $(cmd_xxx) double $$ your perl vars make-cmd = $(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))) -# Find any prerequisites that is newer than target or that does not exist. +# Find any prerequisites that are newer than target or that do not exist. # PHONY targets skipped in both cases. any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^) @@ -201,7 +201,7 @@ if_changed_rule = $(if $(strip $(any-prereq) $(arg-check) ), \ $(rule_$(1))) ### -# why - tell why a a target got build +# why - tell why a target got built # enabled by make V=2 # Output (listed in the order they are checked): # (1) - due to target is PHONY @@ -210,12 +210,12 @@ if_changed_rule = $(if $(strip $(any-prereq) $(arg-check) ), \ # (4) - due to command line change # (5) - due to missing .cmd file # (6) - due to target not in $(targets) -# (1) PHONY targets are always build +# (1) PHONY targets are always built # (2) No target, so we better build it # (3) Prerequisite is newer than target # (4) The command line stored in the file named dir/.target.cmd # differed from actual command line. This happens when compiler -# options changes +# options change # (5) No dir/.target.cmd file (used to store command line) # (6) No dir/.target.cmd file and target not listed in $(targets) # This is a good hint that there is a bug in the kbuild file rday ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry Waterloo, Ontario, CANADA http://crashcourse.ca ======================================================================== - To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html