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kbuild: allow to combine multiple V= levels
Commit a6de553da0
("kbuild: Allow to combine multiple W= levels")
supported W=123 to enable all the extra warning groups.
I think a similar idea is applicable to the V= option.
V=1 echos the whole command
V=2 prints the reason for rebuilding
These are orthogonal, and can be enabled at the same time.
This commit supports V=12 to enable both of them.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Nicolas Schier <nicolas@fjasle.eu>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
This commit is contained in:
parent
c0d3b83100
commit
6ae4b9868a
18
Makefile
18
Makefile
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@ -69,9 +69,8 @@ unexport GREP_OPTIONS
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#
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#
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# $(Q)$(MAKE) $(build)=scripts/basic
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# $(Q)$(MAKE) $(build)=scripts/basic
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#
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#
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# If KBUILD_VERBOSE equals 0 then the above command will be hidden.
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# If KBUILD_VERBOSE contains 1, the whole command is echoed.
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# If KBUILD_VERBOSE equals 1 then the above command is displayed.
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# If KBUILD_VERBOSE contains 2, the reason for rebuilding is printed.
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# If KBUILD_VERBOSE equals 2 then give the reason why each target is rebuilt.
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#
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#
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# To put more focus on warnings, be less verbose as default
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# To put more focus on warnings, be less verbose as default
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# Use 'make V=1' to see the full commands
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# Use 'make V=1' to see the full commands
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@ -83,12 +82,12 @@ ifndef KBUILD_VERBOSE
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KBUILD_VERBOSE = 0
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KBUILD_VERBOSE = 0
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endif
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endif
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ifeq ($(KBUILD_VERBOSE),1)
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quiet = quiet_
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Q = @
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ifneq ($(findstring 1, $(KBUILD_VERBOSE)),)
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quiet =
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quiet =
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Q =
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Q =
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else
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quiet=quiet_
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Q = @
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endif
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endif
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# If the user is running make -s (silent mode), suppress echoing of
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# If the user is running make -s (silent mode), suppress echoing of
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@ -1775,8 +1774,9 @@ help:
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printf " %-16s - Show all of the above\\n" help-boards; \
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printf " %-16s - Show all of the above\\n" help-boards; \
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echo '')
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echo '')
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@echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
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@echo ' make V=n [targets] 0: quiet build (default), 1: verbose build'
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@echo ' make V=2 [targets] 2 => give reason for rebuild of target'
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@echo ' 2: give reason for rebuild of target'
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@echo ' V=1 and V=2 can be combined with V=12'
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@echo ' make O=dir [targets] Locate all output files in "dir", including .config'
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@echo ' make O=dir [targets] Locate all output files in "dir", including .config'
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@echo ' make C=1 [targets] Check re-compiled c source with $$CHECK'
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@echo ' make C=1 [targets] Check re-compiled c source with $$CHECK'
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@echo ' (sparse by default)'
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@echo ' (sparse by default)'
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@ -1,7 +1,7 @@
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# SPDX-License-Identifier: GPL-2.0
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# SPDX-License-Identifier: GPL-2.0
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PHONY += posttest
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PHONY += posttest
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ifeq ($(KBUILD_VERBOSE),1)
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ifneq ($(findstring 1, $(KBUILD_VERBOSE)),)
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posttest_verbose = -v
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posttest_verbose = -v
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else
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else
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posttest_verbose =
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posttest_verbose =
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@ -132,7 +132,7 @@ clean := -f $(srctree)/scripts/Makefile.clean obj
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# If quiet is empty, print short log and whole command
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# If quiet is empty, print short log and whole command
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silent_log_print = exec >/dev/null;
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silent_log_print = exec >/dev/null;
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quiet_log_print = $(if $(quiet_cmd_$1), echo ' $(call escsq,$(quiet_cmd_$1)$(why))';)
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quiet_log_print = $(if $(quiet_cmd_$1), echo ' $(call escsq,$(quiet_cmd_$1)$(why))';)
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log_print = echo '$(pound) $(call escsq,$(or $(quiet_cmd_$1),cmd_$1 $@))'; \
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log_print = echo '$(pound) $(call escsq,$(or $(quiet_cmd_$1),cmd_$1 $@)$(why))'; \
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echo ' $(call escsq,$(cmd_$1))';
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echo ' $(call escsq,$(cmd_$1))';
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# Delete the target on interruption
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# Delete the target on interruption
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@ -233,7 +233,7 @@ if_changed_rule = $(if $(if-changed-cond),$(rule_$(1)),@:)
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# (5) No dir/.target.cmd file (used to store command line)
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# (5) No dir/.target.cmd file (used to store command line)
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# (6) No dir/.target.cmd file and target not listed in $(targets)
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# (6) No dir/.target.cmd file and target not listed in $(targets)
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# This is a good hint that there is a bug in the kbuild file
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# This is a good hint that there is a bug in the kbuild file
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ifeq ($(KBUILD_VERBOSE),2)
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ifneq ($(findstring 2, $(KBUILD_VERBOSE)),)
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_why = \
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_why = \
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$(if $(filter $@, $(PHONY)),- due to target is PHONY, \
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$(if $(filter $@, $(PHONY)),- due to target is PHONY, \
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$(if $(wildcard $@), \
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$(if $(wildcard $@), \
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@ -8,7 +8,7 @@
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# Uses the following environment variables:
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# Uses the following environment variables:
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# SUBARCH, SRCARCH, srctree
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# SUBARCH, SRCARCH, srctree
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if [ "$KBUILD_VERBOSE" = "1" ]; then
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if [[ "$KBUILD_VERBOSE" =~ 1 ]]; then
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set -x
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set -x
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fi
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fi
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