Separate out the command execution part of if_changed, as we did
for if_changed_dep.
This allows us to reuse it in if_changed_rule.
define rule_foo
$(call cmd_and_savecmd,foo)
$(call cmd,bar)
endef
Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---
scripts/Kbuild.include | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index cdec22088423..d09fc14205a0 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -138,9 +138,11 @@ check-FORCE = $(if $(filter FORCE, $^),,$(warning FORCE prerequisite is missing)
if-changed-cond = $(newer-prereqs)$(cmd-check)$(check-FORCE)
# Execute command if command has changed or prerequisite(s) are updated.
-if_changed = $(if $(if-changed-cond), \
+if_changed = $(if $(if-changed-cond),$(cmd_and_savecmd),@:)
+
+cmd_and_savecmd = \
$(cmd); \
- printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:)
+ printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd
# Execute the command and also postprocess generated .d dependencies file.
if_changed_dep = $(if $(if-changed-cond),$(cmd_and_fixdep),@:)
--
2.30.2
