kbuild: change if_changed_rule for multi-line recipe
Backport from kernel
commit 3a2429e1faf4 ("kbuild: change if_changed_rule for multi-line recipe")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 6ef66c4..c0d3440 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -226,7 +226,7 @@
echo ' $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';)
# printing commands
-cmd = @$(echo-cmd) $(cmd_$(1))
+cmd = @set -e; $(echo-cmd) $(cmd_$(1))
# Add $(obj)/ for paths that are not absolute
objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o)))
@@ -268,21 +268,17 @@
printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:)
# Execute the command and also postprocess generated .d dependencies file.
-if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \
- @set -e; \
- $(cmd_and_fixdep), @:)
+if_changed_dep = $(if $(strip $(any-prereq) $(arg-check)),$(cmd_and_fixdep),@:)
cmd_and_fixdep = \
- $(echo-cmd) $(cmd_$(1)); \
+ $(cmd); \
scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).cmd;\
rm -f $(depfile)
# Usage: $(call if_changed_rule,foo)
# Will check if $(cmd_foo) or any of the prerequisites changed,
# and if so will execute $(rule_foo).
-if_changed_rule = $(if $(strip $(any-prereq) $(arg-check) ), \
- @set -e; \
- $(rule_$(1)), @:)
+if_changed_rule = $(if $(strip $(any-prereq) $(arg-check)),$(rule_$(1)),@:)
###
# why - tell why a a target got build