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-rw-r--r--scripts/Kbuild.include52
1 files changed, 10 insertions, 42 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 3d09844405c9..46bf1a073f5d 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -213,7 +213,7 @@ echo-cmd = $(if $($(quiet)cmd_$(1)),\
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)))
@@ -249,56 +249,21 @@ any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)
# Execute command if command has changed or prerequisite(s) are updated.
if_changed = $(if $(strip $(any-prereq) $(arg-check)), \
- @set -e; \
- $(echo-cmd) $(cmd_$(1)); \
+ $(cmd); \
printf '%s\n' 'cmd_$@ := $(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), @:)
-
-ifndef CONFIG_TRIM_UNUSED_KSYMS
+if_changed_dep = $(if $(strip $(any-prereq) $(arg-check)),$(cmd_and_fixdep),@:)
cmd_and_fixdep = \
- $(echo-cmd) $(cmd_$(1)); \
- scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp;\
- rm -f $(depfile); \
- mv -f $(dot-target).tmp $(dot-target).cmd;
-
-else
-
-# Filter out exported kernel symbol names from the preprocessor output.
-# See also __KSYM_DEPS__ in include/linux/export.h.
-# We disable the depfile generation here, so as not to overwrite the existing
-# depfile while fixdep is parsing it.
-flags_nodeps = $(filter-out -Wp$(comma)-M%, $($(1)))
-ksym_dep_filter = \
- case "$(1)" in \
- cc_*_c|cpp_i_c) \
- $(CPP) $(call flags_nodeps,c_flags) -D__KSYM_DEPS__ $< ;; \
- as_*_S|cpp_s_S) \
- $(CPP) $(call flags_nodeps,a_flags) -D__KSYM_DEPS__ $< ;; \
- boot*|build*|cpp_its_S|*cpp_lds_S|dtc|host*|vdso*) : ;; \
- *) echo "Don't know how to preprocess $(1)" >&2; false ;; \
- esac | tr ";" "\n" | sed -n 's/^.*=== __KSYM_\(.*\) ===.*$$/_\1/p'
-
-cmd_and_fixdep = \
- $(echo-cmd) $(cmd_$(1)); \
- $(ksym_dep_filter) | \
- scripts/basic/fixdep -e $(depfile) $@ '$(make-cmd)' \
- > $(dot-target).tmp; \
- rm -f $(depfile); \
- mv -f $(dot-target).tmp $(dot-target).cmd;
-
-endif
+ $(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 target got built
@@ -391,3 +356,6 @@ endef
# delete partially updated (i.e. corrupted) files on error
.DELETE_ON_ERROR:
+
+# do not delete intermediate files automatically
+.SECONDARY: