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-rw-r--r--scripts/Kbuild.include22
1 files changed, 12 insertions, 10 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 982dcae7bbe..c29be8f9024 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -25,6 +25,13 @@ basetarget = $(basename $(notdir $@))
escsq = $(subst $(squote),'\$(squote)',$1)
###
+# Easy method for doing a status message
+ kecho := :
+ quiet_kecho := echo
+silent_kecho := :
+kecho := $($(quiet)kecho)
+
+###
# filechk is used to check if the content of a generated file is updated.
# Sample usage:
# define filechk_sample
@@ -39,22 +46,15 @@ escsq = $(subst $(squote),'\$(squote)',$1)
# - If they are equal no change, and no timestamp update
# - stdin is piped in from the first prerequisite ($<) so one has
# to specify a valid file as first prerequisite (often the kbuild file)
- chk_filechk = :
- quiet_chk_filechk = echo ' CHK $@'
-silent_chk_filechk = :
- upd_filechk = :
- quiet_upd_filechk = echo ' UPD $@'
-silent_upd_filechk = :
-
define filechk
$(Q)set -e; \
- $($(quiet)chk_filechk); \
+ $(kecho) ' CHK $@'; \
mkdir -p $(dir $@); \
$(filechk_$(1)) < $< > $@.tmp; \
if [ -r $@ ] && cmp -s $@ $@.tmp; then \
rm -f $@.tmp; \
else \
- $($(quiet)upd_filechk); \
+ $(kecho) ' UPD $@'; \
mv -f $@.tmp $@; \
fi
endef
@@ -144,7 +144,9 @@ ld-option = $(call try-run,\
build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
# Prefix -I with $(srctree) if it is not an absolute path.
-addtree = $(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1)
+# skip if -I has no parameter
+addtree = $(if $(patsubst -I%,%,$(1)), \
+$(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1))
# Find all -I options and call addtree
flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))