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authorJiri Kosina <jkosina@suse.cz>2011-06-10 14:46:48 +0200
committerJiri Kosina <jkosina@suse.cz>2011-06-10 14:46:57 +0200
commit5be5758c114b18260c6fd4c8373bf89e39b0fe82 (patch)
tree54390f904df6ff11e570f764c444356cf2709fda /scripts/Kbuild.include
parent71f66a6580c4e42df377bebbcca5c72661a40700 (diff)
parent7f45e5cd1718ed769295033ca214032848a0097d (diff)
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patches against new code I have in queue.
Diffstat (limited to 'scripts/Kbuild.include')
-rw-r--r--scripts/Kbuild.include12
1 files changed, 12 insertions, 0 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index ed2773edfe7..be39cd1c74c 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -118,6 +118,11 @@ cc-option-yn = $(call try-run,\
cc-option-align = $(subst -functions=0,,\
$(call cc-option,-falign-functions=0,-malign-functions=0))
+# cc-disable-warning
+# Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable)
+cc-disable-warning = $(call try-run,\
+ $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -xc /dev/null -o "$$TMP",-Wno-$(strip $(1)))
+
# cc-version
# Usage gcc-ver := $(call cc-version)
cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC))
@@ -141,6 +146,11 @@ cc-ldoption = $(call try-run,\
ld-option = $(call try-run,\
$(CC) /dev/null -c -o "$$TMPO" ; $(LD) $(1) "$$TMPO" -o "$$TMP",$(1),$(2))
+# ar-option
+# Usage: KBUILD_ARFLAGS := $(call ar-option,D)
+# Important: no spaces around options
+ar-option = $(call try-run, $(AR) rc$(1) "$$TMP",$(1),$(2))
+
######
###
@@ -187,6 +197,8 @@ ifneq ($(KBUILD_NOCMDDEP),1)
# User may override this check using make KBUILD_NOCMDDEP=1
arg-check = $(strip $(filter-out $(cmd_$(1)), $(cmd_$@)) \
$(filter-out $(cmd_$@), $(cmd_$(1))) )
+else
+arg-check = $(if $(strip $(cmd_$@)),,1)
endif
# >'< substitution is for echo to work,