build: move as-option-add to xen/

Only xen/ uses as-option-add and as-insn, so there aren't needed in
Config.mk.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>

diff --git a/Config.mk b/Config.mk
index 65649d6122d12be2ce66dfa9f29b308e077220b7..dc6e7d03dffe19e659131a35952a086e66d645ba 100644 (file)
--- a/Config.mk
+++ b/Config.mk
@@ -143,23 +143,6 @@ ifndef XEN_HAS_CHECKPOLICY
     export XEN_HAS_CHECKPOLICY
 endif
 
-# as-insn: Check whether assembler supports an instruction.
-# Usage: cflags-y += $(call as-insn,CC FLAGS,"insn",option-yes,option-no)
-as-insn = $(if $(shell echo 'void _(void) { asm volatile ( $(2) ); }' \
-                       | $(filter-out -M% %.d -include %/include/xen/config.h,$(1)) \
-                              -c -x c -o /dev/null - 2>&1),$(4),$(3))
-
-# as-option-add: Conditionally add options to flags
-# Usage: $(call as-option-add,CFLAGS,CC,"insn",option-yes,option-no)
-as-option-add = $(eval $(call as-option-add-closure,$(1),$(2),$(3),$(4),$(5)))
-define as-option-add-closure
-    ifeq ($$(call as-insn,$$($(2)) $$($(1)),$(3),y,n),y)
-        $(1) += $(4)
-    else
-        $(1) += $(5)
-    endif
-endef
-
 define buildmakevars2shellvars
     export PREFIX="$(prefix)";                                            \
     export XEN_SCRIPT_DIR="$(XEN_SCRIPT_DIR)";                            \

diff --git a/xen/scripts/Kbuild.include b/xen/scripts/Kbuild.include
index 6a9b0c39da53e9d187b11fd82b77d63ef4559f14..806c68824ed5817d23aaf94481cb08dccb1beed5 100644 (file)
--- a/xen/scripts/Kbuild.include
+++ b/xen/scripts/Kbuild.include
@@ -7,6 +7,23 @@
 DEPS = .*.d
 DEPS_INCLUDE = $(addsuffix .d2, $(basename $(wildcard $(DEPS))))
 
+# as-insn: Check whether assembler supports an instruction.
+# Usage: cflags-y += $(call as-insn,CC FLAGS,"insn",option-yes,option-no)
+as-insn = $(if $(shell echo 'void _(void) { asm volatile ( $(2) ); }' \
+                       | $(filter-out -M% %.d -include %/include/xen/config.h,$(1)) \
+                              -c -x c -o /dev/null - 2>&1),$(4),$(3))
+
+# as-option-add: Conditionally add options to flags
+# Usage: $(call as-option-add,CFLAGS,CC,"insn",option-yes,option-no)
+as-option-add = $(eval $(call as-option-add-closure,$(1),$(2),$(3),$(4),$(5)))
+define as-option-add-closure
+    ifeq ($$(call as-insn,$$($(2)) $$($(1)),$(3),y,n),y)
+        $(1) += $(4)
+    else
+        $(1) += $(5)
+    endif
+endef
+
 # cc-ifversion
 # Usage:  EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1)
 cc-ifversion = $(shell [ $(CONFIG_GCC_VERSION)0 $(1) $(2)000 ] && echo $(3) || echo $(4))