Jan Beulich
2007-Mar-02 10:05 UTC
[Xen-devel] [PATCH] .S->.o generation should depend on asm-offsets.h
While object files generated from C sources should generally not depend
on asm-offsets.h, those generated from assembly sources should.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Index: 2007-02-27/xen/Rules.mk
==================================================================---
2007-02-27.orig/xen/Rules.mk 2007-02-28 12:08:24.000000000 +0100
+++ 2007-02-27/xen/Rules.mk 2007-02-21 11:10:08.000000000 +0100
@@ -41,8 +41,8 @@ HDRS += $(wildcard $(BASEDIR)/include/as
include $(BASEDIR)/arch/$(TARGET_ARCH)/Rules.mk
# Do not depend on auto-generated header files.
-HDRS := $(subst $(BASEDIR)/include/asm-$(TARGET_ARCH)/asm-offsets.h,,$(HDRS))
-HDRS := $(subst $(BASEDIR)/include/xen/compile.h,,$(HDRS))
+AHDRS := $(filter-out %/include/xen/compile.h,$(HDRS))
+HDRS := $(filter-out %/asm-offsets.h,$(AHDRS))
# Note that link order matters!
ALL_OBJS-y += $(BASEDIR)/common/built_in.o
@@ -110,12 +110,12 @@ _clean_%/: FORCE
%.o: %.c $(HDRS) Makefile
$(CC) $(CFLAGS) -c $< -o $@
-%.o: %.S $(HDRS) Makefile
+%.o: %.S $(AHDRS) Makefile
$(CC) $(AFLAGS) -c $< -o $@
%.i: %.c $(HDRS) Makefile
$(CPP) $(CFLAGS) $< -o $@
# -std=gnu{89,99} gets confused by # as an end-of-line comment marker
-%.s: %.S $(HDRS) Makefile
+%.s: %.S $(AHDRS) Makefile
$(CPP) $(AFLAGS) $< -o $@
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