The recorded file, unless overridden by -MQ (or -MT) is that specified
by -o, which doesn't produce correct dependencies and hence will cause
failure to re-build when included files change.
Fixes: 81ecb38b83b0 ("build: provide option to disambiguate symbol names")
Reported-by: Andrew Cooper <andrew.coop...@citrix.com>
Signed-off-by: Jan Beulich <jbeul...@suse.com>
--- a/xen/Rules.mk
+++ b/xen/Rules.mk
@@ -195,7 +195,7 @@ SRCPATH := $(patsubst $(BASEDIR)/%,%,$(C
%.o: %.c Makefile
ifeq ($(CONFIG_ENFORCE_UNIQUE_SYMBOLS),y)
- $(CC) $(CFLAGS) -c $< -o $(@D)/.$(@F).tmp
+ $(CC) $(CFLAGS) -c $< -o $(@D)/.$(@F).tmp -MQ $@
ifeq ($(clang),y)
$(OBJCOPY) --redefine-sym $<=$(SRCPATH)/$< $(@D)/.$(@F).tmp $@
else
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