build: remove more absolute paths from dependency tracking files

d6b12add90da ("DEPS handling: Remove absolute paths from references to
cwd") took care of massaging the dependencies of the output file, but
for our passing of -MP to the compiler to take effect the same needs to
be done on the "phony" rules that the compiler emits.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Ian Jackson <iwj@xenproject.org>
Release-Acked-by: Ian Jackson <iwj@xenproject.org>

diff --git a/Config.mk b/Config.mk
index 259e68863d92f12f13c87b53f2af2807d47fd80c..eb28e498be78abcb50032d127513f21e0b4a64a2 100644 (file)
--- a/Config.mk
+++ b/Config.mk
@@ -63,7 +63,7 @@ DEPS_INCLUDE = $(addsuffix .d2, $(basename $(wildcard $(DEPS))))
 DEPS_RM = $(DEPS) $(DEPS_INCLUDE)
 
 %.d2: %.d
-       sed "s! $$PWD/! !" $^ >$@.tmp && mv -f $@.tmp $@
+       sed "s!\(^\| \)$$PWD/! !" $^ >$@.tmp && mv -f $@.tmp $@
 
 include $(XEN_ROOT)/config/$(XEN_OS).mk
 include $(XEN_ROOT)/config/$(XEN_TARGET_ARCH).mk