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Makefile.hw: avoid overly large 'make clean' rm command

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Avoid 'make clean' producing an 'rm' command which has a lot
of duplicate 'hw//*.o' arguments, by using $(sort $(dir ..))
rather than $(dir $(sort ..)) so Make's sort function will
remove the duplicates for us. We can also remove the double
'//' safely because $(dir ..) is guaranteed to return a string
ending in '/'.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Peter Maydell 2012-06-19 15:55:38 +01:00 committed by Stefan Hajnoczi
parent 4e1797f9a5
commit 30fd45adb2
1 changed files with 2 additions and 2 deletions
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4
Makefile.hw
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@ -19,8 +19,8 @@ all: $(hw-obj-y)
@true
clean:
rm -f $(addsuffix /*.o, $(dir $(sort $(hw-obj-y))))
rm -f $(addsuffix /*.d, $(dir $(sort $(hw-obj-y))))
rm -f $(addsuffix *.o, $(sort $(dir $(hw-obj-y))))
rm -f $(addsuffix *.d, $(sort $(dir $(hw-obj-y))))
# Include automatically generated dependency files
-include $(patsubst %.o, %.d, $(hw-obj-y))