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Subject[PATCH] radix tree test suite: fix mapshift build target
Date
The following commit

commit c6ce3e2fe3da ("radix tree test suite: Add config option for map
shift")

Introduced a phony makefile target called 'mapshift' that ends up
generating the file generated/map-shift.h. This phony target was then
added as a dependency of the top level 'targets' build target, which is
what is run when you go to tools/testing/radix-tree and just type 'make'.

Unfortunately, this phony target doesn't actually work as a dependency, so
you end up getting:

$ make
make: *** No rule to make target 'generated/map-shift.h', needed by 'main.o'. Stop.
make: *** Waiting for unfinished jobs....

Fix this by making the file generated/map-shift.h our real makefile target,
and add this a dependency of the top level build target.

Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
---
tools/testing/radix-tree/Makefile | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/tools/testing/radix-tree/Makefile b/tools/testing/radix-tree/Makefile
index fa7ee369b3c9..db66f8a0d4be 100644
--- a/tools/testing/radix-tree/Makefile
+++ b/tools/testing/radix-tree/Makefile
@@ -17,7 +17,7 @@ ifeq ($(BUILD), 32)
LDFLAGS += -m32
endif

-targets: mapshift $(TARGETS)
+targets: generated/map-shift.h $(TARGETS)

main: $(OFILES)

@@ -42,9 +42,7 @@ radix-tree.c: ../../../lib/radix-tree.c
idr.c: ../../../lib/idr.c
sed -e 's/^static //' -e 's/__always_inline //' -e 's/inline //' < $< > $@

-.PHONY: mapshift
-
-mapshift:
+generated/map-shift.h:
@if ! grep -qws $(SHIFT) generated/map-shift.h; then \
echo "#define RADIX_TREE_MAP_SHIFT $(SHIFT)" > \
generated/map-shift.h; \
--
2.14.3
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