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perf tools: Fix build breakage 

The patch ecafda6 introduced a problem where all object files would be
always rebuilt, fix it by using:

http://www.gnu.org/software/make/manual/html_node/Prerequisite-Types.html

Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Bernd Petrovitsch <bernd@sysprog.at>
Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Kusanagi Kouichi 2010-09-26 14:17:42 -03:00 committed by Arnaldo Carvalho de Melo
parent 03e22198d2
commit 39cfae64df
1 changed files with 1 additions and 1 deletions
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2
tools/perf/Makefile
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@ -1017,7 +1017,7 @@ builtin-revert.o wt-status.o: wt-status.h
# we compile into subdirectories. if the target directory is not the source directory, they might not exists. So
# we depend the various files onto their directories.
DIRECTORY_DEPS = $(LIB_OBJS) $(BUILTIN_OBJS) $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h
$(DIRECTORY_DEPS): $(sort $(dir $(DIRECTORY_DEPS)))
$(DIRECTORY_DEPS): | $(sort $(dir $(DIRECTORY_DEPS)))
# In the second step, we make a rule to actually create these directories
$(sort $(dir $(DIRECTORY_DEPS))):
$(QUIET_MKDIR)$(MKDIR) -p $@ 2>/dev/null