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-rw-r--r--odb/tracer/makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/odb/tracer/makefile b/odb/tracer/makefile
index 335e681..2406e72 100644
--- a/odb/tracer/makefile
+++ b/odb/tracer/makefile
@@ -37,7 +37,7 @@ $(odb_tracer.l.cpp-options): $(odb.l.cpp-options)
$(cxx_obj) $(cxx_od): $(odb_tracer.l.cpp-options) $(out_base)/details/config.h
-$(out_base)/details/config.h:
+$(out_base)/details/config.h: | $(out_base)/details/.
@echo '/* file : odb/tracer/details/config.h' >$@
@echo ' * author : automatically generated' >>$@
@echo ' */' >>$@