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-rw-r--r--build-aux/Makefile.once.head/10-write-ifchanged.mk1
1 files changed, 1 insertions, 0 deletions
diff --git a/build-aux/Makefile.once.head/10-write-ifchanged.mk b/build-aux/Makefile.once.head/10-write-ifchanged.mk
index 5abb3ce..649aab9 100644
--- a/build-aux/Makefile.once.head/10-write-ifchanged.mk
+++ b/build-aux/Makefile.once.head/10-write-ifchanged.mk
@@ -18,5 +18,6 @@ define mod.write-ifchanged.doc
# ... > $@
# ... | $(WRITE_ATOMIC) $@
endef
+mod.write-ifchanged.doc := $(value mod.write-ifchanged.doc)
WRITE_IFCHANGED ?= $(topsrcdir)/build-aux/write-ifchanged