Avoid mangling configure.in on incomplete changelog

diff --git a/debian/rules b/debian/rules
index 6e744b0a2495e418f135fa347405c0e2d10d3b32..a4d826de5850d70d5827b5e8a9c37f4fefe7104e 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -58,9 +58,11 @@ endif
 
 # Rebuild configure.in to have the correct version from the change log
 ifneq ($(APT_DEBVER),$(APT_CONFVER))
+ifneq ($(APT_DEBVER),)
 .PHONY: configure.in
 configure.in:
        sed -e 's/$(APT_CONFVER)/$(APT_DEBVER)/' $@ > $@.$$$$ && mv $@.$$$$ $@
+fi
 else
 configure.in:
 endif