Fix compatibility with make 4

diff --git a/auto_debuild.py b/auto_debuild.py
index 524603fab73d64c2832326fb8bb0f2cb82cba500..0d2f65ebc6b1530bd9c03a7b7cf5b2cb6f32a400 100755 (executable)
--- a/auto_debuild.py
+++ b/auto_debuild.py
@@ -105,7 +105,7 @@ class RulesFile:
                print(file=f)
                print(".PHONY: build", file=f) # there may be a directory called "build"
                print(file=f)
-               print("build %:", file=f) # need to mention "build" here again explicitly so PHONY takes effect
+               print("%:", file=f)
                # write proper dh call
                dh = self.dh
                if self.dhWith: