the real problem is that make dist should not depend on BUILT_SOURCES
unfortunately we can't fix this as long as we use a old automake version
(DISTFILES includes generated files we would like to mark as noinst)
+- make clean / make distclean?! make clean geht beim zweiten mal nicht
+ now it works?! why?!
+ das ganze ist abhängig davon in welchem verzeichnis man ist?!
+ das problem ist:
+ BUILT_SOURCES -> generierte files -> codegen !
+ (make clean in toplevel src dir -> codegen does not exist)
+
+ => how to get rid off BUILT_SOURCES
+ or how to get rid off dependency off clean and dist on BUILT_SOURCES files ?
+ (the nodist problem)
+
+ getting rid off BUILT_SOURCES would not suffice
+ (explicit dependencies still would depend upon the files)
+ => the real problem is the missing nodist
+
+ => workaround for old automake version?
+ a workaround would require us not to use _SOURCES but still be able to add object files
+ to the libs/bins created
+ looking at the generated Makefile this perhaps could be done via _OBJECTS
+
+ nodist wurde mit automake 1.5 eingeführt (2001-08-23)
+
+ what doesn't work:
+ - make dist and make clean only work if you did a make all
+
+ hmm Makefile should not depend on BUILT_SOURCES
+ http://sources.redhat.com/ml/bug-automake/2000/msg00040.html
+
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