plusplus: Fix dependency file creation (multiple target patterns) #1073
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Without the fix, OpenWatcom creates broken dependency files.
(everything is in one line)
GNU Make can build the c++ autotools project once (target files are missing),
but any following make to update the targets fails with a message similar to:
*** multiple target patterns. Stop
An example autotools project is attached:
tst_foo.tar.gz
--
Regards Detlef