cc1: warning: ../../include/w32api: No such file or directory [enabled by default]

Mon Jul 29 12:44:00 GMT 2013

Achim Gratz <Stromeko <at> NexGo.DE> writes:
> The above warning appears when -Wmissing-include-dirs is in effect (and
> aborts compilation if -Werror is also given). The missing include path
> seems to be produced by the following compiler spec:
>> %(cpp_cpu) [...] %{!nostdinc:%{!mno-win32:-idirafter ../include/w32api%s
> -idirafter ../../include/w32api%s}}
>> which gets expanded into
>> -idirafter /usr/lib/gcc/i686-pc-cygwin/4.7.3/../../../../include/w32api
> -idirafter ../../include/w32api

If I crate a link /usr/include -> /include then the warning / error is not
produced. Since I don't think /include is supposed to exist on Cygwin, it
seems the compiler spec is wrong?
Regards,
Achim.
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