[CMake] Ninja generator fail for QNX on Windows

[Bill Hoffman]

On 9/23/2014 9:05 AM, Cristian Adam wrote:
> On Mon, Sep 22, 2014 at 6:32 PM, Bill Hoffman <bill.hoffman at kitware.com
> <mailto:bill.hoffman at kitware.com>> wrote:
>
>
>     Maybe if you looked at the very first older than in your output
>     instead of the dirty ones it might tell you what ninja thinks is out
>     of date. Could be some sort of path issue that has something to do
>     with the way the paths are constructed.  Again, without seeing the
>     details I can only guess.
>
>     Do makefiles work for you?  What if you try the "Unix Makefiles"
>     generator on the same machine does it have the same problem?
>
>     -Bill
>
>
> Unix Makefiles work, but on the make provided by QNX doesn't support the
> parallel -j flag.
Seems that gmake supports that:
http://www.qnx.com/developers/docs/6.4.1/neutrino/prog/make_convent.html#Parallel
>
> Found the problem though.
>
> QCC compiler generates for this project dependency files which look like:
>
> c:\projects\my_proj\include\/a.h \
> c:\projects\my_proj\src\/a.cpp \
> c:\projects\my_proj\other\..\/include/b.h \
> c:\projects\my_proj\other\..\/src/b.cpp \
>
> The "\/" combination does not agree with ninja.
>
That would do it.   How are the depends being created?  Is it ninja or 
CMake that is creating them on QNX?

> This looks like a ninja bug, I'll report it there.
>
Might be.

-Bill