[cmake-developers] Ninja generator on Windows

[Peter Kümmel]

On 31.01.2012 04:55, Bill Hoffman wrote:
>>
>> - Paths like 'c:\' - Ninja now supports colon escaping "c:" ->  "c$:"
>> Is there a single place where the escaping could be done?
>
> Can we use Posix paths in the windows ninja generator instead of windows
> paths?   I am guessing ninja would be happier with them.  So, c:/, as
> for the :, there should be a way to escape that depends on the
> generator.  I know the makefile ones have a place.
>

We can't use Posix paths. Ninja assumes ready-to-use command lines,
on Windows this means backslashes in the generated ninja file.
'\' is not special character, only '$' is used for escaping.

Therefore the question, if there is a single place where
all the slashes could be replaced by backslashes before we write
them down to the ninja file.

Peter


>>
>> - Backslashes: could they also be replaced at a single place?
>>
> Would you not need to do that if you did / instead of \.
>> - Finding the msvc compiler fails because TARGET_IMPLIB is empty
>> and to the linker /implib: is passed without an argument.
>> Why is TARGET_IMPLIB empty?
>
> Sounds like it is missing from the platform file, or the right platform
> file is not getting loaded.
>>
>> - Some targets have the .exe extension, but the rule misses the .exe.
>>
> Sounds like a bug in the ninja generator.
>
>> - When&&  is used for calling multiple command a 'cmd.exe /c' call is
>> necessary.
>>
>> - How it is possible to choose a compiler (msvc, mingw)?
>
> I think it would work like the make generators.  You set CC and CXX
> before running CMake, or specify them in cmake-gui.
>
> Glad you are working on this.
>
> Thanks!
>
> -Bill
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