[CMake] Windows Ninja cmcldeps.exe too verbose

[Nils Gladitz]

I was just looking at that as well and another thing I noticed is that 
cl.exe completes paths for local "" includes while icl.exe does not.

icl ..\foo.cpp [...] with #include "foo/bar.hpp" may for example lead to 
"..\foo/bar.hpp" (relative path and mixed separators).
For the same case cl gives an absolute normalized path.

Nils

On 8/26/2012 22:27, Zaheer Chothia wrote:
> I took a look at 'CMakeClDeps.cmake', where this string is detected, 
> and ran the
> example with both compilers:
>
>     $ cl /nologo /showIncludes 
> C:/temp/cmcldeps_ShowIncludes/build/CMakeFiles/ShowIncludes/main.c
>     main.c
>     Note: including file: 
> c:\temp\cmcldeps_showincludes\build\cmakefiles\showincludes\foo.h
>
>     $ icl /nologo /showIncludes 
> C:/temp/cmcldeps_ShowIncludes/build/CMakeFiles/ShowIncludes/main.c
>     main.c
>     Note: including file: 
> C:/temp/cmcldeps_ShowIncludes/build/CMakeFiles/ShowIncludes/foo.h
>
> Note how the Intel compiler does not normalize and lower-case the 
> include path.
> Consequently the path replacement fails and so 
> CMakeFiles\CMakeCCompiler.cmake
> looks like this:
>
>     set(CMAKE_CL_SHOWINCLUDE_PREFIX "Note: including file: 
> C:/temp/cmcldeps_ShowIncludes/build/CMakeFiles/ShowIncludes/foo.h")
>
> /--Zaheer/
>
> On Sun, Aug 26, 2012 at 7:45 PM, Peter Kümmel <syntheticpp at gmx.net 
> <mailto:syntheticpp at gmx.net>> wrote:
>
>     On 23.08.2012 08:53, Nils Gladitz wrote:
>
>         I was using the Intel provided build environment (sets up
>         environment
>         variables and runs cmd.exe) with CC and CXX set to icl which
>         apparently
>         is the cause of the extra verbosity.
>
>         When I use the same environment without CC and CXX set (which
>         in this
>         case defaults them to cl provided by visual studio 2005)
>         ninja/cmcldeps
>         keeps quiet.
>
>
>     "Note: including file:" is generated by the compiler because of
>     /ShowIncludes.
>
>     When cl is used we detect this localized string and suppress the
>     output.
>     But it looks like this detection doesn't work for icl.
>
>     Could you have a look at "rule CXX_COMPILER" in rules.build and try to
>     figure out why it doesn't work for icl?
>
>     It should look like this:
>
>     rule CXX_COMPILER
>       depfile = $DEP_FILE
>       command = "C:/Program Files (x86)/CMake 2.8/bin/cmcldeps.exe"
>     CXX $in "$DEP_FILE" $out "Note: including file:"
>
>
>     Peter
>
>
>         Nils
>
>         On 08/23/2012 07:47 AM, Bill Hoffman wrote:
>
>             On 8/22/2012 5:34 AM, Nils Gladitz wrote:
>
>                 I'm trying the Ninja generator on windows with CMake
>                 2.8.9.
>
>                 When starting a build with "ninja" my console is
>                 flooded with messages
>                 of the form:
>                 "Note: including file: [...]" which I am guessing are
>                 generated by
>                 cmcldeps(?).
>
>                 It feels like all that output is slowing down the
>                 build considerably
>                 since the windows console is relatively slow.
>                 Of course it also makes actually relevant output
>                 difficult to spot.
>
>                 Is there some way to turn the messages off?
>
>             Strange, I have not seen this at all.  What shell are you
>             using?
>
>             -Bill
>
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