llvm dev - Sep 2021 - Printing out the file being currently compiled (feature request)

Hi John,

clang-cl has a /showFilenames option which will make it print the
filename. Does that work for you?

Thanks,
Hans

On Tue, Sep 28, 2021 at 2:07 PM John Emmas via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
>
> Please let me know if I need to move this to cfe-users or cfe-dev -
it's
> a simple request when running Clang inside Visual Studio. Here's the
> kind of thing I typically see during a Clang build:-
>
> Build started...
> 1>------ Build started: Project: zita-resampler, Configuration: Release
> x64 ------
> 1>In file included from <built-in>:1:
> 1>In file included from
> F:\+GTK-SOURCES\gnu-windows\include\ardourext\sys\targetsxs.h:100:
> 1>F:\+GTK-SOURCES\gnu-windows\include\gtkmmconfig.h(21,37): warning :
> '/*' within block comment [-Wcomment]
> 1>In file included from <built-in>:1:
> 1>In file included from
> F:\+GTK-SOURCES\gnu-windows\include\ardourext\sys\targetsxs.h:100:
> 1>F:\+GTK-SOURCES\gnu-windows\include\gtkmmconfig.h(21,37): warning :
> '/*' within block comment [-Wcomment]
> 1>../zita-resampler/vresampler.h(79,23): warning : private field
> '_dummy' is not used [-Wunused-private-field]
>
> I can see various warnings but what I can't tell is which file was
being
> compiled at the time.  Microsoft's own output looks more like this:-
>
> Rebuild started...
> 1>------ Rebuild All started: Project: zita-resampler, Configuration:
> Release x64 ------
> 1>cresampler.cc
> 1>F:\+GTK-SOURCES\Ardour\libs\zita-resampler\cresampler.cc(135,10):
> warning C4244: '=': conversion from 'double' to
'float', possible loss
> of data
> 1>resampler-table.cc
> 1>resampler.cc
> 1>vmresampler.cc
> 1>vresampler.cc
>
> Microsoft's warnings are different but the important thing is that I
can
> see which file was getting compiled when the warning occurred. Is there
> any way that Clang could be adapted to print out which file it's
> compiling?  When building a big project it's also useful for having a
> rough estimate of how many sources are left to be compiled.
>
> Thanks, John
>
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On 28/09/2021 13:56, Hans Wennborg wrote:
> clang-cl has a /showFilenames option which will make it print the
> filename. Does that work for you?
>
Ah, that seems to work Hans - many thanks!

John