[cmake-developers] Update on toolset Clang with Microsoft CodeGen (v140_clang_c2) debug is broken

2017-08-21 Thread Forumer 4umer

Hi,

I posted on 2016/05/02 about the fact that when generating Visual 
projects for clang_c2 debug was broken.

The answer was:

"Basically we need to have a different flag table for each possible
toolset.  Also it looks like additional special handling may be
needed for PDBs and perhaps other limitations of the Clang/C2
toolchain."

I just wanted to know if you had any progress about that ?
I suppose that only a few people in the world are using it or need to 
debug but in my case I am wasting  too much time with this.


Thanks
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Re: [cmake-developers] toolset Clang with Microsoft CodeGen (v140_clang_c2) debug is broken

2016-08-12 Thread Forumer 4umer
And if you need more information please look at the thread entitled 
"toolset Clang 3.7 with Microsoft CodeGen (v140_clang_3_7) debug is 
broken"

a few months ago.
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Re: [cmake-developers] toolset Clang 3.7 with Microsoft CodeGen (v140_clang_3_7) debug is broken

2016-08-12 Thread Forumer 4umer

Le 2016-05-02 20:48, foru...@.com a écrit :

Le 2016-05-02 20:41, Brad King a écrit :

On 05/02/2016 02:17 PM, foru...@x.com wrote:
Don't know if it's the best place to report it but I am testing 
nightly

builds(3.5.20160429) to generate some projects
for Visual Studio 2015 and the clang toolset now provided by 
Microsoft.


Yes, this is the right place to report it, especially since this is
recent development.  For reference, support for this toolset was added
in a topic merged here:

  Merge topic 'vs-clang-cl'
  https://cmake.org/gitweb?p=cmake.git;a=commit;h=612a8b3b

based on discussion in this thread:

  [PATCH SET] Support of Clang/C2 compiler.
  
http://thread.gmane.org/gmane.comp.programming.tools.cmake.devel/15902



I have found some changes that seems to be necessary to be able to
debug, here are the changes I have found:

1) DebugInformationFormat should be set FullDebug, AdditionalOptions
MUST BE removed and optimizations must be disabled


... REMOVE AdditionalOptions ...
FullDebug
...
Disabled
false



2)GenerateDebugInformation must be set to true and 
ProgramDataBaseFile

must be empty because clang doesn't use pdb for now

...
   true
...
   
   




Mariusz, please take a look at this.

See also this hack:

  VS: Fix VS 2015 .vcxproj debug setting for older toolsets
  https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=dc422d27

Basically we need to have a different flag table for each possible
toolset.  Also it looks like additional special handling may be
needed for PDBs and perhaps other limitations of the Clang/C2
toolchain.

Thanks,
-Brad


Just a small update about what I wrote regarding AdditionalOptions, I
found that it's not necessary to remove the whole line but only the
-gline-tables-only parameter.



Hi,

I have tested cmake 3.6.1 with the last release of the clang platform by 
Microsoft (v140_clang_c2)
and nothing has changed. By default cmake generates wrong projects with 
this toolset.

So could we fix it step by step:

In the next release of cmake could you please remove the 
-gline-tables-only (and maybe all the additional arguments you provide 
because Microsoft don't add them

when using Visual to generate projects)

Then if you have time please Disable Optimizations in Debug

and finally please set DebugInformationFormat for debug configurations.

For now I have to manually fix all my projects everytime I regenerate 
them and it's not very funny.


Thanks








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