Hi Brad,
Is the below issue solved in latest release 3.11.0 ?
Could you please confirm?



Grüße
Lenin

-----Original Message-----
From: Jayakumar, Lenindarbi
Sent: Freitag, 19. Januar 2018 15:26
To: 'Brad King' <brad.k...@kitware.com>; cmake-developers@cmake.org
Subject: RE: [cmake-developers] CMAKE :: mingw make files with response file 
for includes

Thanks for the reply.

It is not compiler and linker.
I have to use response file for both includes and objects.
Tasking compiler expects -f as Response file link flag for both. But cmake 
produces command line for objects using -f and includes using @.

I prefer to get it fixed in generator. Unfortunately I don't have enough time 
and experience.
Perhaps an cmake expert could confirm and fix it.

Possible cause:
The @ symbol is hardcoded in "cmMakefileTargetGenerator::AddIncludeFlags" 
function in file ../Source/cmMakefileTargetGenerator.cxx

  if (useResponseFile) {
    std::string name = "includes_";
    name += lang;
    name += ".rsp";
    std::string arg = "@" +
      this->CreateResponseFile(name.c_str(), includeFlags,
                               this->FlagFileDepends[lang]);
    this->LocalGenerator->AppendFlags(flags, arg);
  }

However, the implementation should be like in 
"cmMakefileTargetGenerator::CreateObjectLists" function.

    // Lookup the response file reference flag.
    std::string responseFlagVar = "CMAKE_";
    responseFlagVar +=
      this->GeneratorTarget->GetLinkerLanguage(this->ConfigName);
    responseFlagVar += "_RESPONSE_FILE_LINK_FLAG";
    const char* responseFlag = this->Makefile->GetDefinition(responseFlagVar);
    if (!responseFlag) {
      responseFlag = "@";
    }

Thanks,
Lenin

-----Original Message-----
From: Brad King [mailto:brad.k...@kitware.com]
Sent: Freitag, 19. Januar 2018 15:01
To: Jayakumar, Lenindarbi 
<lenindarbi.jayaku...@magna.com<mailto:lenindarbi.jayaku...@magna.com>>; 
cmake-developers@cmake.org<mailto:cmake-developers@cmake.org>
Subject: Re: [cmake-developers] CMAKE :: mingw make files with response file 
for includes

On 01/17/2018 03:52 AM, Jayakumar, Lenindarbi wrote:
> Response file link flag "CMAKE_C_RESPONSE_FILE_LINK_FLAG" is not
> customizable for include paths.
> The @ symbol is hardcoded in "cmMakefileTargetGenerator::AddIncludeFlags"

In case the compiler and link driver want different response file flags, one 
could add a separate "CMAKE_<LANG>_RESPONSE_FILE_COMPILE_FLAG" variable to use 
for include flags.  See

  https://gitlab.kitware.com/cmake/cmake/blob/master/CONTRIBUTING.rst

for contribution instructions if you'd like to work on it.

Thanks,
-Brad

--- Begin Message ---
Hello,



I have encountered a problem with response file usage for includes.

My project is using tasking compiler.



Issue:

Response file link flag "CMAKE_C_RESPONSE_FILE_LINK_FLAG" is not customizable 
for include paths.

Cmake generated the *.rsp file always using @ but this is not accepted by 
tasking compiler. Tasking compiler expects -f instead of @.



...

C_INCLUDES = @CMakeFiles/dummyTarget/includes_C.rsp



This issue is only with includes response file. For objects, 
CMAKE_C_RESPONSE_FILE_LINK_FLAG works.



Project setup:

set(CMAKE_C_RESPONSE_FILE_LINK_FLAG "-f ")

set(CMAKE_C_USE_RESPONSE_FILE_FOR_OBJECTS 1)

set(CMAKE_C_USE_RESPONSE_FILE_FOR_INCLUDES 1)



Possible cause:



The @ symbol is hardcoded in "cmMakefileTargetGenerator::AddIncludeFlags" 
function in file 
https://gitlab.kitware.com/cmake/cmake/blob/master/Source/cmMakefileTargetGenerator.cxx.



  if (useResponseFile) {

    std::string name = "includes_";

    name += lang;

    name += ".rsp";

    std::string arg = "@" +

      this->CreateResponseFile(name.c_str(), includeFlags,

                               this->FlagFileDepends[lang]);

    this->LocalGenerator->AppendFlags(flags, arg);

  }



However, the implementation should be like in 
"cmMakefileTargetGenerator::CreateObjectLists" function.



    // Lookup the response file reference flag.

    std::string responseFlagVar = "CMAKE_";

    responseFlagVar +=

      this->GeneratorTarget->GetLinkerLanguage(this->ConfigName);

    responseFlagVar += "_RESPONSE_FILE_LINK_FLAG";

    const char* responseFlag = this->Makefile->GetDefinition(responseFlagVar);

    if (!responseFlag) {

      responseFlag = "@";

    }



Regards,



Lenindarbi Jayakumar

Software Engineer



Magna Electronics Europe GmbH & Co. OHG

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