[Trilinos-Users] [EXTERNAL] Problem configuring C++ 11 on Visual Studio 12 (2013) and some mingw fixes in a patch

[Phipps, Eric T]

Kokkos doesn't build with any version of Visual Studio (and several other packages in Trilinos as well).  That compiler does not support SFINAE.  As a work-around, people have successfully used the Intel compilers within Visual Studio.

-Eric

From: JR Cary <cary at colorado.edu<mailto:cary at colorado.edu>>
Date: Sunday, May 10, 2015 at 8:50 AM
To: "trilinos-users at trilinos.org<mailto:trilinos-users at trilinos.org>" <trilinos-users at trilinos.org<mailto:trilinos-users at trilinos.org>>
Cc: "Bartlett, Roscoe A." <bartlettra at ornl.gov<mailto:bartlettra at ornl.gov>>
Subject: [EXTERNAL] [Trilinos-Users] Problem configuring C++ 11 on Visual Studio 12 (2013) and some mingw fixes in a patch

Thanks.  That helps.

Now I am up to:

C:\winsame\cary\vorpalall-vs12\builds\trilinos-12.0.1\packages\kokkos\core\src\impl\Kokkos_AllocationTracker.cpp(126) : error C3861: 'atomic_fetch_sub': identifier not found

Is Kokkos unix-centric?  Did I invoke its build somehow incorrectly?

BTW, attached is a patch we used to get trilinos to build
with mingw at one point.  I have not tried a mingw build in a while,
however.

...John


On 5/9/15 6:25 PM, Bartlett, Roscoe A. wrote:
Try adding

  -DTrilinos_CXX11_FLAGS=" "

(note the single space).

We will add " " as one of the set of flags to try.

-Ross


________________________________
From: Trilinos-Users <trilinos-users-bounces at trilinos.org><mailto:trilinos-users-bounces at trilinos.org> on behalf of JR Cary <cary at colorado.edu><mailto:cary at colorado.edu>
Sent: Saturday, May 09, 2015 8:56:03 AM
To: trilinos-users at trilinos.org<mailto:trilinos-users at trilinos.org>
Subject: [Trilinos-Users] Problem configuring C++ 11 on Visual Studio 12 (2013)

cmake fails at

CMake Error at cmake/tribits/core/package_arch/TribitsCXX11Support.cmake:148 (MESSAGE):^M
  Error, a set of standard compiler flags cannot be found such that this C++^M
  compiler is able to compile basic C++11 features! Please select a C++^M
  compiler (and compatible compilers for other languages) that supports^M
  C++11.  Or, if this C++ compiler does support C++11 but a special set of^M
  compiler options is needed, then set these flags using^M
  -DTrilinos_CXX11_FLAGS="<c++11-flags>".  Or, if C++11 support in this^M
  project is not needed or desired, then set -DTrilinos_ENABLE_CXX11=OFF.^M
Call Stack (most recent call first):^

But afaik, VS-12 needs no special flags.  So the logic in
TribitsCXX11Support.cmake of

      IF ("${${PROJECT_NAME}_CXX11_FLAGS}" STREQUAL "")
      MESSAGE(FATAL_ERROR

will fail, as that variable should be empty for VS12.

Thoughts?

Thanks....John


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