[Dune] clang compilation error

[Edscott Wilson]

Hi Bernd,

I figured it out. It seems that clang-6.0.1 defaults to c++14, but
std::bool_constant is c++17.  I solved it by setting
CXXFLAGS="-std=c++17 -stdlib=libc++"

I suppose "set_property(TARGET tgt PROPERTY CXX_STANDARD 17)" in
CMakeLists.txt would also work for cmake >= 3.82, but I have not tested
that.

best regards,

Edscott

El mar., 15 de ene. de 2019 a la(s) 14:29, Flemisch, Bernd (
bernd.flemisch at iws.uni-stuttgart.de) escribió:

> Hi Edscott,
>
> can you post the complete output of
> make VERBOSE=1 ...
> where ... is the target that you try to compile and that triggers the
> error?
>
> Kind regards
> Bernd
>
>
>
> On Tue, Jan 15, 2019 at 8:23 PM +0100, "Ed Scott Wilson Garcia" <
> edscott at imp.mx> wrote:
>
> Hello,
>>
>>    I've currently compiled the release versions of dune-2.6 and dumux-3.0 using clang 6.0.1 on a FreeBSD-12 host. In order to do this, I've set CMAKE_CXX_COMPILER=clang++, CMAKE_CXX_FLAGS=-stdlib=libc++,  CMAKE_EXE_LINKER_FLAGS='-lpthread -lstdthreads -lc++' .
>>
>>   But when I try to compile an example program from the dumux templates,  I get
>> error: no member named 'bool_constant' in namespace 'std'
>>   on the instruction (dune/common/std/type_traits.hh:102)
>> using std::bool_constant
>>
>>  I'm using the same --opts file used to compile dune, but I must be missing something.
>>
>>  I'm going to keep on looking for an answer, but I would appreciate it if someone on this list has any clue.
>>
>> regards,
>>
>> Edscott
>>
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-- 
------------------------------------------------------------------------------------
Dr. Edscott Wilson Garcia
Reservoir Engineering
Mexican Petroleum Institute
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