Error compiling a qt5 application

[Frank Leonhardt]

Can't fix this but I had grief with a qt5 not compiling (virtualbox 
IIRC), so switched to qt4 and everything was fine. QT not really my bag.

On 22/08/2017 00:17, Mario Lobo wrote:
> Hi there;
>
> I'm trying to compile a qt5 application.
>
> OS: reeBSD 11.1-STABLE #0 r321652: Sat Jul 29 10:49:43 BRT 2017
>
> clang -v
> clang version 4.0.1 (tags/RELEASE_401/final)
> Target: x86_64-unknown-freebsd11.1
> Thread model: posix
> InstalledDir: /usr/local/llvm40/bin
>
> When I compile, I get this:
>
> Compiling C++...
> In file included from ../../../../../contrib/gtqtc/gtqtc1.cpp:48:
> In file included from ../../../../../contrib/gtqtc/gtqtc.h:53:
> In file included from /usr/local/include/qt5/QtCore/QThread:1:
> In file included from /usr/local/include/qt5/QtCore/qthread.h:43:
> In file included from /usr/local/include/qt5/QtCore/qobject.h:46:
> In file included from /usr/local/include/qt5/QtCore/qobjectdefs.h:48:
> In file included from /usr/local/include/qt5/QtCore/qnamespace.h:43:
> In file included from /usr/local/include/qt5/QtCore/qglobal.h:83:
> /usr/local/include/qt5/QtCore/qcompilerdetection.h:563:6: error: Qt
> requires a C++11 compiler and yours does not seem to be that. #
> error Qt requires a C++11 compiler and yours does not seem to be that.
>
> I tried this in make.conf:
>
> CC=clang
> CXX=clang++
> CXXFLAGS+=-std=c++11
>
> and export CXXFLAGS=-std=c++11
>
> and nothing seems to work.
>
> It seems to me that my clang is new enough to support that standard.
>
> What am i missing here?
>
> Thanks,
>