With this setup clang cannot use c++1z yet.
Fixed with clang 5.0.
In file included from /data/sources/qt/qt5/qtbase/src/corelib/codecs/qtextcodec.cpp:53:
In file included from ../../../include/QtCore/5.9.1/QtCore/private/qcoreglobaldata_p.h:1:
In file included from ../../../include/QtCore/5.9.1/QtCore/private/../../../../../../../../../sources/qt/qt5/qtbase/src/corelib/kernel/qcoreglobaldata_p.h:55:
In file included from ../../../include/QtCore/qmap.h:1:
In file included from ../../../include/QtCore/../../../../../../sources/qt/qt5/qtbase/src/corelib/tools/qmap.h:52:
In file included from /usr/bin/../lib64/gcc/x86_64-pc-linux-gnu/7.1.1/../../../../include/c++/7.1.1/map:60:
In file included from /usr/bin/../lib64/gcc/x86_64-pc-linux-gnu/7.1.1/../../../../include/c++/7.1.1/bits/stl_tree.h:72:
In file included from /usr/bin/../lib64/gcc/x86_64-pc-linux-gnu/7.1.1/../../../../include/c++/7.1.1/bits/node_handle.h:39:
/usr/bin/../lib64/gcc/x86_64-pc-linux-gnu/7.1.1/../../../../include/c++/7.1.1/optional:1032:27: error: use of class template 'optional' requires template arguments
Change-Id: Ib4cd8a9f5791a6e6cae4e6d61dfec3ad50dd63ab
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
acaaa84d7e