On 20/01/21 09:51 -0000, Martin Gansser wrote:
Hi,
when compiling cxxtools-3.0 on rawhide it fails with the following error messages [2]:
settingswriter.cpp:42:26: required from here
/usr/include/c++/11/string_view:98:21: error: static assertion failed
98 | static_assert(is_trivial_v<_CharT> && is_standard_layout_v<_CharT>);
| ^~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/string_view:98:21: note: 'std::is_trivial_v<cxxtools::Char>' evaluates to false
make[2]: *** [Makefile:920: settingswriter.lo] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory '/builddir/build/BUILD/cxxtools-3.0/src'
make[1]: *** [Makefile:600: all] Error 2
make[1]: Leaving directory '/builddir/build/BUILD/cxxtools-3.0/src'
make: *** [Makefile:539: all-recursive] Error 1
error: Bad exit status from /var/tmp/rpm-tmp.TZ5CHP (%build)
RPM build errors:
[1] https://martinkg.fedorapeople.org/ErrorReports/cxxtools-3.0-1.fc33.src.rpm
[2] https://koji.fedoraproject.org/koji/taskinfo?taskID=60083999
How can i solve it ?
The code is invalid. std::string and std::string_view are for
manipulating sequences of types which are trivial and standard layout.
The cxxtools::Char type is non-trivial, probably because it has a
user-provided copy constructor or destructor. You can't use a
std::string_view of such types.
The code needs to be fixed.
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