https://bugs.kde.org/show_bug.cgi?id=407015
Bug ID: 407015
Summary: wacomtablet FTBFS with gcc9+
Product: wacomtablet
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: jazzv...@gmail.com
Reporter: rdie...@gmail.com
Target Milestone: ---
Testing on fedora 30 with gcc-9.0.1, wacomtablet builds fail with error:
[ 11%] Building CXX object
src/common/CMakeFiles/wacom_common.dir/libwacomwrapper.cpp.o
In file included from /usr/include/c++/9/memory:80,
from
/var/tmp/kdecache-rdieter/BUILDROOT/wacomtablet-3.1.1/src/common/libwacomwrapper.cpp:24:
/usr/include/c++/9/bits/unique_ptr.h: In instantiation of ‘std::unique_ptr<_Tp,
_Dp>::~unique_ptr() [with _Tp = _WacomError; _Dp =
Wacom::libWacomWrapper::lookupTabletInfo(int, int,
Wacom::TabletInformation&)::<lambda(WacomError*&)>]’:
/var/tmp/kdecache-rdieter/BUILDROOT/wacomtablet-3.1.1/src/common/libwacomwrapper.cpp:65:53:
required from here
/usr/include/c++/9/bits/unique_ptr.h:285:56: error: static assertion failed:
unique_ptr's deleter must be invocable with a pointer
285 | static_assert(__is_invocable<deleter_type&, pointer>::value,
| ^~~~~
/usr/include/c++/9/bits/unique_ptr.h:289:17: error: no match for call to
‘(std::unique_ptr<_WacomError, Wacom::libWacomWrapper::lookupTabletInfo(int,
int, Wacom::TabletInformation&)::<lambda(WacomError*&)> >::deleter_type {aka
Wacom::libWacomWrapper::lookupTabletInfo(int, int,
Wacom::TabletInformation&)::<lambda(WacomError*&)>})
(std::remove_reference<_WacomError*&>::type)’
289 | get_deleter()(std::move(__ptr));
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/unique_ptr.h:289:17: note: candidate: ‘void
(*)(WacomError*&)’ {aka ‘void (*)(_WacomError*&)’} <conversion>
/usr/include/c++/9/bits/unique_ptr.h:289:17: note: conversion of argument 2
would be ill-formed:
/usr/include/c++/9/bits/unique_ptr.h:289:17: error: cannot bind non-const
lvalue reference of type ‘WacomError*&’ {aka ‘_WacomError*&’} to an rvalue of
type ‘std::remove_reference<_WacomError*&>::type’ {aka ‘_WacomError*’}
/var/tmp/kdecache-rdieter/BUILDROOT/wacomtablet-3.1.1/src/common/libwacomwrapper.cpp:63:25:
note: candidate: ‘Wacom::libWacomWrapper::lookupTabletInfo(int, int,
Wacom::TabletInformation&)::<lambda(WacomError*&)>’ <near match>
63 | auto errorDeleter = [](WacomError *&e){libwacom_error_free(&e);};
| ^
/var/tmp/kdecache-rdieter/BUILDROOT/wacomtablet-3.1.1/src/common/libwacomwrapper.cpp:63:25:
note: conversion of argument 1 would be ill-formed:
In file included from /usr/include/c++/9/memory:80,
from
/var/tmp/kdecache-rdieter/BUILDROOT/wacomtablet-3.1.1/src/common/libwacomwrapper.cpp:24:
/usr/include/c++/9/bits/unique_ptr.h:289:17: error: cannot bind non-const
lvalue reference of type ‘WacomError*&’ {aka ‘_WacomError*&’} to an rvalue of
type ‘std::remove_reference<_WacomError*&>::type’ {aka ‘_WacomError*’}
289 | get_deleter()(std::move(__ptr));
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/unique_ptr.h:153:18: warning:
‘std::__uniq_ptr_impl<_Tp, _Dp>::pointer& std::__uniq_ptr_impl<_Tp,
_Dp>::_M_ptr() [with _Tp = _WacomError; _Dp =
Wacom::libWacomWrapper::lookupTabletInfo(int, int,
Wacom::TabletInformation&)::<lambda(WacomError*&)>]’ used but never defined
153 | pointer& _M_ptr() { return std::get<0>(_M_t); }
| ^~~~~~
make[2]: *** [src/common/CMakeFiles/wacom_common.dir/build.make:194:
src/common/CMakeFiles/wacom_common.dir/libwacomwrapper.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:631:
src/common/CMakeFiles/wacom_common.dir/all] Error 2
make: *** [Makefile:133: all] Error 2
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