Bug#1143675: marked as done (libsfml: FTBFS: /<>/examples/text/Text.cpp:684:164: error: no match for 'operator+' (operand types are 'const char8_t [99]' and 'const std::__cxx11::basic_string'))

Wed, 05 Aug 2026 06:35:40 -0700 

Your message dated Wed, 05 Aug 2026 13:34:13 +0000
with message-id <[email protected]>
and subject line Bug#1143675: fixed in libsfml 3.1.0+dfsg-4
has caused the Debian Bug report #1143675,
regarding libsfml: FTBFS: /<<PKGBUILDDIR>>/examples/text/Text.cpp:684:164: 
error: no match for 'operator+' (operand types are 'const char8_t [99]' and 
'const std::__cxx11::basic_string<char>')
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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misconfiguration somewhere. Please contact [email protected]
immediately.)


-- 
1143675: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1143675
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message --- 
Package: src:libsfml
Version: 3.1.0+dfsg-3
Severity: serious
Tags: ftbfs forky sid

Dear maintainer:

During a rebuild of all packages in unstable, this package failed to build.

Below you will find the last part of the build log (probably the most
relevant part, but not necessarily). If required, the full build log
is available here:

https://people.debian.org/~sanvila/build-logs/202608/

About the archive rebuild: The build was made on virtual machines from AWS,
using sbuild and a reduced chroot with only build-essential packages.

If you cannot reproduce the bug please contact me privately, as I
am willing to provide ssh access to a virtual machine where the bug is
fully reproducible.

If this is really a bug in one of the build-depends, please use
reassign and add an affects on src:libsfml, so that this is still
visible in the BTS web page for this package.

Thanks.

--------------------------------------------------------------------------------
[...]
 debian/rules clean
dh clean
   dh_clean
 debian/rules binary
dh binary
   dh_update_autotools_config
   dh_autoreconf
   debian/rules override_dh_auto_configure
make[1]: Entering directory '/<<PKGBUILDDIR>>'
dh_auto_configure -- \
        -DBUILD_SHARED_LIBS=ON \
        -DSFML_BUILD_DOC=ON \
        -DSFML_BUILD_EXAMPLES=ON \
        -DSFML_BUILD_TEST_SUITE=ON \
        -DSFML_CA_PATH=/etc/ssl/certs/ca-certificates.crt \

[... snipped ...]

          • required from ‘constexpr std::vector<_Tp, _Alloc>::reference 
std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {const char 
(&)[22], const char8_t (&)[106]}; _Tp = DemoText; _Alloc = 
std::allocator<DemoText>; reference = DemoText&]’
            /usr/include/c++/16/bits/vector.tcc:121:30:   
              121 |             _Alloc_traits::construct(this->_M_impl, 
this->_M_impl._M_finish,
                  |             
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
              122 |                                      
std::forward<_Args>(__args)...);
                  |                                      
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required from here
            /<<PKGBUILDDIR>>/examples/text/Text.cpp:670:27:   
              670 |     demoTexts.emplace_back("NotoSerif-Regular.ttf",         
  u8"Здравствуйте. Как поживаете? Надеюсь, у 
вас отличный день!");
                  |     
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required by the constraints of ‘template<class _Tp, class ... 
_Args>  requires !(is_unbounded_array_v<_Tp>) && requires{::new(void*(0)) _Tp;} 
constexpr _Tp* std::construct_at(_Tp*, _Args&& ...)’
            /usr/include/c++/16/bits/stl_construct.h:96:5:   
               96 |     construct_at(_Tp* __location, _Args&&... __args)
                  |     ^~~~~~~~~~~~
          • in requirements  [with _Tp = DemoText; _Args = {const char 
(&)[22], const char8_t (&)[106]}]
            /usr/include/c++/16/bits/stl_construct.h:94:10:   
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |          
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • the required expression ‘::new(void*(0)) _Tp’ is invalid
            /usr/include/c++/16/bits/stl_construct.h:94:21:
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |                     
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/alloc_traits.h: In instantiation of ‘static 
constexpr void std::allocator_traits<std::allocator<_Up> 
>::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = DemoText; _Args = 
{const char (&)[31], const char8_t (&)[49]}; _Tp = DemoText; allocator_type = 
std::allocator<DemoText>]’:
/usr/include/c++/16/bits/vector.tcc:121:30:   required from ‘constexpr 
std::vector<_Tp, _Alloc>::reference std::vector<_Tp, 
_Alloc>::emplace_back(_Args&& ...) [with _Args = {const char (&)[31], const 
char8_t (&)[49]}; _Tp = DemoText; _Alloc = std::allocator<DemoText>; reference 
= DemoText&]’
  121 |             _Alloc_traits::construct(this->_M_impl, 
this->_M_impl._M_finish,
      |             
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  122 |                                      std::forward<_Args>(__args)...);
      |                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/examples/text/Text.cpp:671:27:   required from here
  671 |     demoTexts.emplace_back("NotoSerifTC-Regular.subset.ttf",  u8"ä½ 
好。你好嗎？祝你今天過得愉快！");
      |     
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/alloc_traits.h:716:28: error: no matching function for 
call to ‘construct_at(DemoText*&, const char [31], const char8_t [49])’
  716 |           std::construct_at(__p, std::forward<_Args>(__args)...);
      |           ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  • there is 1 candidate
    • candidate 1: ‘template<class _Tp, class ... _Args>  requires 
!(is_unbounded_array_v<_Tp>) && requires{::new(void*(0)) _Tp;} constexpr _Tp* 
std::construct_at(_Tp*, _Args&& ...)’
      /usr/include/c++/16/bits/stl_construct.h:96:5:
         96 |     construct_at(_Tp* __location, _Args&&... __args)
            |     ^~~~~~~~~~~~
      • template argument deduction/substitution failed:
        • constraints not satisfied
          • /usr/include/c++/16/bits/stl_construct.h: In substitution of 
‘template<class _Tp, class ... _Args>  requires !(is_unbounded_array_v<_Tp>) 
&& requires{::new(void*(0)) _Tp;} constexpr _Tp* std::construct_at(_Tp*, 
_Args&& ...) [with _Tp = DemoText; _Args = {const char (&)[31], const char8_t 
(&)[49]}]’:
          • required from ‘static constexpr void 
std::allocator_traits<std::allocator<_Up> >::construct(allocator_type&, _Up*, 
_Args&& ...) [with _Up = DemoText; _Args = {const char (&)[31], const char8_t 
(&)[49]}; _Tp = DemoText; allocator_type = std::allocator<DemoText>]’
            /usr/include/c++/16/bits/alloc_traits.h:716:21:   
              716 |           std::construct_at(__p, 
std::forward<_Args>(__args)...);
                  |           
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required from ‘constexpr std::vector<_Tp, _Alloc>::reference 
std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {const char 
(&)[31], const char8_t (&)[49]}; _Tp = DemoText; _Alloc = 
std::allocator<DemoText>; reference = DemoText&]’
            /usr/include/c++/16/bits/vector.tcc:121:30:   
              121 |             _Alloc_traits::construct(this->_M_impl, 
this->_M_impl._M_finish,
                  |             
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
              122 |                                      
std::forward<_Args>(__args)...);
                  |                                      
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required from here
            /<<PKGBUILDDIR>>/examples/text/Text.cpp:671:27:   
              671 |     
demoTexts.emplace_back("NotoSerifTC-Regular.subset.ttf",  u8"你好。你
好嗎？祝你今天過得愉快！");
                  |     
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required by the constraints of ‘template<class _Tp, class ... 
_Args>  requires !(is_unbounded_array_v<_Tp>) && requires{::new(void*(0)) _Tp;} 
constexpr _Tp* std::construct_at(_Tp*, _Args&& ...)’
            /usr/include/c++/16/bits/stl_construct.h:96:5:   
               96 |     construct_at(_Tp* __location, _Args&&... __args)
                  |     ^~~~~~~~~~~~
          • in requirements  [with _Tp = DemoText; _Args = {const char 
(&)[31], const char8_t (&)[49]}]
            /usr/include/c++/16/bits/stl_construct.h:94:10:   
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |          
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • the required expression ‘::new(void*(0)) _Tp’ is invalid
            /usr/include/c++/16/bits/stl_construct.h:94:21:
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |                     
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/alloc_traits.h: In instantiation of ‘static 
constexpr void std::allocator_traits<std::allocator<_Up> 
>::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = DemoText; _Args = 
{const char (&)[26], const char8_t (&)[116]}; _Tp = DemoText; allocator_type = 
std::allocator<DemoText>]’:
/usr/include/c++/16/bits/vector.tcc:121:30:   required from ‘constexpr 
std::vector<_Tp, _Alloc>::reference std::vector<_Tp, 
_Alloc>::emplace_back(_Args&& ...) [with _Args = {const char (&)[26], const 
char8_t (&)[116]}; _Tp = DemoText; _Alloc = std::allocator<DemoText>; reference 
= DemoText&]’
  121 |             _Alloc_traits::construct(this->_M_impl, 
this->_M_impl._M_finish,
      |             
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  122 |                                      std::forward<_Args>(__args)...);
      |                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/examples/text/Text.cpp:672:27:   required from here
  672 |     demoTexts.emplace_back("NotoSerifThai-Regular.ttf",       
u8"สวัสดี สบายดีไหม 
หวังว่าคุณคงมีวันดีๆ นะ!");
      |     
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/alloc_traits.h:716:28: error: no matching function for 
call to ‘construct_at(DemoText*&, const char [26], const char8_t [116])’
  716 |           std::construct_at(__p, std::forward<_Args>(__args)...);
      |           ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  • there is 1 candidate
    • candidate 1: ‘template<class _Tp, class ... _Args>  requires 
!(is_unbounded_array_v<_Tp>) && requires{::new(void*(0)) _Tp;} constexpr _Tp* 
std::construct_at(_Tp*, _Args&& ...)’
      /usr/include/c++/16/bits/stl_construct.h:96:5:
         96 |     construct_at(_Tp* __location, _Args&&... __args)
            |     ^~~~~~~~~~~~
      • template argument deduction/substitution failed:
        • constraints not satisfied
          • /usr/include/c++/16/bits/stl_construct.h: In substitution of 
‘template<class _Tp, class ... _Args>  requires !(is_unbounded_array_v<_Tp>) 
&& requires{::new(void*(0)) _Tp;} constexpr _Tp* std::construct_at(_Tp*, 
_Args&& ...) [with _Tp = DemoText; _Args = {const char (&)[26], const char8_t 
(&)[116]}]’:
          • required from ‘static constexpr void 
std::allocator_traits<std::allocator<_Up> >::construct(allocator_type&, _Up*, 
_Args&& ...) [with _Up = DemoText; _Args = {const char (&)[26], const char8_t 
(&)[116]}; _Tp = DemoText; allocator_type = std::allocator<DemoText>]’
            /usr/include/c++/16/bits/alloc_traits.h:716:21:   
              716 |           std::construct_at(__p, 
std::forward<_Args>(__args)...);
                  |           
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required from ‘constexpr std::vector<_Tp, _Alloc>::reference 
std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {const char 
(&)[26], const char8_t (&)[116]}; _Tp = DemoText; _Alloc = 
std::allocator<DemoText>; reference = DemoText&]’
            /usr/include/c++/16/bits/vector.tcc:121:30:   
              121 |             _Alloc_traits::construct(this->_M_impl, 
this->_M_impl._M_finish,
                  |             
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
              122 |                                      
std::forward<_Args>(__args)...);
                  |                                      
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required from here
            /<<PKGBUILDDIR>>/examples/text/Text.cpp:672:27:   
              672 |     demoTexts.emplace_back("NotoSerifThai-Regular.ttf",     
  u8"สวัสดี สบายดีไหม 
หวังว่าคุณคงมีวันดีๆ นะ!");
                  |     
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required by the constraints of ‘template<class _Tp, class ... 
_Args>  requires !(is_unbounded_array_v<_Tp>) && requires{::new(void*(0)) _Tp;} 
constexpr _Tp* std::construct_at(_Tp*, _Args&& ...)’
            /usr/include/c++/16/bits/stl_construct.h:96:5:   
               96 |     construct_at(_Tp* __location, _Args&&... __args)
                  |     ^~~~~~~~~~~~
          • in requirements  [with _Tp = DemoText; _Args = {const char 
(&)[26], const char8_t (&)[116]}]
            /usr/include/c++/16/bits/stl_construct.h:94:10:   
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |          
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • the required expression ‘::new(void*(0)) _Tp’ is invalid
            /usr/include/c++/16/bits/stl_construct.h:94:21:
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |                     
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/alloc_traits.h: In instantiation of ‘static 
constexpr void std::allocator_traits<std::allocator<_Up> 
>::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = DemoText; _Args = 
{const char (&)[29], const char8_t (&)[190]}; _Tp = DemoText; allocator_type = 
std::allocator<DemoText>]’:
/usr/include/c++/16/bits/vector.tcc:121:30:   required from ‘constexpr 
std::vector<_Tp, _Alloc>::reference std::vector<_Tp, 
_Alloc>::emplace_back(_Args&& ...) [with _Args = {const char (&)[29], const 
char8_t (&)[190]}; _Tp = DemoText; _Alloc = std::allocator<DemoText>; reference 
= DemoText&]’
  121 |             _Alloc_traits::construct(this->_M_impl, 
this->_M_impl._M_finish,
      |             
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  122 |                                      std::forward<_Args>(__args)...);
      |                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/examples/text/Text.cpp:673:27:   required from here
  673 |     demoTexts.emplace_back("NotoSerifTibetan-Regular.ttf",    
u8"བདེ་མོ། ཁྱོད་བདེ་མོ? 
ཁྱེད་རང་ལ་ཉིན་མོ་ཡག་པོ་ཞིག་ཡོང་བà½
 à½²à¼‹à½¢à½ºà¼‹à½–་ཡོད།");
      |     
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/alloc_traits.h:716:28: error: no matching function for 
call to ‘construct_at(DemoText*&, const char [29], const char8_t [190])’
  716 |           std::construct_at(__p, std::forward<_Args>(__args)...);
      |           ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  • there is 1 candidate
    • candidate 1: ‘template<class _Tp, class ... _Args>  requires 
!(is_unbounded_array_v<_Tp>) && requires{::new(void*(0)) _Tp;} constexpr _Tp* 
std::construct_at(_Tp*, _Args&& ...)’
      /usr/include/c++/16/bits/stl_construct.h:96:5:
         96 |     construct_at(_Tp* __location, _Args&&... __args)
            |     ^~~~~~~~~~~~
      • template argument deduction/substitution failed:
        • constraints not satisfied
          • /usr/include/c++/16/bits/stl_construct.h: In substitution of 
‘template<class _Tp, class ... _Args>  requires !(is_unbounded_array_v<_Tp>) 
&& requires{::new(void*(0)) _Tp;} constexpr _Tp* std::construct_at(_Tp*, 
_Args&& ...) [with _Tp = DemoText; _Args = {const char (&)[29], const char8_t 
(&)[190]}]’:
          • required from ‘static constexpr void 
std::allocator_traits<std::allocator<_Up> >::construct(allocator_type&, _Up*, 
_Args&& ...) [with _Up = DemoText; _Args = {const char (&)[29], const char8_t 
(&)[190]}; _Tp = DemoText; allocator_type = std::allocator<DemoText>]’
            /usr/include/c++/16/bits/alloc_traits.h:716:21:   
              716 |           std::construct_at(__p, 
std::forward<_Args>(__args)...);
                  |           
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required from ‘constexpr std::vector<_Tp, _Alloc>::reference 
std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {const char 
(&)[29], const char8_t (&)[190]}; _Tp = DemoText; _Alloc = 
std::allocator<DemoText>; reference = DemoText&]’
            /usr/include/c++/16/bits/vector.tcc:121:30:   
              121 |             _Alloc_traits::construct(this->_M_impl, 
this->_M_impl._M_finish,
                  |             
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
              122 |                                      
std::forward<_Args>(__args)...);
                  |                                      
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required from here
            /<<PKGBUILDDIR>>/examples/text/Text.cpp:673:27:   
              673 |     demoTexts.emplace_back("NotoSerifTibetan-Regular.ttf",  
  u8"བདེ་མོ། ཁྱོད་བདེ་མོ? 
ཁྱེད་རང་ལ་ཉིན་མོ་ཡག་པོ་ཞིག་ཡོང་བà½
 à½²à¼‹à½¢à½ºà¼‹à½–་ཡོད།");
                  |     
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required by the constraints of ‘template<class _Tp, class ... 
_Args>  requires !(is_unbounded_array_v<_Tp>) && requires{::new(void*(0)) _Tp;} 
constexpr _Tp* std::construct_at(_Tp*, _Args&& ...)’
            /usr/include/c++/16/bits/stl_construct.h:96:5:   
               96 |     construct_at(_Tp* __location, _Args&&... __args)
                  |     ^~~~~~~~~~~~
          • in requirements  [with _Tp = DemoText; _Args = {const char 
(&)[29], const char8_t (&)[190]}]
            /usr/include/c++/16/bits/stl_construct.h:94:10:   
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |          
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • the required expression ‘::new(void*(0)) _Tp’ is invalid
            /usr/include/c++/16/bits/stl_construct.h:94:21:
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |                     
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/alloc_traits.h: In instantiation of ‘static 
constexpr void std::allocator_traits<std::allocator<_Up> 
>::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = DemoText; _Args = 
{const char (&)[22], const char8_t (&)[77]}; _Tp = DemoText; allocator_type = 
std::allocator<DemoText>]’:
/usr/include/c++/16/bits/vector.tcc:121:30:   required from ‘constexpr 
std::vector<_Tp, _Alloc>::reference std::vector<_Tp, 
_Alloc>::emplace_back(_Args&& ...) [with _Args = {const char (&)[22], const 
char8_t (&)[77]}; _Tp = DemoText; _Alloc = std::allocator<DemoText>; reference 
= DemoText&]’
  121 |             _Alloc_traits::construct(this->_M_impl, 
this->_M_impl._M_finish,
      |             
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  122 |                                      std::forward<_Args>(__args)...);
      |                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/examples/text/Text.cpp:674:27:   required from here
  674 |     demoTexts.emplace_back("NotoSerif-Regular.ttf",           
u8"Bonjour. Comment allez-vous ? J'espère que vous passez une bonne journée 
!");
      |     
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/alloc_traits.h:716:28: error: no matching function for 
call to ‘construct_at(DemoText*&, const char [22], const char8_t [77])’
  716 |           std::construct_at(__p, std::forward<_Args>(__args)...);
      |           ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  • there is 1 candidate
    • candidate 1: ‘template<class _Tp, class ... _Args>  requires 
!(is_unbounded_array_v<_Tp>) && requires{::new(void*(0)) _Tp;} constexpr _Tp* 
std::construct_at(_Tp*, _Args&& ...)’
      /usr/include/c++/16/bits/stl_construct.h:96:5:
         96 |     construct_at(_Tp* __location, _Args&&... __args)
            |     ^~~~~~~~~~~~
      • template argument deduction/substitution failed:
        • constraints not satisfied
          • /usr/include/c++/16/bits/stl_construct.h: In substitution of 
‘template<class _Tp, class ... _Args>  requires !(is_unbounded_array_v<_Tp>) 
&& requires{::new(void*(0)) _Tp;} constexpr _Tp* std::construct_at(_Tp*, 
_Args&& ...) [with _Tp = DemoText; _Args = {const char (&)[22], const char8_t 
(&)[77]}]’:
          • required from ‘static constexpr void 
std::allocator_traits<std::allocator<_Up> >::construct(allocator_type&, _Up*, 
_Args&& ...) [with _Up = DemoText; _Args = {const char (&)[22], const char8_t 
(&)[77]}; _Tp = DemoText; allocator_type = std::allocator<DemoText>]’
            /usr/include/c++/16/bits/alloc_traits.h:716:21:   
              716 |           std::construct_at(__p, 
std::forward<_Args>(__args)...);
                  |           
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required from ‘constexpr std::vector<_Tp, _Alloc>::reference 
std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {const char 
(&)[22], const char8_t (&)[77]}; _Tp = DemoText; _Alloc = 
std::allocator<DemoText>; reference = DemoText&]’
            /usr/include/c++/16/bits/vector.tcc:121:30:   
              121 |             _Alloc_traits::construct(this->_M_impl, 
this->_M_impl._M_finish,
                  |             
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
              122 |                                      
std::forward<_Args>(__args)...);
                  |                                      
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required from here
            /<<PKGBUILDDIR>>/examples/text/Text.cpp:674:27:   
              674 |     demoTexts.emplace_back("NotoSerif-Regular.ttf",         
  u8"Bonjour. Comment allez-vous ? J'espère que vous passez une bonne journée 
!");
                  |     
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required by the constraints of ‘template<class _Tp, class ... 
_Args>  requires !(is_unbounded_array_v<_Tp>) && requires{::new(void*(0)) _Tp;} 
constexpr _Tp* std::construct_at(_Tp*, _Args&& ...)’
            /usr/include/c++/16/bits/stl_construct.h:96:5:   
               96 |     construct_at(_Tp* __location, _Args&&... __args)
                  |     ^~~~~~~~~~~~
          • in requirements  [with _Tp = DemoText; _Args = {const char 
(&)[22], const char8_t (&)[77]}]
            /usr/include/c++/16/bits/stl_construct.h:94:10:   
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |          
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • the required expression ‘::new(void*(0)) _Tp’ is invalid
            /usr/include/c++/16/bits/stl_construct.h:94:21:
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |                     
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/alloc_traits.h: In instantiation of ‘static 
constexpr void std::allocator_traits<std::allocator<_Up> 
>::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = DemoText; _Args = 
{const char (&)[30], const char8_t (&)[77]}; _Tp = DemoText; allocator_type = 
std::allocator<DemoText>]’:
/usr/include/c++/16/bits/vector.tcc:121:30:   required from ‘constexpr 
std::vector<_Tp, _Alloc>::reference std::vector<_Tp, 
_Alloc>::emplace_back(_Args&& ...) [with _Args = {const char (&)[30], const 
char8_t (&)[77]}; _Tp = DemoText; _Alloc = std::allocator<DemoText>; reference 
= DemoText&]’
  121 |             _Alloc_traits::construct(this->_M_impl, 
this->_M_impl._M_finish,
      |             
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  122 |                                      std::forward<_Args>(__args)...);
      |                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/examples/text/Text.cpp:675:27:   required from here
  675 |     demoTexts.emplace_back("NotoSerifEthiopic-Regular.ttf",   
u8"ሀሎ። ስላም፧ ጥሩ ቀን እንዳለህ ተስፋ አ
ድርግ!");
      |     
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/alloc_traits.h:716:28: error: no matching function for 
call to ‘construct_at(DemoText*&, const char [30], const char8_t [77])’
  716 |           std::construct_at(__p, std::forward<_Args>(__args)...);
      |           ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  • there is 1 candidate
    • candidate 1: ‘template<class _Tp, class ... _Args>  requires 
!(is_unbounded_array_v<_Tp>) && requires{::new(void*(0)) _Tp;} constexpr _Tp* 
std::construct_at(_Tp*, _Args&& ...)’
      /usr/include/c++/16/bits/stl_construct.h:96:5:
         96 |     construct_at(_Tp* __location, _Args&&... __args)
            |     ^~~~~~~~~~~~
      • template argument deduction/substitution failed:
        • constraints not satisfied
          • /usr/include/c++/16/bits/stl_construct.h: In substitution of 
‘template<class _Tp, class ... _Args>  requires !(is_unbounded_array_v<_Tp>) 
&& requires{::new(void*(0)) _Tp;} constexpr _Tp* std::construct_at(_Tp*, 
_Args&& ...) [with _Tp = DemoText; _Args = {const char (&)[30], const char8_t 
(&)[77]}]’:
          • required from ‘static constexpr void 
std::allocator_traits<std::allocator<_Up> >::construct(allocator_type&, _Up*, 
_Args&& ...) [with _Up = DemoText; _Args = {const char (&)[30], const char8_t 
(&)[77]}; _Tp = DemoText; allocator_type = std::allocator<DemoText>]’
            /usr/include/c++/16/bits/alloc_traits.h:716:21:   
              716 |           std::construct_at(__p, 
std::forward<_Args>(__args)...);
                  |           
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required from ‘constexpr std::vector<_Tp, _Alloc>::reference 
std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {const char 
(&)[30], const char8_t (&)[77]}; _Tp = DemoText; _Alloc = 
std::allocator<DemoText>; reference = DemoText&]’
            /usr/include/c++/16/bits/vector.tcc:121:30:   
              121 |             _Alloc_traits::construct(this->_M_impl, 
this->_M_impl._M_finish,
                  |             
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
              122 |                                      
std::forward<_Args>(__args)...);
                  |                                      
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required from here
            /<<PKGBUILDDIR>>/examples/text/Text.cpp:675:27:   
              675 |     demoTexts.emplace_back("NotoSerifEthiopic-Regular.ttf", 
  u8"ሀሎ። ስላም፧ ጥሩ ቀን እንዳለህ ተስፋ አ
ድርግ!");
                  |     
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • required by the constraints of ‘template<class _Tp, class ... 
_Args>  requires !(is_unbounded_array_v<_Tp>) && requires{::new(void*(0)) _Tp;} 
constexpr _Tp* std::construct_at(_Tp*, _Args&& ...)’
            /usr/include/c++/16/bits/stl_construct.h:96:5:   
               96 |     construct_at(_Tp* __location, _Args&&... __args)
                  |     ^~~~~~~~~~~~
          • in requirements  [with _Tp = DemoText; _Args = {const char 
(&)[30], const char8_t (&)[77]}]
            /usr/include/c++/16/bits/stl_construct.h:94:10:   
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |          
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          • the required expression ‘::new(void*(0)) _Tp’ is invalid
            /usr/include/c++/16/bits/stl_construct.h:94:21:
               94 |       && requires { ::new((void*)0) 
_Tp(std::declval<_Args>()...); }
                  |                     
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/x86_64-linux-gnu-g++ -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. 
-fstack-protector-strong -fstack-clash-protection -Wformat 
-Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 
-Wl,-z,relro -Wl,-z,now -Wl,--dependency-file=CMakeFiles/stencil.dir/link.d 
CMakeFiles/stencil.dir/Stencil.cpp.o -o ../../bin/stencil  
-Wl,-rpath,/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/lib 
../../lib/libsfml-graphics.so.3.1.0 ../../lib/libsfml-window.so.3.1.0 
../../lib/libsfml-system.so.3.1.0
make[3]: Leaving directory '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu'
[ 76%] Built target stencil
make  -f examples/joystick/CMakeFiles/joystick.dir/build.make 
examples/joystick/CMakeFiles/joystick.dir/depend
make[3]: Entering directory '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu'
cd /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu && /usr/bin/cmake -E cmake_depends 
"Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/examples/joystick 
/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu 
/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/examples/joystick 
/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/examples/joystick/CMakeFiles/joystick.dir/DependInfo.cmake
 "--color=" joystick
make[3]: Leaving directory '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu'
make  -f examples/joystick/CMakeFiles/joystick.dir/build.make 
examples/joystick/CMakeFiles/joystick.dir/build
make[3]: Entering directory '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu'
[ 77%] Building CXX object 
examples/joystick/CMakeFiles/joystick.dir/Joystick.cpp.o
cd /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/examples/joystick && 
/usr/bin/x86_64-linux-gnu-g++  -I/<<PKGBUILDDIR>>/include -g -O2 
-ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong 
-fstack-clash-protection -Wformat -Werror=format-security -fcf-protection 
-Wdate-time -D_FORTIFY_SOURCE=2 -fvisibility=hidden -fvisibility-inlines-hidden 
-Wall -Wextra -Wshadow -Wnon-virtual-dtor -Wcast-align -Wunused 
-Woverloaded-virtual -Wconversion -Wsign-conversion -Wdouble-promotion 
-Wformat=2 -Wimplicit-fallthrough -Wsuggest-override -Wnull-dereference 
-Wold-style-cast -Wpedantic -Wmisleading-indentation -Wduplicated-cond 
-Wlogical-op -Wduplicated-branches -MD -MT 
examples/joystick/CMakeFiles/joystick.dir/Joystick.cpp.o -MF 
CMakeFiles/joystick.dir/Joystick.cpp.o.d -o 
CMakeFiles/joystick.dir/Joystick.cpp.o -c 
/<<PKGBUILDDIR>>/examples/joystick/Joystick.cpp
make[3]: *** [examples/text/CMakeFiles/text.dir/build.make:82: 
examples/text/CMakeFiles/text.dir/Text.cpp.o] Error 1
make[3]: Leaving directory '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu'
make[2]: *** [CMakeFiles/Makefile2:1567: examples/text/CMakeFiles/text.dir/all] 
Error 2
make[2]: *** Waiting for unfinished jobs....
[ 77%] Linking CXX executable ../../bin/joystick
cd /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/examples/joystick && /usr/bin/cmake -E 
cmake_link_script CMakeFiles/joystick.dir/link.txt --verbose=1
/usr/bin/x86_64-linux-gnu-g++ -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. 
-fstack-protector-strong -fstack-clash-protection -Wformat 
-Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 
-Wl,-z,relro -Wl,-z,now -Wl,--dependency-file=CMakeFiles/joystick.dir/link.d 
CMakeFiles/joystick.dir/Joystick.cpp.o -o ../../bin/joystick  
-Wl,-rpath,/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/lib 
../../lib/libsfml-graphics.so.3.1.0 ../../lib/libsfml-window.so.3.1.0 
../../lib/libsfml-system.so.3.1.0
make[3]: Leaving directory '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu'
[ 77%] Built target joystick
make[2]: Leaving directory '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu'
make[1]: *** [Makefile:169: all] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu'
dh_auto_build: error: cd obj-x86_64-linux-gnu && make -j2 INSTALL="install 
--strip-program=true" VERBOSE=1 returned exit code 2
make: *** [debian/rules:5: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess failed with exit 
status 2
--------------------------------------------------------------------------------

--- End Message ---
--- Begin Message --- 
Source: libsfml
Source-Version: 3.1.0+dfsg-4
Done: James Cowgill <[email protected]>

We believe that the bug you reported is fixed in the latest version of
libsfml, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
James Cowgill <[email protected]> (supplier of updated libsfml package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])


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Hash: SHA512

Format: 1.8
Date: Wed, 05 Aug 2026 13:48:10 +0100
Source: libsfml
Architecture: source
Version: 3.1.0+dfsg-4
Distribution: unstable
Urgency: medium
Maintainer: Debian Games Team <[email protected]>
Changed-By: James Cowgill <[email protected]>
Closes: 1143675
Changes:
 libsfml (3.1.0+dfsg-4) unstable; urgency=medium
 .
   * d/rules: Build with C++17 to fix FTBFS with GCC 16. (Closes: #1143675)
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Git-Tag-Tagger: James Cowgill <[email protected]>

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--- End Message ---

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