From: debian@kayari.org   
      
   On Sun, 22 Feb 2026 at 09:45 +0100, Ingo Saitz wrote:   
   >To use "import std;", one needs to generate a precompiled std.gcm file   
   >first.   
      
   You can also just use --compile-std-module to avoid that step.   
      
   >Doing this with -std=c++26 is currently broken:   
   >   
   >$ g++-16 -std=c++26 -g3 -O3 -fmodules -fsearch-include-path -c bits/std.cc -o   
   /dev/null   
   >/usr/include/c++/16/bits/std.cc:1918:14: error: ‘submdspan_ca   
   onicalize_slices’ has not been declared in ‘std’   
   > 1918 |   using std::submdspan_canonicalize_slices;   
   >      |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~   
   >/usr/include/c++/16/bits/std.cc:1919:14: error: ‘submdspan_extents’ has   
   not been declared in ‘std’   
   > 1919 |   using std::submdspan_extents;   
   >      |              ^~~~~~~~~~~~~~~~~   
   >   
   >It does still work with -std=c++20 and c++23, though. This is probably a   
   >minor issue until c++26 is released.   
      
   This was already fixed upstream:   
      
   https://gcc.gnu.org/r16-7546-gf037fdeb95bb2b   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)