clboss/m4
ZmnSCPxj jxPCSnmZ ef17546c1a
configure.ac: Enable C++20.
This introduces a number of changes:

* We can no longer implicitly capture `this` in `[=]() { ... }`,
  we have to explicitly capture it: `[=, this]() { ... }`.
* We added a newer version of the `AX_CXX_COMPILE_STDCXX` macro as
  the stable Debian does not have the latest version yet, and it is
  the latest version that has support for C++20.
2026-01-21 11:40:01 -08:00
..
m4_ax_cxx_compile_stdcxx.m4 configure.ac: Enable C++20. 2026-01-21 11:40:01 -08:00