gcc: gcc_13 → gcc_14

nixos/doc/manual/release-notes/rl-2411.section.md

@@ -9,6 +9,8 @@
   Users on old macOS versions should consider upgrading to a supported version (potentially using [OpenCore Legacy Patcher](https://dortania.github.io/OpenCore-Legacy-Patcher/) for old hardware) or installing NixOS.
   If neither of those options are viable and you require new versions of software, [MacPorts](https://www.macports.org/) supports back to Mac OS X Snow Leopard 10.6.
 
+- GCC now defaults to major version 14 from previous 13. ([GCC Porting Guide](https://gcc.gnu.org/gcc-14/porting_to.html))
+
 - Convenience options for `amdgpu`, open source driver for Radeon cards, is now available under `hardware.amdgpu`.
 
 - [AMDVLK](https://github.com/GPUOpen-Drivers/AMDVLK), AMD's open source Vulkan driver, is now available to be configured as `hardware.amdgpu.amdvlk` option.

pkgs/top-level/all-packages.nix

@@ -14895,7 +14895,7 @@ with pkgs;
 
   default-gcc-version =
     if (with stdenv.targetPlatform; isVc4 || libc == "relibc") then 6
-    else 13;
+    else 14;
   gcc = pkgs.${"gcc${toString default-gcc-version}"};
   gccFun = callPackage ../development/compilers/gcc;
   gcc-unwrapped = gcc.cc;