Merge branch 'nixos-unstable' of https://github.com/NixOS/nixpkgs

Conflicts:
	nixpkgs/pkgs/applications/window-managers/sway/default.nix
	nixpkgs/pkgs/build-support/go/module.nix
	nixpkgs/pkgs/build-support/rust/build-rust-package/default.nix
	nixpkgs/pkgs/development/libraries/mesa/default.nix
	nixpkgs/pkgs/servers/dict/dictd-db.nix

Link: https://gitlab.freedesktop.org/xkeyboard-config/xkeyboard-config/-/issues/391

6 files changed, 98 insertions, 18 deletions

diff --git a/nixpkgs/lib/systems/architectures.nix b/nixpkgs/lib/systems/architectures.nix
index 57b9184ca60c..9be8c80e3f11 100644
--- a/nixpkgs/lib/systems/architectures.nix
+++ b/nixpkgs/lib/systems/architectures.nix
@@ -3,8 +3,15 @@
 rec {
   # gcc.arch to its features (as in /proc/cpuinfo)
   features = {
+    # x86_64 Generic
+    # Spec: https://gitlab.com/x86-psABIs/x86-64-ABI/
     default        = [ ];
+    x86-64         = [ ];
+    x86-64-v2      = [ "sse3" "ssse3" "sse4_1" "sse4_2"                                                  ];
+    x86-64-v3      = [ "sse3" "ssse3" "sse4_1" "sse4_2"               "avx" "avx2"          "fma"        ];
+    x86-64-v4      = [ "sse3" "ssse3" "sse4_1" "sse4_2"               "avx" "avx2" "avx512" "fma"        ];
     # x86_64 Intel
+    nehalem        = [ "sse3" "ssse3" "sse4_1" "sse4_2"         "aes"                                    ];
     westmere       = [ "sse3" "ssse3" "sse4_1" "sse4_2"         "aes"                                    ];
     sandybridge    = [ "sse3" "ssse3" "sse4_1" "sse4_2"         "aes" "avx"                              ];
     ivybridge      = [ "sse3" "ssse3" "sse4_1" "sse4_2"         "aes" "avx"                              ];
@@ -18,6 +25,7 @@ rec {
     cascadelake    = [ "sse3" "ssse3" "sse4_1" "sse4_2"         "aes" "avx" "avx2" "avx512" "fma"        ];
     cooperlake     = [ "sse3" "ssse3" "sse4_1" "sse4_2"         "aes" "avx" "avx2" "avx512" "fma"        ];
     tigerlake      = [ "sse3" "ssse3" "sse4_1" "sse4_2"         "aes" "avx" "avx2" "avx512" "fma"        ];
+    alderlake      = [ "sse3" "ssse3" "sse4_1" "sse4_2"         "aes" "avx" "avx2"          "fma"        ];
     # x86_64 AMD
     btver1         = [ "sse3" "ssse3" "sse4_1" "sse4_2"                                                  ];
     btver2         = [ "sse3" "ssse3" "sse4_1" "sse4_2"         "aes" "avx"                              ];
@@ -28,6 +36,7 @@ rec {
     znver1         = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "avx2"          "fma"        ];
     znver2         = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "avx2"          "fma"        ];
     znver3         = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "avx2"          "fma"        ];
+    znver4         = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "avx2" "avx512" "fma"        ];
     # other
     armv5te        = [ ];
     armv6          = [ ];
@@ -39,23 +48,35 @@ rec {
 
   # a superior CPU has all the features of an inferior and is able to build and test code for it
   inferiors = {
+    # x86_64 Generic
+    default   = [ ];
+    x86-64    = [ ];
+    x86-64-v2 = [ "x86-64"    ];
+    x86-64-v3 = [ "x86-64-v2" ] ++ inferiors.x86-64-v2;
+    x86-64-v4 = [ "x86-64-v3" ] ++ inferiors.x86-64-v3;
+
     # x86_64 Intel
     # https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
-    default        = [ ];
-    westmere       = [ ];
-    sandybridge    = [ "westmere"       ] ++ inferiors.westmere;
-    ivybridge      = [ "sandybridge"    ] ++ inferiors.sandybridge;
-    haswell        = [ "ivybridge"      ] ++ inferiors.ivybridge;
-    broadwell      = [ "haswell"        ] ++ inferiors.haswell;
-    skylake        = [ "broadwell"      ] ++ inferiors.broadwell;
-    skylake-avx512 = [ "skylake"        ] ++ inferiors.skylake;
+    nehalem        = [ "x86-64-v2"   ] ++ inferiors.x86-64-v2;
+    westmere       = [ "nehalem"     ] ++ inferiors.nehalem;
+    sandybridge    = [ "westmere"    ] ++ inferiors.westmere;
+    ivybridge      = [ "sandybridge" ] ++ inferiors.sandybridge;
+
+    haswell        = lib.unique ([ "ivybridge" "x86-64-v3" ] ++ inferiors.ivybridge ++ inferiors.x86-64-v3);
+    broadwell      = [ "haswell"   ] ++ inferiors.haswell;
+    skylake        = [ "broadwell" ] ++ inferiors.broadwell;
+
+    skylake-avx512 = lib.unique ([ "skylake" "x86-64-v4" ] ++ inferiors.skylake ++ inferiors.x86-64-v4);
     cannonlake     = [ "skylake-avx512" ] ++ inferiors.skylake-avx512;
     icelake-client = [ "cannonlake"     ] ++ inferiors.cannonlake;
     icelake-server = [ "icelake-client" ] ++ inferiors.icelake-client;
-    cascadelake    = [ "skylake-avx512" ] ++ inferiors.cannonlake;
+    cascadelake    = [ "cannonlake"     ] ++ inferiors.cannonlake;
     cooperlake     = [ "cascadelake"    ] ++ inferiors.cascadelake;
     tigerlake      = [ "icelake-server" ] ++ inferiors.icelake-server;
 
+    # CX16 does not exist on alderlake, while it does on nearly all other intel CPUs
+    alderlake      = [ ];
+
     # x86_64 AMD
     # TODO: fill this (need testing)
     btver1         = [ ];
@@ -83,9 +104,10 @@ rec {
     # https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
     # https://en.wikichip.org/wiki/amd/microarchitectures/zen
     # https://en.wikichip.org/wiki/intel/microarchitectures/skylake
-    znver1         = [ "skylake" ] ++ inferiors.skylake;
+    znver1         = [ "skylake" ] ++ inferiors.skylake; # Includes haswell and x86-64-v3
     znver2         = [ "znver1"  ] ++ inferiors.znver1;
     znver3         = [ "znver2"  ] ++ inferiors.znver2;
+    znver4         = lib.unique ([ "znver3" "x86-64-v4" ] ++ inferiors.znver3 ++ inferiors.x86-64-v4);
 
     # other
     armv5te        = [ ];
diff --git a/nixpkgs/lib/systems/default.nix b/nixpkgs/lib/systems/default.nix
index f4784c61c675..40a2c88f32b8 100644
--- a/nixpkgs/lib/systems/default.nix
+++ b/nixpkgs/lib/systems/default.nix
@@ -9,6 +9,24 @@ rec {
   examples = import ./examples.nix { inherit lib; };
   architectures = import ./architectures.nix { inherit lib; };
 
+  /*
+    Elaborated systems contain functions, which means that they don't satisfy
+    `==` for a lack of reflexivity.
+
+    They might *appear* to satisfy `==` reflexivity when the same exact value is
+    compared to itself, because object identity is used as an "optimization";
+    compare the value with a reconstruction of itself, e.g. with `f == a: f a`,
+    or perhaps calling `elaborate` twice, and one will see reflexivity fail as described.
+
+    Hence a custom equality test.
+
+    Note that this does not canonicalize the systems, so you'll want to make sure
+    both arguments have been `elaborate`-d.
+  */
+  equals =
+    let removeFunctions = a: lib.filterAttrs (_: v: !builtins.isFunction v) a;
+    in a: b: removeFunctions a == removeFunctions b;
+
   /* List of all Nix system doubles the nixpkgs flake will expose the package set
      for. All systems listed here must be supported by nixpkgs as `localSystem`.
 
@@ -67,17 +85,18 @@ rec {
         # is why we use the more obscure "bfd" and not "binutils" for this
         # choice.
         else                                     "bfd";
-      extensions = rec {
+      extensions = lib.optionalAttrs final.hasSharedLibraries {
         sharedLibrary =
-          /**/ if final.isDarwin  then ".dylib"
+          if      final.isDarwin  then ".dylib"
           else if final.isWindows then ".dll"
           else                         ".so";
+      } // {
         staticLibrary =
           /**/ if final.isWindows then ".lib"
           else                         ".a";
         library =
-          /**/ if final.isStatic then staticLibrary
-          else                        sharedLibrary;
+          /**/ if final.isStatic then final.extensions.staticLibrary
+          else                        final.extensions.sharedLibrary;
         executable =
           /**/ if final.isWindows then ".exe"
           else                         "";
@@ -114,6 +133,25 @@ rec {
          # uname -r
          release = null;
       };
+
+      # It is important that hasSharedLibraries==false when the platform has no
+      # dynamic library loader.  Various tools (including the gcc build system)
+      # have knowledge of which platforms are incapable of dynamic linking, and
+      # will still build on/for those platforms with --enable-shared, but simply
+      # omit any `.so` build products such as libgcc_s.so.  When that happens,
+      # it causes hard-to-troubleshoot build failures.
+      hasSharedLibraries = with final;
+        (isAndroid || isGnu || isMusl                                  # Linux (allows multiple libcs)
+         || isDarwin || isSunOS || isOpenBSD || isFreeBSD || isNetBSD  # BSDs
+         || isCygwin || isMinGW                                        # Windows
+        ) && !isStatic;
+
+      # The difference between `isStatic` and `hasSharedLibraries` is mainly the
+      # addition of the `staticMarker` (see make-derivation.nix).  Some
+      # platforms, like embedded machines without a libc (e.g. arm-none-eabi)
+      # don't support dynamic linking, but don't get the `staticMarker`.
+      # `pkgsStatic` sets `isStatic=true`, so `pkgsStatic.hostPlatform` always
+      # has the `staticMarker`.
       isStatic = final.isWasm || final.isRedox;
 
       # Just a guess, based on `system`
@@ -193,8 +231,7 @@ rec {
             };
             wine = (pkgs.winePackagesFor "wine${toString final.parsed.cpu.bits}").minimal;
           in
-          if final.parsed.kernel.name == pkgs.stdenv.hostPlatform.parsed.kernel.name &&
-            pkgs.stdenv.hostPlatform.canExecute final
+          if pkgs.stdenv.hostPlatform.canExecute final
           then "${pkgs.runtimeShell} -c '\"$@\"' --"
           else if final.isWindows
           then "${wine}/bin/wine${lib.optionalString (final.parsed.cpu.bits == 64) "64"}"
diff --git a/nixpkgs/lib/systems/doubles.nix b/nixpkgs/lib/systems/doubles.nix
index 66bf3d872bee..13f029ee1f40 100644
--- a/nixpkgs/lib/systems/doubles.nix
+++ b/nixpkgs/lib/systems/doubles.nix
@@ -41,7 +41,7 @@ let
 
     # none
     "aarch64_be-none" "aarch64-none" "arm-none" "armv6l-none" "avr-none" "i686-none"
-    "microblaze-none" "microblazeel-none" "msp430-none" "or1k-none" "m68k-none"
+    "microblaze-none" "microblazeel-none" "mips-none" "mips64-none" "msp430-none" "or1k-none" "m68k-none"
     "powerpc-none" "powerpcle-none" "riscv32-none" "riscv64-none" "rx-none"
     "s390-none" "s390x-none" "vc4-none" "x86_64-none"
 
diff --git a/nixpkgs/lib/systems/examples.nix b/nixpkgs/lib/systems/examples.nix
index 45b95c150fce..8d9c09561ddb 100644
--- a/nixpkgs/lib/systems/examples.nix
+++ b/nixpkgs/lib/systems/examples.nix
@@ -37,6 +37,10 @@ rec {
     config = "armv6l-unknown-linux-gnueabihf";
   } // platforms.raspberrypi;
 
+  bluefield2 = {
+    config = "aarch64-unknown-linux-gnu";
+  } // platforms.bluefield2;
+
   remarkable1 = {
     config = "armv7l-unknown-linux-gnueabihf";
   } // platforms.zero-gravitas;
@@ -129,6 +133,16 @@ rec {
     libc = "newlib";
   };
 
+  mips64-embedded = {
+    config = "mips64-none-elf";
+    libc = "newlib";
+  };
+
+  mips-embedded = {
+    config = "mips-none-elf";
+    libc = "newlib";
+  };
+
   loongarch64-linux = {
     config = "loongarch64-unknown-linux-gnu";
   };
diff --git a/nixpkgs/lib/systems/inspect.nix b/nixpkgs/lib/systems/inspect.nix
index 89e9f4231d97..022e459c3945 100644
--- a/nixpkgs/lib/systems/inspect.nix
+++ b/nixpkgs/lib/systems/inspect.nix
@@ -87,7 +87,7 @@ rec {
     isNone         = { kernel = kernels.none; };
 
     isAndroid      = [ { abi = abis.android; } { abi = abis.androideabi; } ];
-    isGnu          = with abis; map (a: { abi = a; }) [ gnuabi64 gnu gnueabi gnueabihf gnuabielfv1 gnuabielfv2 ];
+    isGnu          = with abis; map (a: { abi = a; }) [ gnuabi64 gnuabin32 gnu gnueabi gnueabihf gnuabielfv1 gnuabielfv2 ];
     isMusl         = with abis; map (a: { abi = a; }) [ musl musleabi musleabihf muslabin32 muslabi64 ];
     isUClibc       = with abis; map (a: { abi = a; }) [ uclibc uclibceabi uclibceabihf ];
 
diff --git a/nixpkgs/lib/systems/platforms.nix b/nixpkgs/lib/systems/platforms.nix
index d574943e47df..d2e8f77bec03 100644
--- a/nixpkgs/lib/systems/platforms.nix
+++ b/nixpkgs/lib/systems/platforms.nix
@@ -209,6 +209,13 @@ rec {
   # Legacy attribute, for compatibility with existing configs only.
   raspberrypi2 = armv7l-hf-multiplatform;
 
+  # Nvidia Bluefield 2 (w. crypto support)
+  bluefield2 = {
+    gcc = {
+      arch = "armv8-a+fp+simd+crc+crypto";
+    };
+  };
+
   zero-gravitas = {
     linux-kernel = {
       name = "zero-gravitas";