From 2d15039387a2212f6718bffb937ebe04d7464ce5 Mon Sep 17 00:00:00 2001
From: Artturin <Artturin@artturin.com>
Date: Thu, 7 Sep 2023 23:21:06 +0300
Subject: tests.cc-wrapper: add supported and move tests to subsets

filter out llvmPackages <=10 on aarch64-darwin, they're marked broken
and availableOn doesn't filter broken packages
---
 pkgs/test/default.nix | 52 +++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 50 insertions(+), 2 deletions(-)

diff --git a/pkgs/test/default.nix b/pkgs/test/default.nix
index 8bc9a7844ff..8629bc472d6 100644
--- a/pkgs/test/default.nix
+++ b/pkgs/test/default.nix
@@ -17,7 +17,7 @@ with pkgs;
         libcxx = callPackage ./cc-wrapper { stdenv = pkgs.${name}.libcxxStdenv; };
       });
     in
-      recurseIntoAttrs tests;
+      tests;
     gccTests = let
       pkgSets = lib.pipe (attrNames pkgs) ([
         (filter (lib.hasPrefix "gcc"))
@@ -32,7 +32,55 @@ with pkgs;
     in lib.genAttrs pkgSets (name: callPackage ./cc-wrapper { stdenv = pkgs.${name}; });
   in recurseIntoAttrs {
     default = callPackage ./cc-wrapper { };
-  } // llvmTests // gccTests;
+
+    supported = stdenv.mkDerivation {
+      name = "cc-wrapper-supported";
+      builtGCC =
+        let
+          names = lib.pipe (attrNames gccTests) ([
+            (filter (n: lib.meta.availableOn stdenv.hostPlatform pkgs.${n}.cc))
+            # Broken
+            (filter (n: n != "gcc49Stdenv"))
+            (filter (n: n != "gccMultiStdenv"))
+          ] ++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) [
+            # fails with things like
+            # ld: warning: ld: warning: object file (trunctfsf2_s.o) was built for newer macOS version (11.0) than being linked (10.5)
+            # ld: warning: ld: warning: could not create compact unwind for ___fixunstfdi: register 20 saved somewhere other than in frame
+            (filter (n: n != "gcc11Stdenv"))
+          ]);
+        in
+        toJSON (lib.genAttrs names (name: { name = pkgs.${name};  }));
+
+      builtLLVM =
+        let
+          names = lib.pipe (attrNames llvmTests) ([
+            (filter (n: lib.meta.availableOn stdenv.hostPlatform pkgs.${n}.stdenv.cc))
+            (filter (n: lib.meta.availableOn stdenv.hostPlatform pkgs.${n}.libcxxStdenv.cc))
+
+            # libcxxStdenv broken
+            # fix in https://github.com/NixOS/nixpkgs/pull/216273
+            (filter (n: n != "llvmPackages_15"))
+          ] ++ lib.optionals (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64) [
+            # libcxx does not build for some reason on aarch64-linux
+            (filter (n: n != "llvmPackages_7"))
+          ] ++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) [
+            (filter (n: n != "llvmPackages_5"))
+            (filter (n: n != "llvmPackages_6"))
+            (filter (n: n != "llvmPackages_7"))
+            (filter (n: n != "llvmPackages_8"))
+            (filter (n: n != "llvmPackages_9"))
+            (filter (n: n != "llvmPackages_10"))
+          ]);
+        in
+        toJSON (lib.genAttrs names (name: { stdenv = pkgs.${name}.stdenv; libcxx = pkgs.${name}.libcxxStdenv;  }));
+        buildCommand = ''
+          touch $out
+        '';
+    };
+
+    llvmTests = recurseIntoAttrs llvmTests;
+    inherit gccTests;
+  };
 
   stdenv-inputs = callPackage ./stdenv-inputs { };
   stdenv = callPackage ./stdenv { };
-- 
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