nix: fix ppc64le (#2738)

.github/workflows/releases.yml

@@ -13,6 +13,7 @@ jobs:
           pwndbg-gdb-cross-riscv64-tarball,
           pwndbg-gdb-cross-s390x-tarball,
           pwndbg-gdb-cross-ppc64-tarball,
+          pwndbg-gdb-cross-ppc64le-tarball,
           pwndbg-gdb-cross-x86_32-tarball,
 
           # lldb
@@ -20,10 +21,11 @@ jobs:
           pwndbg-lldb-cross-riscv64-tarball,
           pwndbg-lldb-cross-s390x-tarball,
           pwndbg-lldb-cross-ppc64-tarball,
+          pwndbg-lldb-cross-ppc64le-tarball,
           pwndbg-lldb-cross-x86_32-tarball,
         ]
     runs-on: ubuntu-latest  # x86_64-linux
-    timeout-minutes: 60
+    timeout-minutes: 360
     steps:
     - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9  # @v3
     - uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72  # @v30

flake.nix

@@ -96,6 +96,15 @@
                   };
                 }
             )
+            (
+              final: prev:
+              nixpkgs.lib.optionalAttrs
+                (prev.stdenv.targetPlatform.isPower64 && prev.stdenv.targetPlatform.isLittleEndian)
+                {
+                  # new boost is broken: https://github.com/NixOS/nixpkgs/issues/382179
+                  boost = prev.boost183;
+                }
+            )
             overlayDarwin
             (final: prev: {
               pwndbg_gdb = import ./nix/overlay/gdb.nix { prev = prev; };