virt-manager: fix build on darwin

pkgs/applications/virtualization/virt-manager/default.nix

@@ -64,6 +64,10 @@ python3.pkgs.buildPythonApplication rec {
     gappsWrapperArgs+=(--prefix PATH : "${lib.makeBinPath [ cpio e2fsprogs file findutils gzip ]}")
 
     makeWrapperArgs+=("''${gappsWrapperArgs[@]}")
+
+    # Fixes testCLI0051virt_install_initrd_inject on Darwin: "cpio: root:root: invalid group"
+    substituteInPlace virtinst/install/installerinject.py \
+      --replace "'--owner=root:root'" "'--owner=0:0'"
   '';
 
   checkInputs = with python3.pkgs; [
@@ -95,8 +99,7 @@ python3.pkgs.buildPythonApplication rec {
       manages Xen and LXC (linux containers).
     '';
     license = licenses.gpl2;
-    # exclude Darwin since libvirt-glib currently doesn't build there
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     maintainers = with maintainers; [ qknight offline fpletz globin ];
   };
 }

pkgs/tools/admin/gtk-vnc/default.nix

@@ -9,6 +9,7 @@
 , glib
 , pkg-config
 , cyrus_sasl
+, pulseaudioSupport ? stdenv.isLinux
 , libpulseaudio
 , libgcrypt
 , gtk3
@@ -51,8 +52,13 @@ stdenv.mkDerivation rec {
     glib
     libgcrypt
     cyrus_sasl
-    libpulseaudio
     gtk3
+  ] ++ lib.optionals pulseaudioSupport [
+    libpulseaudio
+  ];
+
+  mesonFlags = lib.optionals (!pulseaudioSupport) [
+    "-Dpulseaudio=disabled"
   ];
 
   passthru = {
@@ -67,6 +73,6 @@ stdenv.mkDerivation rec {
     homepage = "https://wiki.gnome.org/Projects/gtk-vnc";
     license = licenses.lgpl2Plus;
     maintainers = with maintainers; [ raskin offline ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 }