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-rw-r--r--pkgs/desktops/gnome-3/3.22/misc/gnome-tweak-tool/default.nix9
1 files changed, 9 insertions, 0 deletions
diff --git a/pkgs/desktops/gnome-3/3.22/misc/gnome-tweak-tool/default.nix b/pkgs/desktops/gnome-3/3.22/misc/gnome-tweak-tool/default.nix
index e6c4b8c82027..f75cdd0e83e2 100644
--- a/pkgs/desktops/gnome-3/3.22/misc/gnome-tweak-tool/default.nix
+++ b/pkgs/desktops/gnome-3/3.22/misc/gnome-tweak-tool/default.nix
@@ -12,6 +12,15 @@ in stdenv.mkDerivation rec {
 
   propagatedUserEnvPkgs = [ gnome3.gnome_themes_standard ];
 
+  # Make sure that Python 2 is first in $PATH because gnome3.gnome_shell
+  # propagates python3Packages.python.  If we do not do this, autoconf will use
+  # Python 3 instead which gnome-tweak-tool does not support at this time.  See:
+  # https://github.com/NixOS/nixpkgs/issues/21851
+  # https://github.com/NixOS/nixpkgs/pull/22370
+  preConfigure = ''
+    PATH="${python}/bin:$PATH"
+  '';
+
   makeFlags = [ "DESTDIR=/" ];
 
   buildInputs = [ pkgconfig gtk3 glib intltool itstool libxml2