nix: fix vere compilation

INSTALL.md

@@ -150,6 +150,13 @@ doesn't match the version of `clang` installed on your system. To address this,
 run `clang --version` and pass the version number via
 `--clang_version="<version_string>"` to the failing command.
 
+If build fails on nix/NixOS, you should pass `ACLOCAL_PATH` environment
+variable to bazel, using `--action_env=ACLOCAL_PATH=$ACLOCAL_PATH`, like so:
+
+```
+bazel build :urbit --action_env=ACLOCAL_PATH=$ACLOCAL_PATH
+```
+
 [^1]: If you're interested in digging into the details of the build system,
       check out [`WORKSPACE.bazel`](WORKSPACE.bazel),
       [`BUILD.bazel`](BUILD.bazel), [`bazel/`](bazel), and the multiple

bazel/third_party/avahi/avahi.BUILD

@@ -17,7 +17,7 @@ configure_make(
         "@platforms//os:macos": ["--jobs=`sysctl -n hw.logicalcpu`"],
         "//conditions:default": ["--jobs=`nproc`"],
     }),
-    configure_options = ["--with-dbus-system-address='unix:path=/var/run/dbus/system_bus_socket' --with-xml=none --disable-libevent --disable-glib --disable-gobject --disable-gdbm --disable-qt3 --disable-qt4 --disable-qt5 --disable-gtk --disable-gtk3 --disable-mono --disable-monodoc --disable-python --disable-libdaemon --enable-compat-libdns_sd --disable-rpath"],
+    configure_options = ["--with-dbus-system-address='unix:path=/var/run/dbus/system_bus_socket' --with-xml=none --disable-libevent --disable-glib --disable-gobject --disable-gdbm --disable-qt3 --disable-qt4 --disable-qt5 --disable-gtk --disable-gtk3 --disable-mono --disable-monodoc --disable-python --disable-libdaemon --enable-compat-libdns_sd --disable-rpath --with-distro=none"],
     lib_source = ":all",
     # out_include_dir = "avahi-compat-libdns_sd",
     deps = ["@dbus"],

flake.nix

@@ -104,12 +104,16 @@
         ]
         ++ (with pkgs; [
           autoconf
+          autoconf-archive
           automake
-          bazel_5
+          bazel_6
           binutils # for `nm`
           jdk11_headless
           libtool
           m4
+          pkg-config
+          git
+          perl
         ]);
         extraBuildCommands = ''
           chmod +w usr