Revert "Merge branch 'jt/urbit-large-log' (#2211)"

This reverts commit 0fc9056074, reversing
changes made to 1e3a1434e0.

The changes made here evidently broke builds on some Linux variants.

nix/pkgs/default.nix

@@ -24,13 +24,6 @@ let
   urbit       = mkUrbit { debug = false; };
   urbit-debug = mkUrbit { debug = true; };
 
-  urbit-large-log = pkgs.stdenv.lib.overrideDerivation urbit (_: {
-    patches = [ ./urbit/patches/large-log-limit.patch ];
-    patchFlags = "-p3";
-  });
-
 in
 
-{ inherit ent ge-additions arvo arvo-ropsten herb;
-  inherit urbit urbit-debug urbit-large-log;
-}
+{ inherit ent ge-additions arvo arvo-ropsten herb urbit urbit-debug; }

nix/pkgs/urbit/builder.sh

@@ -0,0 +1,15 @@
+source $stdenv/setup
+
+cp -r $src ./src
+chmod -R u+w ./src
+cd src
+
+bash ./configure
+
+make clean
+make all -j8
+make test
+
+mkdir -p $out/bin
+cp ./build/urbit $out/bin/$exename
+cp ./build/urbit-worker $out/bin/$exename-worker

nix/pkgs/urbit/default.nix

@@ -27,17 +27,9 @@ let
     inherit name meta;
     exename = name;
     src     = ../../../pkg/urbit;
+    builder = ./builder.sh;
     nativeBuildInputs = deps ++ vendor;
 
-    installPhase = ''
-      make all -j8
-      make test
-
-      mkdir -p $out/bin
-      cp ./build/urbit $out/bin/$exename
-      cp ./build/urbit-worker $out/bin/$exename-worker
-    '';
-
     # See https://github.com/NixOS/nixpkgs/issues/18995
     hardeningDisable = if debug then [ "all" ] else [];
 

nix/pkgs/urbit/patches/large-log-limit.patch

@@ -1,15 +0,0 @@
-diff --git a/pkg/urbit/vere/lmdb.c b/pkg/urbit/vere/lmdb.c
-index b46cc66ee..b8f647dde 100644
---- a/pkg/urbit/vere/lmdb.c
-+++ b/pkg/urbit/vere/lmdb.c
-@@ -44,8 +44,8 @@ MDB_env* u3_lmdb_init(const char* log_path)
-   // TODO: Start with forty gigabytes for the maximum event log size. We'll
-   // need to do something more sophisticated for real in the long term, though.
-   //
--  const size_t forty_gigabytes = 42949672960;
--  ret_w = mdb_env_set_mapsize(env, forty_gigabytes);
-+  const size_t sixty_gigabytes = 64424509440;
-+  ret_w = mdb_env_set_mapsize(env, sixty_gigabytes);
-   if (ret_w != 0) {
-     u3l_log("lmdb: failed to set database size: %s\n", mdb_strerror(ret_w));
-     return 0;