diff --git a/.gitignore b/.gitignore
index 7315ba2..cb29712 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,6 @@
 .direnv
+##### TUP GITIGNORE #####
+##### Lines below automatically generated by Tup.
+##### Do not edit.
 .tup
+/.gitignore
diff --git a/Tuprules.tup b/Tuprules.tup
index 220dca8..d5f9be5 100644
--- a/Tuprules.tup
+++ b/Tuprules.tup
@@ -7,10 +7,13 @@ DIRENV = direnv exec .
 BIN_DIR = $(TUP_CWD)/bin
 SYNDICATE_PROTOCOL = $(TUP_CWD)/syndicate-nim/<protocol>
 
+NIM = $(TUP_CWD)/nim/bin/nim
+
 NIM_BACKEND = compile
-!nim = |> ^o nim compile %B^ $(DIRENV) nim $(NIM_BACKEND) --hints:off -o:%o %f |> %B
-!nim_run = |> ^o nim run %B^ $(DIRENV) nim c $(NIM_PATH) --hints:off -o:%o -r %f |> %B.run
-!nim_bin = |> ^o nim bin %B^ $(DIRENV) nim c $(NIM_PATH) --hints:off -o:%o %f |> $(BIN_DIR)/%B | $(BIN_DIR)/<%B>
+!nim = |> ^o nim compile %f^ $(DIRENV) $(NIM) compile $(NIM_FLAGS) $(NIM_FLAGS_%B) -o:%o %f |> %B
+!nim_run = |> ^o nim run %f^ $(DIRENV) $(NIM) compile $(NIM_FLAGS) $(NIM_FLAGS_%B) -o:%o -r %f |> %B.run
+!nim_bin = |> ^o nim bin %f^ $(DIRENV) $(NIM) compile $(NIM_FLAGS) $(NIM_FLAGS_%B) -o:%o %f |> $(BIN_DIR)/%B | $(BIN_DIR)/<%B>
+!nim_check = |> ^ nim doc %f^ $(DIRENV) $(NIM) doc $(NIM_FLAGS) $(NIM_FLAGS_%B) -o:%o %f |> %B.html
 
 !symlink = |> ln -s %f %o |>
 
diff --git a/cbor b/cbor
index 680d76f..a7a67af 160000
--- a/cbor
+++ b/cbor
@@ -1 +1 @@
-Subproject commit 680d76fc0b01964a5af36a2b61670bcea9137851
+Subproject commit a7a67afa11f15afa385e3c0b49ea0ce4946b5e84
diff --git a/freedesktop_org b/freedesktop_org
index fb04d08..2e83d90 160000
--- a/freedesktop_org
+++ b/freedesktop_org
@@ -1 +1 @@
-Subproject commit fb04d0862aca4be2edcc0eafa94b1840030231c8
+Subproject commit 2e83d90313ab875db4941d8424c48a52126b0e69
diff --git a/getdns b/getdns
index 217fc92..1748023 160000
--- a/getdns
+++ b/getdns
@@ -1 +1 @@
-Subproject commit 217fc92e7546f8f2d31f7d1c021dd011fc3a2332
+Subproject commit 1748023c0317f7d14868328a6a8e9aac9b0434f1
diff --git a/nim b/nim
index 1aa9273..653724d 160000
--- a/nim
+++ b/nim
@@ -1 +1 @@
-Subproject commit 1aa9273640c0c51486cf3a7b67282fe58f360e91
+Subproject commit 653724d48d5cb9ca31d8416b835f5735460dba0b
diff --git a/preserves-nim b/preserves-nim
index 8ff6548..b38b85a 160000
--- a/preserves-nim
+++ b/preserves-nim
@@ -1 +1 @@
-Subproject commit 8ff65486fff3364a0889856c112e41bcbf68ffde
+Subproject commit b38b85a8f1899ebca381261bd382d4d0e513621d
diff --git a/taps b/taps
index 7421a2f..73b560d 160000
--- a/taps
+++ b/taps
@@ -1 +1 @@
-Subproject commit 7421a2f47039a986113afb7455d02934c8884c37
+Subproject commit 73b560d3c8fb7b39a3e30f6f6cdb61592fc163af
diff --git a/tkrzw b/tkrzw
index efd87ed..90bd457 160000
--- a/tkrzw
+++ b/tkrzw
@@ -1 +1 @@
-Subproject commit efd87edb7b063182c1a1fa018006a87b515d589b
+Subproject commit 90bd457a4d33f4d1adac88d3b17eb3212c595d92