Working version

example/README.md

-Test

flake.nix

@@ -18,7 +18,7 @@
     load = p: n: {
       "${n}" =
         p.callCabal2nixWithOptions n
-        "${self}/${n}" "" {};
+        (nix-filter.lib {root = "${self}/${n}";}) "" {};
     };
     packages = final: p:
       {

rtree-c/package.yaml

@@ -10,6 +10,11 @@ ghc-options: -Wall -fno-warn-incomplete-uni-patterns
 dependencies:
   - base >= 4.9 && < 5
   - rtree
+  - containers
+  - mtl
+  - vector
+  - pretty-simple
+  - transformers
   - language-c
 
 library:

rtree-c/rtree-c.cabal

@@ -18,8 +18,13 @@ library
   ghc-options: -Wall -fno-warn-incomplete-uni-patterns
   build-depends:
       base >=4.9 && <5
+    , containers
     , language-c
+    , mtl
+    , pretty-simple
     , rtree
+    , transformers
+    , vector
   default-language: Haskell2010
 
 executable rtree-c
@@ -32,16 +37,21 @@ executable rtree-c
   build-depends:
       base >=4.9 && <5
     , co-log
+    , containers
     , directory
     , filepath
     , language-c
+    , mtl
     , optparse-applicative
     , pretty
+    , pretty-simple
     , rtree
     , rtree-c
     , text
     , time
+    , transformers
     , typed-process
+    , vector
   default-language: Haskell2010
 
 test-suite rtree-test
@@ -54,7 +64,12 @@ test-suite rtree-test
   ghc-options: -Wall -fno-warn-incomplete-uni-patterns
   build-depends:
       base >=4.9 && <5
+    , containers
     , language-c
+    , mtl
+    , pretty-simple
     , rtree
     , rtree-c
+    , transformers
+    , vector
   default-language: Haskell2010