Add sample Stack setup to the hacking guide.

1 files changed, 22 insertions, 2 deletions

diff --git a/README.md b/README.md
index 08b960de..367b70e8 100644
--- a/README.md
+++ b/README.md
@@ -48,12 +48,20 @@ Please create issues when you have any problems and pull requests if you have so
 
 ###### Hacking
 
-To get started you'll need a latest GHC release installed. Below is an
-example setup using cabal sandboxes.
+To get started you'll need a latest GHC release installed.
+
+Clone the repository:
 
 ```bash
   git clone https://github.com/haskell/haddock.git
   cd haddock
+```
+
+and then proceed using your favourite build tool.
+
+####### Using Cabal sandboxes
+
+```bash
   cabal sandbox init
   cabal sandbox add-source haddock-library
   cabal sandbox add-source haddock-api
@@ -63,9 +71,21 @@ example setup using cabal sandboxes.
   cabal configure --enable-tests
   cabal build -j4
   # run the test suite
+  export HADDOCK_PATH="dist/build/haddock/haddock"
   cabal test
 ```
 
+####### Using Stack
+
+```bash
+  stack init
+  stack install
+  # run the test suite
+  export HADDOCK_PATH="$HOME/.local/bin/haddock"
+  stack test
+```
+
+
 If you're a GHC developer and want to update Haddock to work with your
 changes, you should be working on `ghc-head` branch instead of master.
 See instructions at