@@ -54,8 +54,21 @@ with the following content:
5454cradle: {cabal: {component: "mylibrary"}}
5555```
5656
57+If you are using stack, find the list of names you can use:
58+
59+ $ stack ide targets
60+ mypackage:lib
61+ mypackage:exe:mypackage-exe
62+ mypackage:test:mypackage-test
63+
64+and create a `hie.yaml` file as follows:
65+
66+ {stack: {component: "mypackage:lib"}}
67+
5768## ghc: readCreateProcess: does not exist
5869
70+On Linux: try `stack exec ghcide`` instead of `ghcide` directly.
71+
5972I was getting this in Windows: `ghcide.exe: ghc: readCreateProcess: does not exist (No such file or directory)`
6073
6174And we figured a hack around for this:
@@ -69,7 +82,21 @@ Since I use stack. Required if you don't have a `ghc` on your path.
6982
7083## Could not find module ...
7184
72−Try adding an explicit hie.yaml file and see if that helps.
85+Try adding an explicit `hie.yaml` file and see if that helps.
86+
87+## Ambiguous main module
88+
89+```console
90+$ stack exec ghcide
91+
92+...
93+
94+ghcide: CradleError (ExitFailure 1) ["Failed to parse result of calling stack","","* * * * * * * *","The main module to load is ambiguous. Candidates are: ","1. Package `mypackage' component mypackage:exe:mypackage-exe with main-is file: /home/user/mypackage/app/Main.hs","2. Package `mypackage' component mypackage:exe:otherbin-exe with main-is file: /home/user/mypackage/app/otherbin.hs","You can specify which one to pick by: "," * Specifying targets to stack ghci e.g. stack ghci mypackage:exe:mypackage-exe"," * Specifying what the main is e.g. stack ghci --main-is mypackage:exe:mypackage-exe"," * Choosing from the candidate above [1..2]","* * * * * * * *","","<stdin>: hGetLine: end of file"]
95+```
96+
97+Add a `hie.yaml` file to specify the module, e.g.
98+
99+ cradle: {stack: {component: "mypackage:exe:mypackage-exe"}}
73100
74101## Works in `ghcide` but not my editor
75102