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When ghc is not in path, clash won't run (with horrible error message) #104

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ggreif opened this issue Dec 18, 2015 · 1 comment
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When ghc is not in path, clash won't run (with horrible error message) #104

ggreif opened this issue Dec 18, 2015 · 1 comment

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@ggreif
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ggreif commented Dec 18, 2015

Issue #82 describes a problem where clash queried the "wrong" GHC. This time it would query the right one, but (if) it is not in path, so it fails with

fd:5: hGetLine: end of file

This is a rather low-prio bug, I just handed over a full pathname to clash to another colleague and he could not start it. Turned out that he had to add my ~/bin to his path.

Catching this error and issuing a nice error message along the lines of Could not invoke the GHC compiler that CLaSH was built with. Make sure it is in your $PATH would be a big plus.
@christiaanb
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You should now get:

~/devel/clash-compiler(master *) $ ./clash-ghc/.stack-work/dist/x86_64-linux/Cabal-1.22.4.0/build/clash/clash --interactive
CLaSH needs the GHC compiler it was build with, ghc-7.10.2, but it was not found. Make sure its location is in your PATH variable.

christiaanb pushed a commit that referenced this issue Sep 6, 2018
@cbiffle
regEn: allow enable to depend on output
416f30c 
This uses a lazy pattern to delay deconstruction of the enable signal
until after the current value has been yielded.

Fixes #104
leonschoorl pushed a commit that referenced this issue Jul 31, 2023
@lmbollen
add scatter gather configs (#104)
fc5d3f4
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@christiaanb @ggreif