Neil Mitchell

Fail to build with zero.o

2

I got the error message: ``` hadrian.EXE: _build/stage1/gmp/objs/zero.o: openFile: does not exist (No such file or directory) hc.hs: Failed when running system command: hadrian\build.bat -j --flavour=quickest --configure CallStack (from HasCallStack):...

Optimise the build

54

Using the Shake profiling I generated the following plot when building on an 8 Core windows machine with `-j8`.  The two single threaded bits of the build are the...

Add a clean check

26

A `phony "clean"` which removes everything would be very useful to test issues where the build system is likely reporting an old issue and needs a wipe.

Improve the zero build time

7

Zero build time is currently non-zero. I should fix that. See https://github.com/snowleopard/shaking-up-ghc/issues/218 for some initial analysis.

Failure to parse manifest file

11

Given: ``` cargo-features = ['named-profiles'] [workspace] members = [ "foo", ] ``` I get the error: ``` ndmitchell@ndmitchell-mbp buck2 % cargo instruments failed to parse manifest at `/Users/ndmitchell/fbsource/fbcode/buck2/Cargo.toml` ``` It...

After generating a grammar with lalrpop 0.18.1 the resulting file contains a number of `pub` entires: * `pub struct __StateMachine` * `pub trait __ToTriple` * `pub enum __Symbol` These leak...

Incorrect error about orphan instances due to ghc session module loading

5

Given Ghcide HEAD, Windows, GHC 8.6.5, 64bit, VS Code and HLint HEAD (https://github.com/ndmitchell/hlint 90dde61ab2039597709e20f444a369d3a1f791b5) I get an error. `ghcide` on the command line works fine. However,, if I: * Open...

Regex and token prefix causes error match

7

I'm trying to lex the Python language, which has the keyword `not` and the separate keyword `not in` (which may have arbitrary spaces between the `not` and `in`). My attempt...

In Hoogle, if you search for `FunBind` the first result links to https://hackage.haskell.org/package/ghc/docs/Language-Haskell-Syntax-Binds.html#v:FunBind. The URL https://hackage.haskell.org/package/ghc takes me to GHC 9.2.3, which is the second-latest version, as the subsequent ghc-9.2.3.20220620...

Document OS compatibility

3

Does this work on Windows? An immediate question for someone coming to the project, and I couldn't tell. My guess is no, as it has an unconditional dependency on unix?...