If the build environment is managed by an MSYS2 installation, then the MinGW64 shell startup script automatically sets up "MSYSTEM" for you. It can be launched like "C:\msys64\msys2_shell.cmd -mingw64 -mintty". Well I just followed the Method A instructions at https://ghc.haskell.org/trac/ghc/wiki/Building/Preparation/Windows
Are you saying that I should run “C:\msys64\msys2_shell.cmd -mingw64 -mintty" just once, after installing? Or repeatedly? Or that I should somehow us it as my main shell? And what does that commend actually do? Sorry to be dense Simon From: ghc-devs <[email protected]> On Behalf Of Shao, Cheng Sent: 26 March 2018 10:59 To: [email protected] Subject: Re: Windows Hi Simon, If the build environment is managed by an MSYS2 installation, then the MinGW64 shell startup script automatically sets up "MSYSTEM" for you. It can be launched like "C:\msys64\msys2_shell.cmd -mingw64 -mintty". On Mon, Mar 26, 2018 at 5:46 PM, Simon Peyton Jones via ghc-devs <[email protected]<mailto:[email protected]>> wrote: Making it part of the error message would be v helpful. I have added a section to "Troubleshooting" on https://ghc.haskell.org/trac/ghc/wiki/Building/Preparation/Windows But it should really be part of the instructions higher up to sa export MSYSTEM=MINGW64 Might someone do that? I wasn't quite sure where Simon | -----Original Message----- | From: ghc-devs <[email protected]<mailto:[email protected]>> On Behalf Of Ben Gamari | Sent: 24 March 2018 16:42 | To: Gabor Greif <[email protected]<mailto:[email protected]>>; [email protected]<mailto:[email protected]> | Cc: [email protected]<mailto:[email protected]> | Subject: Re: Windows | | Gabor Greif <[email protected]<mailto:[email protected]>> writes: | | > Just an idea... | > | > could this hint be part of the `configure` error message? | > | Indeed. See D4526. | | Cheers, | | - Ben _______________________________________________ ghc-devs mailing list [email protected]<mailto:[email protected]> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
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