Hi Thomas, in case you can install ghc via your package manager or other means, you can use the system-ghc option to make stack use that one:
https://docs.haskellstack.org/en/latest/yaml_configuration/#system-ghc Hope that helps, Simon 2018-05-24 15:53 GMT+02:00 Thomas Løcke <thomas.granv...@gmail.com>: > This is the output I get with 1.6.5: > > thomas@ultra27:~/vcs/my-project$ stack setup --verbose > Version 1.6.5, Git revision 24ab0d6ff07f28276e082c3ce74dfdeb1a2ca9e9 > (5514 commits) x86_64 hpack-0.20.0 > 2018-05-24 15:41:23.618219: [debug] Checking for project config at: > /home/thomas/vcs/my-project/stack.yaml > @(Stack/Config.hs:842:9) > 2018-05-24 15:41:23.618430: [debug] Loading project config file stack.yaml > @(Stack/Config.hs:868:13) > 2018-05-24 15:41:23.619983: [debug] Decoding build plan from: > /home/thomas/.stack/build-plan/lts-11.10.yaml > @(Stack/Snapshot.hs:150:5) > 2018-05-24 15:41:23.620056: [debug] Trying to decode > /home/thomas/.stack/build-plan-cache/lts-11.10.cache > @(Data/Store/VersionTagged.hs:66:5) > 2018-05-24 15:41:23.626258: [debug] Success decoding > /home/thomas/.stack/build-plan-cache/lts-11.10.cache > @(Data/Store/VersionTagged.hs:70:13) > 2018-05-24 15:41:23.626698: [debug] Run process: /sbin/ldconfig -p > @(System/Process/Log.hs:37:3) > 2018-05-24 15:41:23.630167: [debug] Process finished in 3ms: > /sbin/ldconfig -p > @(System/Process/Log.hs:44:3) > 2018-05-24 15:41:23.630393: [debug] Run process: /usr/bin/gcc -v > @(System/Process/Log.hs:37:3) > 2018-05-24 15:41:23.636082: [debug] Process finished in 5ms: /usr/bin/gcc > -v > @(System/Process/Log.hs:44:3) > 2018-05-24 15:41:23.636184: [debug] PIE enabled > @(Stack/Setup.hs:589:17) > 2018-05-24 15:41:23.637257: [debug] Did not find shared library > libtinfo.so.5 > @(Stack/Setup.hs:579:38) > 2018-05-24 15:41:23.637379: [debug] Did not find shared library > libtinfo.so.6 > @(Stack/Setup.hs:579:38) > 2018-05-24 15:41:23.637637: [debug] Did not find shared library > libncursesw.so.6 > @(Stack/Setup.hs:579:38) > 2018-05-24 15:41:23.637728: [debug] Found shared library libgmp.so.10 in > 'ldconfig -p' output > @(Stack/Setup.hs:565:29) > 2018-05-24 15:41:23.637858: [debug] Did not find shared library libgmp.so.3 > @(Stack/Setup.hs:579:38) > 2018-05-24 15:41:23.637922: [debug] Using standard GHC build > @(Stack/Setup.hs:617:9) > 2018-05-24 15:41:23.638499: [debug] Performing a sanity check on: > /home/thomas/.stack/programs/x86_64-linux/ghc-8.2.2/bin/ghc > @(Stack/Setup.hs:1587:5) > 2018-05-24 15:41:23.638648: [debug] Run process: > /home/thomas/.stack/programs/x86_64-linux/ghc-8.2.2/bin/ghc > /tmp/stack-sanity-check23909/Main.hs -no-user-package-db > @(System/Process/Log.hs:37:3) > 2018-05-24 15:41:24.270434: [debug] Process finished in 631ms: > /home/thomas/.stack/programs/x86_64-linux/ghc-8.2.2/bin/ghc > /tmp/stack-sanity-check23909/Main.hs -no-user-package-db > @(System/Process/Log.hs:44:3) > 2018-05-24 15:41:24.271186: [info] stack will use a sandboxed GHC it > installed > @(Stack/SetupCmd.hs:131:14) > 2018-05-24 15:41:24.271261: [info] For more information on paths, see > 'stack path' and 'stack exec env' > @(Stack/SetupCmd.hs:133:5) > 2018-05-24 15:41:24.271347: [info] To use this GHC and packages outside of > a project, consider using: > @(Stack/SetupCmd.hs:134:5) > 2018-05-24 15:41:24.271424: [info] stack ghc, stack ghci, stack runghc, or > stack exec > @(Stack/SetupCmd.hs:135:5) > > > and this is what I get on the same project with 1.7.1: > > thomas@ultra27:~/vcs/my-project$ stack setup --verbose > Version 1.7.1, Git revision 681c800873816c022739ca7ed14755e85a579565 > (5807 commits) x86_64 hpack-0.28.2 > 2018-05-24 15:40:39.662808: [debug] Checking for project config at: > /home/thomas/vcs/my-project/stack.yaml > @(src/Stack/Config.hs:850:9) > 2018-05-24 15:40:39.663624: [debug] Loading project config file stack.yaml > @(src/Stack/Config.hs:876:13) > 2018-05-24 15:40:39.666966: [debug] Decoding build plan from: > /home/thomas/.stack/build-plan/lts-11.10.yaml > @(src/Stack/Snapshot.hs:164:5) > 2018-05-24 15:40:39.667073: [debug] Trying to decode > /home/thomas/.stack/build-plan-cache/lts-11.10.cache > @(src/Stack/Snapshot.hs:156:32) > 2018-05-24 15:40:39.674519: [debug] Success decoding > /home/thomas/.stack/build-plan-cache/lts-11.10.cache > @(src/Stack/Snapshot.hs:156:32) > 2018-05-24 15:40:39.675266: [debug] Run process: /sbin/ldconfig -p > @(src/Stack/Setup.hs:580:22) > 2018-05-24 15:40:39.683033: [debug] Process finished in 8ms: > /sbin/ldconfig -p > @(src/Stack/Setup.hs:580:22) > 2018-05-24 15:40:39.684646: [debug] Did not find shared library > libtinfo.so.5 > @(src/Stack/Setup.hs:603:38) > 2018-05-24 15:40:39.684855: [debug] Did not find shared library > libtinfo.so.6 > @(src/Stack/Setup.hs:603:38) > 2018-05-24 15:40:39.684992: [debug] Did not find shared library > libncursesw.so.6 > @(src/Stack/Setup.hs:603:38) > 2018-05-24 15:40:39.685106: [debug] Found shared library libgmp.so.10 in > 'ldconfig -p' output > @(src/Stack/Setup.hs:589:29) > 2018-05-24 15:40:39.685252: [debug] Did not find shared library libgmp.so.3 > @(src/Stack/Setup.hs:603:38) > 2018-05-24 15:40:39.685324: [debug] Potential GHC builds: > @(src/Stack/Setup.hs:632:9) > 2018-05-24 15:40:39.685393: [debug] Found already installed GHC builds: > @(src/Stack/Setup.hs:458:13) > I don't know how to install GHC on your system configuration, please > install manually > > > :o) > > Den tor. 24. maj 2018 kl. 15.35 skrev IC Rainbow <ic.r...@gmail.com>: > >> Did a quick code search and traced the culprit to https://github.com/ >> commercialhaskell/stack/blob/28cb09e756ec19dd4acae4f1069db6 >> 1784bc8aae/src/Stack/Setup.hs#L444 >> >> Try running `stack setup --verbose`, maybe it'll give you (and us) a hint >> about what exactly it tries to find or how it detects your system now and >> at 1.6. >> >> On Thu, May 24, 2018 at 4:22 PM Thomas Løcke <thomas.granv...@gmail.com> >> wrote: >> >>> Hi all >>> >>> Since upgrading from 1.6.5 to 1.7.1 stack no longer works. When I try to >>> build my projects, all I get is a "*I don't know how to install GHC on >>> your system configuration, please install manually*" message. >>> >>> I've been using stack for a little over a year, and this is a first for >>> me. I've no idea how to fix it. >>> >>> I use Slackware 14.2 on all my systems. The problem persists on all >>> systems. >>> >>> Any and all advice is more than welcome. :o) >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "haskell-stack" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to haskell-stack+unsubscr...@googlegroups.com. >>> To post to this group, send email to haskell-stack@googlegroups.com. >>> To view this discussion on the web visit https://groups.google.com/d/ >>> msgid/haskell-stack/2a7f49c2-bc0f-405d-8269-92df30a73621% >>> 40googlegroups.com >>> <https://groups.google.com/d/msgid/haskell-stack/2a7f49c2-bc0f-405d-8269-92df30a73621%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> -- > You received this message because you are subscribed to the Google Groups > "haskell-stack" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to haskell-stack+unsubscr...@googlegroups.com. > To post to this group, send email to haskell-stack@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/haskell-stack/CAHJ5xP%3DR_DA-Xu5LS5MR_SMC2Mg4jChzSJV3Qy0SBCLQ5FvPvA% > 40mail.gmail.com > <https://groups.google.com/d/msgid/haskell-stack/CAHJ5xP%3DR_DA-Xu5LS5MR_SMC2Mg4jChzSJV3Qy0SBCLQ5FvPvA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "haskell-stack" group. 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