Hi, Not sure where to send this so thought I'd try here to see if anyone has the same trouble. I'm new to nix and new to Yesod and trying to build the default Yesod project with 'yesod devel' in a new shell.
My steps are: 1. Create a new directory with default.nix: { haskellPackages ? (import <nixpkgs> {}).haskellPackages }: let inherit (haskellPackages); in with haskellPackages; cabal.mkDerivation (self: { pname = "cal"; version = "0.0.1"; src = ./.; buildDepends = with haskellPackages; [ yesod yesodStatic yesodTest yesodBin hjsmin persistentSqlite hspec ]; buildTools = with haskellPackages; [ cabalInstall ]; }) 2. Run 'nix-shell' 3. Run 'yesod init' & fill in <project-name> 4. 'cd <project-name>' 5. 'yesod devel' Fails with: Yesod devel server. Press ENTER to quit Resolving dependencies... Configuring tmp-0.0.0... Forcing recompile for ./Foundation.hs because of config/routes Forcing recompile for ./Foundation.hs because of messages/en.msg Forcing recompile for ./Foundation.hs because of templates/default-layout-wrapper.hamlet Forcing recompile for ./Foundation.hs because of templates/default-layout.hamlet Forcing recompile for ./Handler/Home.hs because of templates/homepage.hamlet Forcing recompile for ./Handler/Home.hs because of templates/homepage.julius Forcing recompile for ./Handler/Home.hs because of templates/homepage.lucius Rebuilding application... (using cabal) ghc: panic! (the 'impossible' happened) (GHC version 7.8.3 for x86_64-unknown-linux): Loading temp shared object failed: /run/user/1000/ghc11470_0/ghc11470_25.so: failed to map segment from shared object: Operation not permitted Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug Is anyone in a position to offer advice? I've run: nix-channel --update as well to hopefully get the latest? Any help would be much appreciated, Michael
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