Re: [Haskell-cafe] Using GHC option '-optl-static' causes segfault

It's pretty weird that program compiled with '-optl-static' runs just well on my server Ubuntu 18.04.2 LTS (GNU/Linux 4.15.0-48-generic x86_64), but failed running on my PC Archlinux (x86_64 Linux 5.5.8-arch1-1). Since there are static compiling problems with glibc, why is the GHC in stack is still built with ghlic instead of musl? On 3/10/20 11:24 AM, Vanessa McHale wrote:

I’ve run into that before; I think it arises because you can’t link statically against libc? In any case, trying to use network code fails with a segfault.

I think it is hard to work around; you need to build GHC against musl and then use that to compile your program.

Cheers, Vanessa

...

On Mar 9, 2020, at 9:32 PM, Nutr1t07 wrote:

Hi,

I added '-optl-static' in GHC option to make my program compiled statically. When I compiled the following code using 'stack build':

-- Main.hs

{-# LANGUAGE OverloadedStrings #-} module Main where

import Web.Scotty as Scotty import Network.Wreq as Wreq import Control.Monad.IO.Class

main :: IO () main = scotty 8443 $ do Scotty.get (literal "/") $ do _ <- liftIO $ Wreq.get "https://www.google.com/" html "Could not see this"

--

Ran the compiled program and accessing "http://localhost:8443" would raise a segmentation fault.

Here are what in my 'ghc-option':

ghc-options: - -optl-static - -threaded - -rtsopts - -with-rtsopts=-N

Then I removed the '-optl-static', compiled it, and the program ran well.

It seems that it something has to do with glibc. What can I do with this problem?

Regards

PS. I'm using GHC 8.8.2, stack 2.1.3

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