Unverified Commit 9cc5b1ec authored by Alex Tunstall's avatar Alex Tunstall
Browse files

ghc: Fix regression in unregisterised builds 

The default GCC compiler in Nixpkgs was recently changed, bringing in a
new default C standard (gnu23), which GHC's C backend is not compatible
with.
This fix adds a flag to force GCC to use an older compatible C standard.
parent e7136c15

pkgs/development/compilers/ghc/common-make-native-bignum.nix

+2 −0
Original line number Diff line number Diff line
@@ -536,6 +536,8 @@ stdenv.mkDerivation ( 
    ]

    ++ lib.optionals enableUnregisterised [

      "--enable-unregisterised"

      # The C backend generates code incompatible with gnu23

      "CONF_CC_OPTS_STAGE2=-std=gnu17"

    ];



    # Make sure we never relax`$PATH` and hooks support for compatibility.