Commit 59ede8c2 authored by David McFarland's avatar David McFarland
Browse files

jam: fix OS determination on linux

parent b69e2e84

pkgs/by-name/ja/jam/package.nix

+20 −15
Original line number Diff line number Diff line
@@ -49,12 +49,17 @@ stdenv.mkDerivation (finalAttrs: { 
    export AR="$AR rc"

  '';



  postPatch =

    ''

      substituteInPlace jam.h --replace-fail 'ifdef linux' 'ifdef __linux__'

    ''

    +

      # When cross-compiling, we need to set the preprocessor macros

      # OSMAJOR/OSMINOR/OSPLAT to the values from the target platform, not the host

      # platform. This looks a little ridiculous because the vast majority of build

      # tools don't embed target-specific information into their binary, but in this

      # case we behave more like a compiler than a make(1)-alike.

  postPatch = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) ''

      lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) ''

         cat >>jam.h <<EOF

         #undef OSMAJOR

         #undef OSMINOR