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dyld is not supplied as argument to ccWrapper #68

Closed adnelson closed 9 years ago

adnelson commented 9 years ago

When building gfortran and other packages which make use of ccWrapper, it's attempting to coerce a null (dyld) to a string:

$ nix-env -f $HOME/pure-darwin -iA gfortran
installing ‘gfortran-wrapper-4.8.4’
error: cannot coerce null to a string, at "/Users/anelson/pure-darwin/pkgs/build-support/cc-wrapper/default.nix":249:50
(use ‘--show-trace’ to show detailed location information)

Looking at the source, dyld is an optional argument in cc-wrapper/default.nix, and is used in the definition of dynamicLinker:

  dynamicLinker =
    if !nativeLibc then
      (if stdenv.system == "i686-linux" then "ld-linux.so.2" else
       if stdenv.system == "x86_64-linux" then "ld-linux-x86-64.so.2" else
       # ARM with a wildcard, which can be "" or "-armhf".
       if stdenv.isArm then "ld-linux*.so.3" else
       if stdenv.system == "powerpc-linux" then "ld.so.1" else
       if stdenv.system == "mips64el-linux" then "ld.so.1" else
       if stdenv.system == "x86_64-darwin" then "${dyld}/lib/dyld" else
       abort "Don't know the name of the dynamic linker for this platform.")
    else "";

However, in the definition of gfortran, we eventually find our way to this:

wrapCCWith = ccWrapper: libc: baseCC: ccWrapper {
    nativeTools = stdenv.cc.nativeTools or false;
    nativeLibc = stdenv.cc.nativeLibc or false;
    nativePrefix = stdenv.cc.nativePrefix or "";
    cc = baseCC;
    libc = libc;
    inherit stdenv binutils coreutils zlib;
  };

Where the ccWrapper is being supplied as cc-wrapper. So, it seems we're not passing a dyld argument in. Unfortunately I've been unable to figure out where to find such an object to pass it. It doesn't seem to exist in stdenv.