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{ newScope, stdenv, binutils-raw, wrapCCWith, symlinkJoin }:
let
callPackage = newScope (self // {inherit stdenv;});
self = {
emscriptenfastcomp-unwrapped = callPackage ./emscripten-fastcomp.nix {};
emscriptenfastcomp-wrapped = wrapCCWith {
cc = self.emscriptenfastcomp-unwrapped;
# Never want Apple's cctools for WASM target
bintools = binutils-raw;
libc = stdenv.cc.libc;
extraBuildCommands = ''
# hardening flags break WASM support
cat > $out/nix-support/add-hardening.sh
'';
};
emscriptenfastcomp = symlinkJoin {
name = "emscriptenfastcomp";
paths = [ self.emscriptenfastcomp-wrapped self.emscriptenfastcomp-unwrapped ];
preferLocalBuild = false;
allowSubstitutes = true;
postBuild = ''
# replace unwrapped clang-3.9 binary by wrapper
ln -sf $out/bin/clang $out/bin/clang-[0-9]*
'';
};
};
in self
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