pkgs/os-specific/darwin/apple-source-releases/ICU/default.nix


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{ appleDerivation }:

appleDerivation {
  patches = [ ./clang-5.patch ];

  postPatch = ''
    substituteInPlace makefile \
      --replace /usr/bin/ "" \
      --replace '$(ISYSROOT)' "" \
      --replace 'shell xcodebuild -version -sdk' 'shell true' \
      --replace 'shell xcrun -sdk $(SDKPATH) -find' 'shell echo' \
      --replace '-install_name $(libdir)' "-install_name $out/lib/" \
      --replace /usr/local/bin/ /bin/ \
      --replace /usr/lib/ /lib/ \
  '';

  makeFlags = [ "DSTROOT=$(out)" ];

  postInstall = ''
    mv $out/usr/local/include $out/include
    rm -rf $out/usr
  '';
}