55 lines
1.6 KiB
Elixir
55 lines
1.6 KiB
Elixir
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defmodule CCPrecompiler.UniversalBinary do
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@moduledoc """
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Build a universal binary on macOS
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## Example
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"macos-universal" => {
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:script, "", {CCPrecompiler.UniversalBinary, []}
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}
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"""
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@behaviour CCPrecompiler.CompilationScript
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@impl CCPrecompiler.CompilationScript
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def compile(_app, _version, _nif_version, _target, args, _custom_args) do
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config = Mix.Project.config()
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app_priv = Path.join(Mix.Project.app_path(config), "priv")
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make_precompiler_filename = config[:make_precompiler_filename] || "nif"
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nif_file = "#{make_precompiler_filename}.so"
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compiled_bin = Path.join(app_priv, nif_file)
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x86_64_bin = Path.join(app_priv, "#{make_precompiler_filename}_x86_64.so")
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aarch64_bin = Path.join(app_priv, "#{make_precompiler_filename}_aarch64.so")
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File.rm(compiled_bin)
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# first we compile `x86_64-apple-darwin`
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:ok = System.put_env("CC", "gcc -arch x86_64")
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System.put_env("CXX", "gcc -arch x86_64")
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System.put_env("CPP", "g++ -arch x86_64")
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ElixirMake.Compiler.compile(args)
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File.rename!(compiled_bin, x86_64_bin)
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# then we compile `aarch64-apple-darwin`
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System.put_env("CC", "gcc -arch arm64")
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System.put_env("CXX", "gcc -arch arm64")
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System.put_env("CPP", "g++ -arch arm64")
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ElixirMake.Compiler.compile(args)
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File.rename!(compiled_bin, aarch64_bin)
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{_, exit_status} =
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System.cmd("lipo", ["-create", "-output", compiled_bin, x86_64_bin, aarch64_bin])
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File.rm!(x86_64_bin)
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File.rm!(aarch64_bin)
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if exit_status == 0 do
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:ok
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else
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Mix.raise("Failed to create universal binary")
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end
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end
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end
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