nixpkgs/pkgs/development/compilers/binaryen/default.nix

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{ stdenv, cmake, python3, fetchFromGitHub, emscriptenRev ? null, substituteAll }:
let
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defaultVersion = "95";
# Map from git revs to SHA256 hashes
sha256s = {
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version_95 = "1w4js9bm5qv5aws8bzz4f0n3ni2l7h4fidkq9v5bldf0zxncy8m3";
"1.39.1" = "0ygm9m5322h4vfpf3j63q32qxk2l26yk62hh7dkb49j51zwl1y3y";
};
in
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stdenv.mkDerivation rec {
version = if emscriptenRev == null
then defaultVersion
else "emscripten-${emscriptenRev}";
rev = if emscriptenRev == null
then "version_${version}"
else emscriptenRev;
pname = "binaryen";
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src = fetchFromGitHub {
owner = "WebAssembly";
repo = "binaryen";
sha256 =
if builtins.hasAttr rev sha256s
then builtins.getAttr rev sha256s
else null;
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inherit rev;
};
patches = stdenv.lib.optional (emscriptenRev != null) (substituteAll {
src = ./0001-Get-rid-of-git-dependency.patch;
emscriptenv = "1.39.1";
});
nativeBuildInputs = [ cmake python3 ];
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meta = with stdenv.lib; {
homepage = "https://github.com/WebAssembly/binaryen";
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description = "Compiler infrastructure and toolchain library for WebAssembly, in C++";
platforms = platforms.all;
maintainers = with maintainers; [ asppsa ];
license = licenses.asl20;
};
}