nixpkgs/pkgs/development/libraries/libclc/default.nix

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{ lib, stdenv, fetchFromGitHub, python3, llvmPackages }:
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let
llvm = llvmPackages.llvm;
clang = llvmPackages.clang;
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clang-unwrapped = llvmPackages.clang-unwrapped;
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in
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stdenv.mkDerivation {
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name = "libclc-2019-06-09";
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src = fetchFromGitHub {
owner = "llvm-mirror";
repo = "libclc";
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rev = "9f6204ec04a8cadb6bef57caa71e3161c4f398f2";
sha256 = "03l9frx3iw3qdsb9rrscgzdwm6872gv6mkssvn027ndf9y321xk7";
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};
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nativeBuildInputs = [ python3 llvm ];
strictDeps = true;
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postPatch = ''
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sed -i 's,llvm_clang =.*,llvm_clang = "${clang-unwrapped}/bin/clang",' configure.py
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sed -i 's,cxx_compiler =.*,cxx_compiler = "${clang}/bin/clang++",' configure.py
'';
configurePhase = ''
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${python3.interpreter} ./configure.py --prefix=$out
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'';
enableParallelBuilding = true;
meta = with lib; {
homepage = "http://libclc.llvm.org/";
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description = "Implementation of the library requirements of the OpenCL C programming language";
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license = licenses.mit;
platforms = platforms.all;
};
}