96 lines
2.3 KiB
Nix
96 lines
2.3 KiB
Nix
{ lib
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, stdenv
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, fetchFromGitHub
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, python3
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, stanc
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, buildPackages
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, runtimeShell
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, runCommandCC
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, cmdstan
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}:
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stdenv.mkDerivation rec {
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pname = "cmdstan";
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version = "2.34.1";
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src = fetchFromGitHub {
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owner = "stan-dev";
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repo = pname;
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rev = "v${version}";
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fetchSubmodules = true;
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hash = "sha256-gze8kd5zSs9nUlSY7AJwpx+jnc9Y21ahzDJmynlqm1Y=";
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};
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postPatch = ''
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substituteInPlace stan/lib/stan_math/make/libraries \
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--replace "/usr/bin/env bash" "bash"
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'';
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nativeBuildInputs = [
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python3
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stanc
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];
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preConfigure = ''
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patchShebangs test-all.sh runCmdStanTests.py stan/
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''
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# Fix inclusion of hardcoded paths in PCH files, by building in the store.
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+ ''
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mkdir -p $out/opt
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cp -R . $out/opt/cmdstan
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cd $out/opt/cmdstan
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mkdir -p bin
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ln -s ${buildPackages.stanc}/bin/stanc bin/stanc
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'';
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makeFlags = [
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"build"
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] ++ lib.optionals stdenv.isDarwin [
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"arch=${stdenv.hostPlatform.darwinArch}"
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];
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# Disable inclusion of timestamps in PCH files when using Clang.
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env.CXXFLAGS = lib.optionalString stdenv.cc.isClang "-Xclang -fno-pch-timestamp";
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enableParallelBuilding = true;
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installPhase = ''
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runHook preInstall
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mkdir -p $out/bin
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ln -s $out/opt/cmdstan/bin/stanc $out/bin/stanc
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ln -s $out/opt/cmdstan/bin/stansummary $out/bin/stansummary
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cat > $out/bin/stan <<EOF
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#!${runtimeShell}
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make -C $out/opt/cmdstan "\$(realpath "\$1")"
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EOF
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chmod a+x $out/bin/stan
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runHook postInstall
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'';
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passthru.tests = {
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test = runCommandCC "cmdstan-test" { } ''
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cp -R ${cmdstan}/opt/cmdstan cmdstan
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chmod -R +w cmdstan
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cd cmdstan
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./runCmdStanTests.py -j$NIX_BUILD_CORES src/test/interface
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touch $out
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'';
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};
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meta = with lib; {
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description = "Command-line interface to Stan";
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longDescription = ''
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Stan is a probabilistic programming language implementing full Bayesian
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statistical inference with MCMC sampling (NUTS, HMC), approximate Bayesian
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inference with Variational inference (ADVI) and penalized maximum
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likelihood estimation with Optimization (L-BFGS).
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'';
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homepage = "https://mc-stan.org/interfaces/cmdstan.html";
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license = licenses.bsd3;
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maintainers = with maintainers; [ wegank ];
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platforms = platforms.unix;
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};
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}
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