nixpkgs/pkgs/development/r-modules/generic-builder.nix
Andrew Marshall 64c1e6a08c rPackages: Support building in parallel, do so by default
Some rPackages (e.g. duckdb) take a *very* long time to build without
any parallelization.
2024-04-30 18:18:36 -04:00

58 lines
1.6 KiB
Nix

{ stdenv, lib, R, libcxx, xvfb-run, util-linux, Cocoa, Foundation, gettext, gfortran, libiconv }:
{ name, buildInputs ? [], requireX ? false, ... } @ attrs:
stdenv.mkDerivation ({
buildInputs = buildInputs ++ [R gettext] ++
lib.optionals requireX [util-linux xvfb-run] ++
lib.optionals stdenv.isDarwin [Cocoa Foundation gfortran libiconv];
env.NIX_CFLAGS_COMPILE =
lib.optionalString stdenv.isDarwin "-I${lib.getDev libcxx}/include/c++/v1";
enableParallelBuilding = true;
configurePhase = ''
runHook preConfigure
export MAKEFLAGS+="''${enableParallelBuilding:+-j$NIX_BUILD_CORES}"
export R_LIBS_SITE="$R_LIBS_SITE''${R_LIBS_SITE:+:}$out/library"
runHook postConfigure
'';
buildPhase = ''
runHook preBuild
runHook postBuild
'';
installFlags = if attrs.doCheck or true then
[]
else
[ "--no-test-load" ];
rCommand = if requireX then
# Unfortunately, xvfb-run has a race condition even with -a option, so that
# we acquire a lock explicitly.
"flock ${xvfb-run} xvfb-run -a -e xvfb-error R"
else
"R";
installPhase = ''
runHook preInstall
mkdir -p $out/library
$rCommand CMD INSTALL --built-timestamp='1970-01-01 00:00:00 UTC' $installFlags --configure-args="$configureFlags" -l $out/library .
runHook postInstall
'';
postFixup = ''
if test -e $out/nix-support/propagated-build-inputs; then
ln -s $out/nix-support/propagated-build-inputs $out/nix-support/propagated-user-env-packages
fi
'';
checkPhase = ''
# noop since R CMD INSTALL tests packages
'';
} // attrs // {
name = "r-" + name;
})