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arrow-cpp: add commentary for vendored jemalloc and mimalloc

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Phillip Cloud 2022-08-04 07:57:27 -04:00
parent cf192f5db1
commit 56e9e52cc2
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1 changed files with 4 additions and 1 deletions
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pkgs/development/libraries/arrow-cpp/default.nix
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@ -78,13 +78,16 @@ stdenv.mkDerivation rec {
sourceRoot = "apache-arrow-${version}/cpp";
# versions are all taken from
# https://github.com/apache/arrow/blob/apache-arrow-8.0.0/cpp/thirdparty/versions.txt
# https://github.com/apache/arrow/blob/apache-arrow-${version}/cpp/thirdparty/versions.txt
# jemalloc: arrow uses a custom prefix to prevent default allocator symbol
# collisions as well as custom build flags
${if enableJemalloc then "ARROW_JEMALLOC_URL" else null} = fetchurl {
url = "https://github.com/jemalloc/jemalloc/releases/download/5.3.0/jemalloc-5.3.0.tar.bz2";
hash = "sha256-LbgtHnEZ3z5xt2QCGbbf6EeJvAU3mDw7esT3GJrs/qo=";
};
# mimalloc: arrow uses custom build flags for mimalloc
ARROW_MIMALLOC_URL = fetchFromGitHub {
owner = "microsoft";
repo = "mimalloc";