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{ lib
, stdenv
, jemalloc
, writeText
, unprefixed ? false
}:
let
# On some platforms the unprefixed feature will be ignored:
# https://github.com/tikv/jemallocator/blob/ab0676d77e81268cd09b059260c75b38dbef2d51/jemalloc-sys/src/env.rs
unprefixed' = unprefixed && !stdenv.hostPlatform.isMusl && !stdenv.hostPlatform.isDarwin && !stdenv.hostPlatform.isAndroid;
in jemalloc.overrideAttrs (oldAttrs: {
configureFlags = oldAttrs.configureFlags ++ [
"--with-private-namespace=_rjem_"
] ++ lib.optionals (!unprefixed') [
"--with-jemalloc-prefix=_rjem_"
];
setupHook = writeText "setup-hook.sh" ''
export JEMALLOC_OVERRIDE="@out@/lib/libjemalloc${stdenv.hostPlatform.extensions.library}"
'';
})
|