50 lines
1.6 KiB
Nix
50 lines
1.6 KiB
Nix
{ version, sha256 }:
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{ lib, stdenv, fetchurl
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# By default, jemalloc puts a je_ prefix onto all its symbols on OSX, which
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# then stops downstream builds (mariadb in particular) from detecting it. This
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# option should remove the prefix and give us a working jemalloc.
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# Causes segfaults with some software (ex. rustc), but defaults to true for backward
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# compatibility.
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, stripPrefix ? stdenv.hostPlatform.isDarwin
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, disableInitExecTls ? false
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}:
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with lib;
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stdenv.mkDerivation rec {
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pname = "jemalloc";
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inherit version;
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src = fetchurl {
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url = "https://github.com/jemalloc/jemalloc/releases/download/${version}/${pname}-${version}.tar.bz2";
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inherit sha256;
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};
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# see the comment on stripPrefix
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configureFlags = []
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++ optional stripPrefix "--with-jemalloc-prefix="
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++ optional disableInitExecTls "--disable-initial-exec-tls"
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# jemalloc is unable to correctly detect transparent hugepage support on
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# ARM (https://github.com/jemalloc/jemalloc/issues/526), and the default
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# kernel ARMv6/7 kernel does not enable it, so we explicitly disable support
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++ optionals (stdenv.isAarch32 && versionOlder version "5") [
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"--disable-thp"
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"je_cv_thp=no"
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]
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;
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doCheck = true;
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enableParallelBuilding = true;
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meta = with lib; {
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homepage = "http://jemalloc.net";
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description = "General purpose malloc(3) implementation";
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longDescription = ''
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malloc(3)-compatible memory allocator that emphasizes fragmentation
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avoidance and scalable concurrency support.
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'';
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license = licenses.bsd2;
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platforms = platforms.all;
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};
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}
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