core/pkgs/by-name/je/jemalloc/default.nix
2024-05-13 11:34:52 -04:00

68 lines
2.5 KiB
Nix

{ lib
, stdenv
, fetchurl
, fetchpatch
# By default, jemalloc puts a je_ prefix onto all its symbols on OSX, which
# then stops downstream builds (mariadb in particular) from detecting it. This
# option should remove the prefix and give us a working jemalloc.
# Causes segfaults with some software (ex. rustc), but defaults to true for backward
# compatibility.
, stripPrefix ? stdenv.hostPlatform.isDarwin
, disableInitExecTls ? false
}:
stdenv.mkDerivation rec {
pname = "jemalloc";
version = "5.3.0";
src = fetchurl {
url = "https://github.com/jemalloc/jemalloc/releases/download/${version}/${pname}-${version}.tar.bz2";
sha256 = "sha256-LbgtHnEZ3z5xt2QCGbbf6EeJvAU3mDw7esT3GJrs/qo=";
};
patches = [
# fix tests under --with-jemalloc-prefix=, see https://github.com/jemalloc/jemalloc/pull/2340
(fetchpatch {
url = "https://github.com/jemalloc/jemalloc/commit/d00ecee6a8dfa90afcb1bbc0858985c17bef6559.patch";
hash = "sha256-N5i4IxGJ4SSAgFiq5oGRnrNeegdk2flw9Sh2mP0yl4c=";
})
];
configureFlags =
# see the comment on stripPrefix
lib.optional stripPrefix "--with-jemalloc-prefix="
++ lib.optional disableInitExecTls "--disable-initial-exec-tls"
# jemalloc is unable to correctly detect transparent hugepage support on
# ARM (https://github.com/jemalloc/jemalloc/issues/526), and the default
# kernel ARMv6/7 kernel does not enable it, so we explicitly disable support
++ lib.optionals (stdenv.isAarch32 && lib.versionOlder version "5") [
"--disable-thp"
"je_cv_thp=no"
]
# AArch64 has configurable page size up to 64k. The default configuration
# for jemalloc only supports 4k page sizes.
++ lib.optional stdenv.isAarch64 "--with-lg-page=16"
# See https://github.com/jemalloc/jemalloc/issues/1997
# Using a value of 48 should work on both emulated and native x86_64-darwin.
++ lib.optional (stdenv.isDarwin && stdenv.isx86_64) "--with-lg-vaddr=48"
;
env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-Wno-error=array-bounds";
# Tries to link test binaries binaries dynamically and fails
doCheck = !stdenv.hostPlatform.isStatic;
enableParallelBuilding = true;
meta = with lib; {
homepage = "https://jemalloc.net/";
description = "General purpose malloc(3) implementation";
longDescription = ''
malloc(3)-compatible memory allocator that emphasizes fragmentation
avoidance and scalable concurrency support.
'';
license = licenses.bsd2;
platforms = platforms.all;
};
}