73 lines
2.9 KiB
Nix
73 lines
2.9 KiB
Nix
{ lib
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, stdenv
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, fetchurl
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, fetchpatch
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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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stdenv.mkDerivation rec {
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pname = "jemalloc";
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version = "5.3.0";
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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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sha256 = "sha256-LbgtHnEZ3z5xt2QCGbbf6EeJvAU3mDw7esT3GJrs/qo=";
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};
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patches = [
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# fix tests under --with-jemalloc-prefix=, see https://github.com/jemalloc/jemalloc/pull/2340
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(fetchpatch {
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url = "https://github.com/jemalloc/jemalloc/commit/d00ecee6a8dfa90afcb1bbc0858985c17bef6559.patch";
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hash = "sha256-N5i4IxGJ4SSAgFiq5oGRnrNeegdk2flw9Sh2mP0yl4c=";
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})
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# fix linking with libc++, can be removed in the next update (after 5.3.0).
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# https://github.com/jemalloc/jemalloc/pull/2348
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(fetchpatch {
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url = "https://github.com/jemalloc/jemalloc/commit/4422f88d17404944a312825a1aec96cd9dc6c165.patch";
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hash = "sha256-dunkE7XHzltn5bOb/rSHqzpRniAFuGubBStJeCxh0xo=";
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})
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];
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configureFlags =
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# see the comment on stripPrefix
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lib.optional stripPrefix "--with-jemalloc-prefix="
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++ lib.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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++ lib.optionals (stdenv.hostPlatform.isAarch32 && lib.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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# AArch64 has configurable page size up to 64k. The default configuration
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# for jemalloc only supports 4k page sizes.
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++ lib.optional stdenv.hostPlatform.isAarch64 "--with-lg-page=16"
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# See https://github.com/jemalloc/jemalloc/issues/1997
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# Using a value of 48 should work on both emulated and native x86_64-darwin.
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++ lib.optional (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64) "--with-lg-vaddr=48"
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;
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env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.hostPlatform.isDarwin "-Wno-error=array-bounds";
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# Tries to link test binaries binaries dynamically and fails
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doCheck = !stdenv.hostPlatform.isStatic;
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enableParallelBuilding = true;
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meta = with lib; {
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homepage = "https://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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