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{ stdenv, fetchFromGitHub, fetchpatch, gfortran, perl, which, config, coreutils
# Most packages depending on openblas expect integer width to match
# pointer width, but some expect to use 32-bit integers always
# (for compatibility with reference BLAS).
, blas64 ? null
}:
with stdenv.lib;
let blas64_ = blas64; in
let
# To add support for a new platform, add an element to this set.
configs = {
armv6l-linux = {
BINARY = "32";
TARGET = "ARMV6";
DYNAMIC_ARCH = "0";
CC = "gcc";
USE_OPENMP = "1";
};
armv7l-linux = {
BINARY = "32";
TARGET = "ARMV7";
DYNAMIC_ARCH = "0";
CC = "gcc";
USE_OPENMP = "1";
};
aarch64-linux = {
BINARY = "64";
TARGET = "ARMV8";
DYNAMIC_ARCH = "1";
CC = "gcc";
USE_OPENMP = "1";
};
i686-linux = {
BINARY = "32";
TARGET = "P2";
DYNAMIC_ARCH = "1";
CC = "gcc";
USE_OPENMP = "1";
};
x86_64-darwin = {
BINARY = "64";
TARGET = "ATHLON";
DYNAMIC_ARCH = "1";
# Note that clang is available through the stdenv on OSX and
# thus is not an explicit dependency.
CC = "clang";
USE_OPENMP = "0";
MACOSX_DEPLOYMENT_TARGET = "10.7";
};
x86_64-linux = {
BINARY = "64";
TARGET = "ATHLON";
DYNAMIC_ARCH = "1";
CC = "gcc";
USE_OPENMP = if stdenv.hostPlatform.isMusl then "0" else "1";
};
};
in
let
config =
configs.${stdenv.system}
or (throw "unsupported system: ${stdenv.system}");
in
let
blas64 =
if blas64_ != null
then blas64_
else hasPrefix "x86_64" stdenv.system;
in
stdenv.mkDerivation rec {
name = "openblas-${version}";
version = "0.3.1";
src = fetchFromGitHub {
owner = "xianyi";
repo = "OpenBLAS";
rev = "v${version}";
sha256 = "1dkwp4gz1hzpmhzks9y9ipb4c5h0r6c7yff62x3s8x9z6f8knaqc";
};
inherit blas64;
# Some hardening features are disabled due to sporadic failures in
# OpenBLAS-based programs. The problem may not be with OpenBLAS itself, but
# with how these flags interact with hardening measures used downstream.
# In either case, OpenBLAS must only be used by trusted code--it is
# inherently unsuitable for security-conscious applications--so there should
# be no objection to disabling these hardening measures.
hardeningDisable = [
# don't modify or move the stack
"stackprotector" "pic"
# don't alter index arithmetic
"strictoverflow"
# don't interfere with dynamic target detection
"relro" "bindnow"
];
nativeBuildInputs =
[gfortran perl which]
++ optionals stdenv.isDarwin [coreutils];
makeFlags =
[
"FC=gfortran"
''PREFIX="''$(out)"''
"NUM_THREADS=64"
"INTERFACE64=${if blas64 then "1" else "0"}"
"NO_STATIC=1"
] ++ stdenv.lib.optional (stdenv.hostPlatform.libc == "musl") "NO_AFFINITY=1"
++ mapAttrsToList (var: val: var + "=" + val) config;
patches = [
# Backport of https://github.com/xianyi/OpenBLAS/pull/1667, which
# is causing problems and was already accepted upstream.
(fetchpatch {
url = "https://github.com/xianyi/OpenBLAS/commit/5f2a3c05cd0e3872be3c5686b9da6b627658eeb7.patch";
sha256 = "1qvxhk92likrshw6z6hjqxvkblwzgsbzis2b2f71bsvx9174qfk1";
})
# Double "MAX_ALLOCATING_THREADS", fix with Go and Octave
# https://github.com/xianyi/OpenBLAS/pull/1663 (see also linked issue)
(fetchpatch {
url = "https://github.com/xianyi/OpenBLAS/commit/a49203b48c4a3d6f86413fc8c4b1fbfaa1946463.patch";
sha256 = "0v6kjkbgbw7hli6xkism48wqpkypxmcqvxpx564snll049l2xzq2";
})
];
doCheck = true;
checkTarget = "tests";
meta = with stdenv.lib; {
description = "Basic Linear Algebra Subprograms";
license = licenses.bsd3;
homepage = https://github.com/xianyi/OpenBLAS;
platforms = platforms.unix;
maintainers = with maintainers; [ ttuegel ];
};
}
|