nixpkgs/pkgs/development/libraries/science/math/openblas/default.nix

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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
}:
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with stdenv.lib;
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let blas64_ = blas64; in
let
# To add support for a new platform, add an element to this set.
configs = {
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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";
};
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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";
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USE_OPENMP = if stdenv.hostPlatform.isMusl then "0" else "1";
};
};
in
let
config =
configs.${stdenv.hostPlatform.system}
or (throw "unsupported system: ${stdenv.hostPlatform.system}");
in
let
blas64 =
if blas64_ != null
then blas64_
else hasPrefix "x86_64" stdenv.hostPlatform.system;
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in
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stdenv.mkDerivation rec {
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name = "openblas-${version}";
version = "0.3.1";
src = fetchFromGitHub {
owner = "xianyi";
repo = "OpenBLAS";
rev = "v${version}";
sha256 = "1dkwp4gz1hzpmhzks9y9ipb4c5h0r6c7yff62x3s8x9z6f8knaqc";
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};
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inherit blas64;
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# Some hardening features are disabled due to sporadic failures in
# OpenBLAS-based programs. The problem may not be with OpenBLAS itself, but
# with how these flags interact with hardening measures used downstream.
# In either case, OpenBLAS must only be used by trusted code--it is
# inherently unsuitable for security-conscious applications--so there should
# be no objection to disabling these hardening measures.
hardeningDisable = [
# don't modify or move the stack
"stackprotector" "pic"
# don't alter index arithmetic
"strictoverflow"
# don't interfere with dynamic target detection
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"relro" "bindnow"
];
nativeBuildInputs =
[gfortran perl which]
++ optionals stdenv.isDarwin [coreutils];
makeFlags =
[
"FC=gfortran"
''PREFIX="''$(out)"''
"NUM_THREADS=64"
"INTERFACE64=${if blas64 then "1" else "0"}"
"NO_STATIC=1"
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] ++ stdenv.lib.optional (stdenv.hostPlatform.libc == "musl") "NO_AFFINITY=1"
++ mapAttrsToList (var: val: var + "=" + val) config;
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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";
})
];
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doCheck = true;
checkTarget = "tests";
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postInstall = ''
# Write pkgconfig aliases. Upstream report:
# https://github.com/xianyi/OpenBLAS/issues/1740
for alias in blas cblas lapack; do
cat <<EOF > $out/lib/pkgconfig/openblas-$alias.pc
Name: $alias
Version: ${version}
Description: $alias provided by the OpenBLAS package.
Cflags: -I$out/include
Libs: -L$out/lib -lopenblas
EOF
done
'';
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meta = with stdenv.lib; {
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description = "Basic Linear Algebra Subprograms";
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license = licenses.bsd3;
homepage = https://github.com/xianyi/OpenBLAS;
platforms = platforms.unix;
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maintainers = with maintainers; [ ttuegel ];
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};
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# We use linkName to pass a different name to --with-blas-libs for
# fflas-ffpack and linbox, because we use blas on darwin but openblas
# elsewhere.
# See see https://github.com/NixOS/nixpkgs/pull/45013.
passthru.linkName = "openblas";
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}