homebrew-core/Formula/openblas.rb

76 lines
2.7 KiB
Ruby

class Openblas < Formula
desc "Optimized BLAS library"
homepage "https://www.openblas.net/"
url "https://github.com/xianyi/OpenBLAS/archive/v0.3.13.tar.gz"
sha256 "79197543b17cc314b7e43f7a33148c308b0807cd6381ee77f77e15acf3e6459e"
license "BSD-3-Clause"
head "https://github.com/xianyi/OpenBLAS.git", branch: "develop"
bottle do
sha256 cellar: :any, arm64_big_sur: "9ac956e8d8704e272b0cf2ddc83c8fd6a78e04fd46b10b5be778d83a6ef24c06"
sha256 cellar: :any, big_sur: "daa8f1e3c94b3dff6a696886e92dd4edcdef12c2d4c68a689c16697ac4590692"
sha256 cellar: :any, catalina: "71191dd65059b73a8dffea7f55c06a3bcaefa27cf0946116f63efd6f976ee9fd"
sha256 cellar: :any, mojave: "10012e1adcafdf18ac06f457c6069805266301879a42453ec0587ffe9647c751"
end
keg_only :shadowed_by_macos, "macOS provides BLAS in Accelerate.framework"
depends_on "gcc" # for gfortran
fails_with :clang
# Build script fix. Remove at version bump.
# https://github.com/xianyi/OpenBLAS/pull/3038
patch do
url "https://github.com/xianyi/OpenBLAS/commit/00ce35336ee1eb1089f30d1e117a8a6a933f9654.patch?full_index=1"
sha256 "555e3a8ab042bef2320549db2bad57249d9cf351a6f28e82d6ba53f008920465"
end
def install
ENV["DYNAMIC_ARCH"] = "1"
ENV["USE_OPENMP"] = "1"
ENV["NO_AVX512"] = "1"
# Force a large NUM_THREADS to support larger Macs than the VMs that build the bottles
ENV["NUM_THREADS"] = "56"
ENV["TARGET"] = case Hardware.oldest_cpu
when :arm_vortex_tempest
"VORTEX"
else
Hardware.oldest_cpu.upcase.to_s
end
# Must call in two steps
system "make", "CC=#{ENV.cc}", "FC=gfortran", "libs", "netlib", "shared"
system "make", "PREFIX=#{prefix}", "install"
lib.install_symlink shared_library("libopenblas") => shared_library("libblas")
lib.install_symlink shared_library("libopenblas") => shared_library("liblapack")
end
test do
(testpath/"test.c").write <<~EOS
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "cblas.h"
int main(void) {
int i;
double A[6] = {1.0, 2.0, 1.0, -3.0, 4.0, -1.0};
double B[6] = {1.0, 2.0, 1.0, -3.0, 4.0, -1.0};
double C[9] = {.5, .5, .5, .5, .5, .5, .5, .5, .5};
cblas_dgemm(CblasColMajor, CblasNoTrans, CblasTrans,
3, 3, 2, 1, A, 3, B, 3, 2, C, 3);
for (i = 0; i < 9; i++)
printf("%lf ", C[i]);
printf("\\n");
if (fabs(C[0]-11) > 1.e-5) abort();
if (fabs(C[4]-21) > 1.e-5) abort();
return 0;
}
EOS
system ENV.cc, "test.c", "-I#{include}", "-L#{lib}", "-lopenblas",
"-o", "test"
system "./test"
end
end