homebrew-core/Formula/libomp.rb

54 lines
1.8 KiB
Ruby

class Libomp < Formula
desc "LLVM's OpenMP runtime library"
homepage "https://openmp.llvm.org/"
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/openmp-12.0.0.src.tar.xz"
sha256 "eb1b7022a247332114985ed155a8fb632c28ce7c35a476e2c0caf865150f167d"
license "MIT"
livecheck do
url "https://llvm.org/"
regex(/LLVM (\d+\.\d+\.\d+)/i)
end
bottle do
sha256 cellar: :any, arm64_big_sur: "2d2befd8f1ab88eac44e71bf05b4b03172e4b3352cc21d994898874905efadbe"
sha256 cellar: :any, big_sur: "fe1e5c0fa8ff667deb348e64e695ac355a43da34c020fa983e081ea67cb5f56c"
sha256 cellar: :any, catalina: "33818af9e5fa26153645f63dab95d060fea69757570910d2f86d56eff29a5cf6"
sha256 cellar: :any, mojave: "e6ccdea1356c28931543f73ebcc3fa5693056f40a5b04150fd54908fac17109e"
end
depends_on "cmake" => :build
def install
# Disable LIBOMP_INSTALL_ALIASES, otherwise the library is installed as
# libgomp alias which can conflict with GCC's libgomp.
system "cmake", ".", *std_cmake_args, "-DLIBOMP_INSTALL_ALIASES=OFF"
system "make", "install"
system "cmake", ".", "-DLIBOMP_ENABLE_SHARED=OFF", *std_cmake_args,
"-DLIBOMP_INSTALL_ALIASES=OFF"
system "make", "install"
end
test do
(testpath/"test.cpp").write <<~EOS
#include <omp.h>
#include <array>
int main (int argc, char** argv) {
std::array<size_t,2> arr = {0,0};
#pragma omp parallel num_threads(2)
{
size_t tid = omp_get_thread_num();
arr.at(tid) = tid + 1;
}
if(arr.at(0) == 1 && arr.at(1) == 2)
return 0;
else
return 1;
}
EOS
system ENV.cxx, "-Werror", "-Xpreprocessor", "-fopenmp", "test.cpp",
"-L#{lib}", "-lomp", "-o", "test"
system "./test"
end
end