homebrew-core/Formula/libomp.rb

54 lines
1.7 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-10.0.1/openmp-10.0.1.src.tar.xz"
sha256 "d19f728c8e04fb1e94566c8d76aef50ec926cd2f95ef3bf1e0a5de4909b28b44"
license "MIT"
livecheck do
url "https://llvm.org/"
regex(/LLVM (\d+.\d+.\d+)/i)
end
bottle do
cellar :any
sha256 "8545af588b2b210708b56669365cea97eb80941fe455e69f54ad85f3bb5bc18c" => :catalina
sha256 "d410b199fed539dbd15de8f8fe98efc47067beca8d4271c0874ddc404567f65c" => :mojave
sha256 "549d7af3d026fa160c96adfbda70b2ce4cd5f21710041d78bce4c1946b9bc2ec" => :high_sierra
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