homebrew-core/Formula/libomp.rb

48 lines
1.6 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-10.0.0/openmp-10.0.0.src.tar.xz"
sha256 "3b9ff29a45d0509a1e9667a0feb43538ef402ea8cfc7df3758a01f20df08adfa"
bottle do
cellar :any
sha256 "0ea757dbea7bf12141ef1d209d2f3b59919baa0caa0482d7ea6ae9c2dfed2382" => :catalina
sha256 "aecd306b605763dbd06c73b5d470c924643b48c051f06d8a4e70be705052c8ee" => :mojave
sha256 "ddfbe1ab7c6dafc45c787d6b4ae19fffb6465bbc0aef007b728cb98ba0d6d2b1" => :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