homebrew-core/Formula/libomp.rb

49 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-9.0.1/openmp-9.0.1.src.tar.xz"
sha256 "5c94060f846f965698574d9ce22975c0e9f04c9b14088c3af5f03870af75cace"
bottle do
cellar :any
sha256 "a8e25c1cb3c210b9be41aa4e93da1723d420138e8ff1ebffc3ac93c55cf8865e" => :catalina
sha256 "6aca3210c348307206043e772c9d98527337e7c42e38b4981534a2baccf25591" => :mojave
sha256 "a6f0785589272c07d40703d14404da79e880fdceb4e49dc2095fb05fd0054c0d" => :high_sierra
end
depends_on "cmake" => :build
depends_on :macos => :yosemite
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