homebrew-core/Formula/libomp.rb
2019-08-13 20:45:20 -04:00

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-8.0.1/openmp-8.0.1.src.tar.xz"
sha256 "3e85dd3cad41117b7c89a41de72f2e6aa756ea7b4ef63bb10dcddf8561a7722c"
bottle do
cellar :any
sha256 "d069252a4b6ab3e09be573be43233887446a1f49bf6b9f0b8c6752c650ffc1c4" => :mojave
sha256 "aea4ed170e1fbb524397ea0dfb4033be9fac6d00619320f9b3a60880df7493f7" => :high_sierra
sha256 "7bf1bce14309673ce873e152a5a3dd717a1a192b34e7fd8fdfd25560e8b16e6e" => :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