48 lines
1.6 KiB
Ruby
48 lines
1.6 KiB
Ruby
class Libomp < Formula
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desc "LLVM's OpenMP runtime library"
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homepage "https://openmp.llvm.org/"
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url "https://releases.llvm.org/8.0.0/openmp-8.0.0.src.tar.xz"
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sha256 "f7b1705d2f16c4fc23d6531f67d2dd6fb78a077dd346b02fed64f4b8df65c9d5"
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bottle do
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cellar :any
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sha256 "6c8f66a6582efa00620593e16a41f3649018778a300cc772afbe79c711c2c396" => :mojave
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sha256 "4cc6fd69f1558f29165608c3e52aed88be6c56e3b0da10c9f6912ea3345daf3a" => :high_sierra
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sha256 "e5d63a6b2cfeb05ded546b5f8d381acc592a2a37767cbae20569981229c66ac8" => :sierra
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end
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depends_on "cmake" => :build
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depends_on :macos => :yosemite
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def install
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# Disable LIBOMP_INSTALL_ALIASES, otherwise the library is installed as
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# libgomp alias which can conflict with GCC's libgomp.
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system "cmake", ".", *std_cmake_args, "-DLIBOMP_INSTALL_ALIASES=OFF"
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system "make", "install"
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system "cmake", ".", "-DLIBOMP_ENABLE_SHARED=OFF", *std_cmake_args,
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"-DLIBOMP_INSTALL_ALIASES=OFF"
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system "make", "install"
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end
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test do
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(testpath/"test.cpp").write <<~EOS
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#include <omp.h>
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#include <array>
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int main (int argc, char** argv) {
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std::array<size_t,2> arr = {0,0};
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#pragma omp parallel num_threads(2)
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{
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size_t tid = omp_get_thread_num();
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arr.at(tid) = tid + 1;
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}
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if(arr.at(0) == 1 && arr.at(1) == 2)
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return 0;
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else
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return 1;
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}
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EOS
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system ENV.cxx, "-Werror", "-Xpreprocessor", "-fopenmp", "test.cpp",
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"-L#{lib}", "-lomp", "-o", "test"
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system "./test"
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end
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end
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