54 lines
1.7 KiB
Ruby
54 lines
1.7 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://github.com/llvm/llvm-project/releases/download/llvmorg-11.0.0/openmp-11.0.0.src.tar.xz"
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sha256 "2d704df8ca67b77d6d94ebf79621b0f773d5648963dd19e0f78efef4404b684c"
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license "MIT"
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livecheck do
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url "https://llvm.org/"
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regex(/LLVM (\d+.\d+.\d+)/i)
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end
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bottle do
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cellar :any
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sha256 "a882de3c79dd02d1fd9c622fb8e667d97e7aa0319f2600ec5ad06e5e843a66c6" => :catalina
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sha256 "0716db5d51938b2fae8ab89c71db9a5786849b84c3924e215916f889f7e9e4c1" => :mojave
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sha256 "421af56c2bd2980ac04213b9e772ec9593e23737c2816cfca829f22db388cb58" => :high_sierra
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end
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depends_on "cmake" => :build
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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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