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class Libiomp < Formula
homepage "https://www.openmprtl.org/download"
url "https://www.openmprtl.org/sites/default/files/libomp_20150227_oss.tgz"
sha256 "a1d30fad0160400db325d270b632961d086026d2944520d67c6afc0e69ac93bf"
depends_on :arch => :intel
depends_on "cmake" => :build
bottle do
cellar :any
sha256 "0b1100fbe25cdf739f60d85988c0f7f73d33a4a1e97de2b21e7f53258fd43a93" => :yosemite
sha256 "311132571f71ac5d06665cab765a683bba53c53438d07a59f1a143d8db211787" => :mavericks
sha256 "b26fa4413afcd9ae18743efd462d1d7e8541fe41fa52e4a864dbd845db5cbe42" => :mountain_lion
end
fails_with :gcc do
cause "libiomp can only be built with clang."
end
fails_with :gcc_4_0 do
cause "libiomp can only be built with clang."
end
("4.3".."4.9").each do |n|
fails_with :gcc => n do
cause "libiomp can only be built with clang."
end
end
def install
intel_arch = MacOS.prefer_64_bit? ? "mac_32e" : "mac_32"
args = std_cmake_args
args << (MacOS.prefer_64_bit? ? "-Darch=32e" : "-Darch=32")
args << "-DCMAKE_BUILD_TYPE=Release"
system "cmake", ".", *args
system "make", "all", "common"
(include/"libiomp").install Dir["exports/common/include/*"]
lib.install "exports/#{intel_arch}/lib.thin/libiomp5.dylib"
end
test do
testfile = <<-EOS.undent
#include <omp.h>
#include <stdlib.h>
int main(void) {
omp_set_num_threads(2);
omp_get_num_threads();
return EXIT_SUCCESS;
}
EOS
(testpath/"test.c").write(testfile)
system ENV.cc, "-L#{lib}", "-liomp5", "-I#{include}/libiomp", "test.c", "-o", "test"
system "./test"
end
end
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