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class ClangOmp < Formula
homepage "https://clang-omp.github.io/"
url "https://github.com/clang-omp/llvm/archive/2015-04-01.tar.gz"
version "2015-04-01"
sha256 "37f990ad99b3213507ec88f86702c5a057ce397cc16638eeee5c88906572daec"
bottle do
sha256 "ed23f2f98cd280c73f53c31a281a3baee6a7e89cdd2f6f1388502fae6ea043fe" => :yosemite
sha256 "de14d6887271d0926d0ef4b3eb5f74366955d92d7de231a9ba8c71ce6f8443d1" => :mavericks
sha256 "7d58ef5113604b044c916dcb1920157d77247eb60e0c508a67d285e139b576e0" => :mountain_lion
end
depends_on "libiomp"
depends_on "cmake" => :build
resource "compiler-rt" do
url "https://github.com/clang-omp/compiler-rt/archive/2015-04-01.tar.gz"
sha256 "5a8d39ff6ce524e23fae32870f85b18d43f2795da2011d3cbb6b29d471bb27b7"
end
resource "clang" do
url "https://github.com/clang-omp/clang/archive/2015-04-01.tar.gz"
sha256 "2717115e5ba491e3b8119311f0d792420ba41be34a89733b9880eb3d3c09fbe5"
end
resource "libcxx" do
url "https://github.com/llvm-mirror/libcxx/archive/release_35.tar.gz"
sha256 "df23b356ae1953de671d1dc9093568330e074bbe48cd6d93d16173a793550c71"
end
needs :cxx11
def install
(buildpath/"projects/compiler-rt").install resource("compiler-rt")
(buildpath/"tools/clang").install resource("clang")
(buildpath/"projects/libcxx").install resource "libcxx"
system "./configure", "--prefix=#{libexec}", "--enable-cxx11", "--enable-libcpp"
system "make"
system "make", "install"
system "make", "-C", "projects/libcxx", "install",
"DSTROOT=#{prefix}", "SYMROOT=#{buildpath}/projects/libcxx"
bin.install_symlink libexec/"bin/clang" => "clang-omp"
bin.install_symlink libexec/"bin/clang" => "clang-omp++"
end
test do
testfile = <<-EOS.undent
#include <stdlib.h>
#include <stdio.h>
#include <libiomp/omp.h>
int main() {
#pragma omp parallel num_threads(4)
{
printf("Hello from thread %d, nthreads %d\\n", omp_get_thread_num(), omp_get_num_threads());
}
return EXIT_SUCCESS;
}
EOS
(testpath/"test.c").write(testfile)
system "#{bin}/clang-omp", "-L/usr/local/lib", "-liomp5", "-fopenmp", "-Werror", "-Wall", "test.c", "-o", "test"
system "./test>#{testpath}/testresult"
testresult = (testpath/"testresult").read
testresult_lines = testresult.split "\n"
sorted_testresult_lines = testresult_lines.sort
sorted_testresult = sorted_testresult_lines.join "\n"
expected_result = <<-EOS.undent
Hello from thread 0, nthreads 4
Hello from thread 1, nthreads 4
Hello from thread 2, nthreads 4
Hello from thread 3, nthreads 4
EOS
assert_equal expected_result.strip, sorted_testresult.strip
end
end
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