boost-python3 1.66.0 (new formula)

Closes #23322. Signed-off-by: ilovezfs <ilovezfs@icloud.com>
2018-02-09 10:44:33 +01:00 · 2018-02-09 10:44:33 +01:00 · dfc7c6b848
commit dfc7c6b848
parent 59a831eadf
1 changed files with 95 additions and 0 deletions
--- a/Formula/boost-python3.rb
+++ b/Formula/boost-python3.rb
@ -0,0 +1,95 @@
+class BoostPython3 < Formula
+  desc "C++ library for C++/Python3 interoperability"
+  homepage "https://www.boost.org/"
+  url "https://dl.bintray.com/boostorg/release/1.66.0/source/boost_1_66_0.tar.bz2"
+  sha256 "5721818253e6a0989583192f96782c4a98eb6204965316df9f5ad75819225ca9"
+  head "https://github.com/boostorg/boost.git"
+
+  depends_on "boost"
+  depends_on "python3"
+
+  needs :cxx11
+
+  resource "numpy" do
+    url "https://files.pythonhosted.org/packages/ee/66/7c2690141c520db08b6a6f852fa768f421b0b50683b7bbcd88ef51f33170/numpy-1.14.0.zip"
+    sha256 "3de643935b212307b420248018323a44ec51987a336d1d747c1322afc3c099fb"
+  end
+
+  def install
+    # "layout" should be synchronized with boost
+    args = ["--prefix=#{prefix}",
+            "--libdir=#{lib}",
+            "-d2",
+            "-j#{ENV.make_jobs}",
+            "--layout=tagged",
+            "--user-config=user-config.jam",
+            "threading=multi,single",
+            "link=shared,static"]
+
+    # Trunk starts using "clang++ -x c" to select C compiler which breaks C++11
+    # handling using ENV.cxx11. Using "cxxflags" and "linkflags" still works.
+    args << "cxxflags=-std=c++11"
+    if ENV.compiler == :clang
+      args << "cxxflags=-stdlib=libc++" << "linkflags=-stdlib=libc++"
+    end
+
+    # disable python detection in bootstrap.sh; it guesses the wrong include
+    # directory for Python 3 headers, so we configure python manually in
+    # user-config.jam below.
+    inreplace "bootstrap.sh", "using python", "#using python"
+
+    pyver = Language::Python.major_minor_version "python3"
+    py_prefix = Formula["python3"].opt_frameworks/"Python.framework/Versions/#{pyver}"
+
+    numpy_site_packages = buildpath/"homebrew-numpy/lib/python#{pyver}/site-packages"
+    numpy_site_packages.mkpath
+    ENV["PYTHONPATH"] = numpy_site_packages
+    resource("numpy").stage do
+      system "python3", *Language::Python.setup_install_args(buildpath/"homebrew-numpy")
+    end
+
+    # Force boost to compile with the desired compiler
+    (buildpath/"user-config.jam").write <<~EOS
+      using darwin : : #{ENV.cxx} ;
+      using python : #{pyver}
+                   : python3
+                   : #{py_prefix}/include/python#{pyver}m
+                   : #{py_prefix}/lib ;
+    EOS
+
+    system "./bootstrap.sh", "--prefix=#{prefix}", "--libdir=#{lib}",
+                             "--with-libraries=python", "--with-python=python3",
+                             "--with-python-root=#{py_prefix}"
+
+    system "./b2", "--build-dir=build-python3", "--stagedir=stage-python3",
+                   "python=#{pyver}", *args
+
+    lib.install Dir["stage-python3/lib/*py*"]
+    doc.install Dir["libs/python/doc/*"]
+  end
+
+  test do
+    (testpath/"hello.cpp").write <<~EOS
+      #include <boost/python.hpp>
+      char const* greet() {
+        return "Hello, world!";
+      }
+      BOOST_PYTHON_MODULE(hello)
+      {
+        boost::python::def("greet", greet);
+      }
+    EOS
+
+    pyincludes = Utils.popen_read("python3-config --includes").chomp.split(" ")
+    pylib = Utils.popen_read("python3-config --ldflags").chomp.split(" ")
+
+    system ENV.cxx, "-shared", "hello.cpp", "-L#{lib}", "-lboost_python3", "-o",
+           "hello.so", *pyincludes, *pylib
+
+    output = <<~EOS
+      import hello
+      print(hello.greet())
+    EOS
+    assert_match "Hello, world!", pipe_output("python3", output, 0)
+  end
+end