1 files changed, 127 insertions, 0 deletions
diff --git a/Library/Formula/boost-python.rb b/Library/Formula/boost-python.rb
new file mode 100644
index 000000000..12fe398ed
--- /dev/null
+++ b/Library/Formula/boost-python.rb
@@ -0,0 +1,127 @@
+require "formula"
+
+class UniversalPython < Requirement
+  satisfy(:build_env => false) { archs_for_command("python").universal? }
+
+  def message; <<-EOS.undent
+    A universal build was requested, but Python is not a universal build
+
+    Boost compiles against the Python it finds in the path; if this Python
+    is not a universal build then linking will likely fail.
+    EOS
+  end
+end
+
+class UniversalPython3 < Requirement
+  satisfy(:build_env => false) { archs_for_command("python3").universal? }
+
+  def message; <<-EOS.undent
+    A universal build was requested, but Python 3 is not a universal build
+
+    Boost compiles against the Python 3 it finds in the path; if this Python
+    is not a universal build then linking will likely fail.
+    EOS
+  end
+end
+
+class BoostPython < Formula
+  homepage "http://www.boost.org"
+  url "https://downloads.sourceforge.net/project/boost/boost/1.56.0/boost_1_56_0.tar.bz2"
+  sha1 "f94bb008900ed5ba1994a1072140590784b9b5df"
+  head "https://github.com/boostorg/boost.git"
+
+  option :universal
+  option :cxx11
+
+  depends_on :python => :recommended
+  depends_on :python3 => :optional
+  depends_on UniversalPython if build.universal? and build.with? "python"
+  depends_on UniversalPython3 if build.universal? and build.with? "python3"
+
+  if build.cxx11?
+    depends_on "boost" => "c++11"
+  else
+    depends_on "boost"
+  end
+
+  fails_with :llvm do
+    build 2335
+    cause "Dropped arguments to functions when linking with boost"
+  end
+
+  def install
+    ENV.universal_binary if build.universal?
+
+    # "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"]
+
+    args << "address-model=32_64" << "architecture=x86" << "pch=off" if build.universal?
+
+    # Build in C++11 mode if boost was built in C++11 mode.
+    # Trunk starts using "clang++ -x c" to select C compiler which breaks C++11
+    # handling using ENV.cxx11. Using "cxxflags" and "linkflags" still works.
+    if build.cxx11?
+      args << "cxxflags=-std=c++11"
+      if ENV.compiler == :clang
+        args << "cxxflags=-stdlib=libc++" << "linkflags=-stdlib=libc++"
+      end
+    elsif Tab.for_name("boost").cxx11?
+      odie "boost was built in C++11 mode so boost-python must be built with --c++11."
+    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"
+
+    Language::Python.each_python(build) do |python, version|
+      py_prefix = `#{python} -c "from __future__ import print_function; import sys; print(sys.prefix)"`.strip
+      py_include = `#{python} -c "from __future__ import print_function; import distutils.sysconfig; print(distutils.sysconfig.get_python_inc(True))"`.strip
+      open("user-config.jam", "w") do |file|
+        # Force boost to compile with the desired compiler
+        file.write "using darwin : : #{ENV.cxx} ;\n"
+        file.write <<-EOS.undent
+          using python : #{version}
+                       : #{python}
+                       : #{py_include}
+                       : #{py_prefix}/lib ;
+        EOS
+      end
+
+      system "./bootstrap.sh", "--prefix=#{prefix}", "--libdir=#{lib}", "--with-libraries=python",
+                               "--with-python=#{python}", "--with-python-root=#{py_prefix}"
+
+      system "./b2", "--build-dir=build-#{python}", "--stagedir=stage-#{python}",
+                     "python=#{version}", *args
+    end
+
+    lib.install Dir["stage-python3/lib/*py*"] if build.with?("python3")
+    lib.install Dir["stage-python/lib/*py*"] if build.with?("python")
+  end
+
+  test do
+    (testpath/"hello.cpp").write <<-EOS.undent
+      #include <boost/python.hpp>
+      char const* greet() {
+        return "Hello, world!";
+      }
+      BOOST_PYTHON_MODULE(hello)
+      {
+        boost::python::def("greet", greet);
+      }
+    EOS
+    Language::Python.each_python(build) do |python, version|
+      pycflags = `#{python}-config --includes`.strip
+      pyldflags = `#{python}-config --ldflags`.strip
+      system "#{ENV.cxx} -shared hello.cpp #{pycflags} #{pyldflags} -lboost_#{python} -o hello.so"
+      output = `#{python} -c "from __future__ import print_function; import hello; print(hello.greet())"`
+      assert output.include?("Hello, world!")
+    end
+  end
+end