homebrew-core/Formula/boost-python3.rb
2019-10-06 21:27:07 +02:00

104 lines
3.7 KiB
Ruby

class BoostPython3 < Formula
desc "C++ library for C++/Python3 interoperability"
homepage "https://www.boost.org/"
url "https://dl.bintray.com/boostorg/release/1.71.0/source/boost_1_71_0.tar.bz2"
sha256 "d73a8da01e8bf8c7eda40b4c84915071a8c8a0df4a6734537ddde4a8580524ee"
head "https://github.com/boostorg/boost.git"
bottle do
cellar :any
sha256 "df8408fcf0b39d564ad7e7b926255becc52f00c87db0655c37000f50632ad231" => :catalina
sha256 "030715604eb213ac9154c7e8e60f189d52f839fc87a580416c7e6088722d7e1a" => :mojave
sha256 "ec1ebb266260e7f488caccb09c2ae87af5b7d2c1b137033bc7d365165d14eeef" => :high_sierra
sha256 "66cfacedfd90dd4b88d5d3f990c3f81bf314417376380ed8d9b9d464e4f5a884" => :sierra
end
depends_on "boost"
depends_on "python"
resource "numpy" do
url "https://files.pythonhosted.org/packages/2d/80/1809de155bad674b494248bcfca0e49eb4c5d8bee58f26fe7a0dd45029e2/numpy-1.15.4.zip"
sha256 "3d734559db35aa3697dadcea492a423118c5c55d176da2f3be9c98d4803fc2a7"
end
def install
# "layout" should be synchronized with boost
args = %W[
--prefix=#{prefix}
--libdir=#{lib}
-d2
-j#{ENV.make_jobs}
--layout=tagged-1.66
--user-config=user-config.jam
threading=multi,single
link=shared,static
]
# Boost is using "clang++ -x c" to select C compiler which breaks C++14
# handling using ENV.cxx14. Using "cxxflags" and "linkflags" still works.
args << "cxxflags=-std=c++14"
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(" ")
pyver = Language::Python.major_minor_version("python3").to_s.delete(".")
system ENV.cxx, "-shared", "hello.cpp", "-L#{lib}", "-lboost_python#{pyver}", "-o",
"hello.so", *pyincludes, *pylib
output = <<~EOS
import hello
print(hello.greet())
EOS
assert_match "Hello, world!", pipe_output("python3", output, 0)
end
end