homebrew-core/Formula/boost-python3.rb

105 lines
3.8 KiB
Ruby

class BoostPython3 < Formula
desc "C++ library for C++/Python3 interoperability"
homepage "https://www.boost.org/"
url "https://dl.bintray.com/boostorg/release/1.73.0/source/boost_1_73_0.tar.bz2"
mirror "https://dl.bintray.com/homebrew/mirror/boost_1_73_0.tar.bz2"
sha256 "4eb3b8d442b426dc35346235c8733b5ae35ba431690e38c6a8263dce9fcbb402"
license "BSL-1.0"
head "https://github.com/boostorg/boost.git"
bottle do
cellar :any
sha256 "36a3b2ffacb47649b51e0b3031b8f67bf7dcd87e61dfd6d594610cb3e21a1acc" => :catalina
sha256 "deda39650cec775da3e8a4915aec600cfd55b367f212be975bdcc70952f2e805" => :mojave
sha256 "237b8dcaaa8fcdc72ef8a57e6e38675a82579b736f819707f28bbf5f644ceffa" => :high_sierra
end
depends_on "numpy" => :build
depends_on "boost"
depends_on "python@3.8"
# Fix build on Xcode 11.4
patch do
url "https://github.com/boostorg/build/commit/b3a59d265929a213f02a451bb63cea75d668a4d9.patch?full_index=1"
sha256 "04a4df38ed9c5a4346fbb50ae4ccc948a1440328beac03cb3586c8e2e241be08"
directory "tools/build"
end
def install
# "layout" should be synchronized with boost
args = %W[
-d2
-j#{ENV.make_jobs}
--layout=tagged-1.66
--user-config=user-config.jam
install
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"
args << "cxxflags=-stdlib=libc++" << "linkflags=-stdlib=libc++" if ENV.compiler == :clang
# 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 Formula["python@3.8"].opt_bin/"python3"
py_prefix = Formula["python@3.8"].opt_frameworks/"Python.framework/Versions/#{pyver}"
# 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}
: #{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",
"--libdir=install-python3/lib",
"--prefix=install-python3",
"python=#{pyver}",
*args
lib.install Dir["install-python3/lib/*.*"]
(lib/"cmake").install Dir["install-python3/lib/cmake/boost_python*"]
(lib/"cmake").install Dir["install-python3/lib/cmake/boost_numpy*"]
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 = shell_output("#{Formula["python@3.8"].opt_bin}/python3-config --includes").chomp.split(" ")
pylib = shell_output("#{Formula["python@3.8"].opt_bin}/python3-config --ldflags --embed").chomp.split(" ")
pyver = Language::Python.major_minor_version(Formula["python@3.8"].opt_bin/"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(Formula["python@3.8"].opt_bin/"python3", output, 0)
end
end