homebrew-core/Formula/boost-python.rb

97 lines
3.2 KiB
Ruby

class BoostPython < Formula
desc "C++ library for C++/Python2 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 "04fb7370e7cae6e4fda40545eaf8624576253ba72d6ed405debc0d48da4e6821" => :catalina
sha256 "9709be9548489de159a5a756fee04b8a3807a7f135c08b1ebce82ae363f49269" => :mojave
sha256 "b0773fe6e6125e6a45966aa5ef9e078a02c77c86d16f3fd6f7c50df4c23d7c78" => :high_sierra
end
depends_on "boost"
depends_on :macos # Due to Python 2
# 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
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
pyver = Language::Python.major_minor_version "python"
system "./bootstrap.sh", "--prefix=#{prefix}", "--libdir=#{lib}",
"--with-libraries=python", "--with-python=python"
system "./b2", "--build-dir=build-python",
"--stagedir=stage-python",
"--libdir=install-python/lib",
"--prefix=install-python",
"python=#{pyver}",
*args
lib.install Dir["install-python/lib/*.*"]
lib.install Dir["stage-python/lib/*py*"]
doc.install Dir["libs/python/doc/*"]
end
def caveats
<<~EOS
This formula provides Boost.Python for Python 2. Due to a
collision with boost-python3, the CMake Config files are not
available. Please use -DBoost_NO_BOOST_CMAKE=ON when building
with CMake or switch to Python 3.
EOS
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
pyprefix = `python-config --prefix`.chomp
pyincludes = Utils.popen_read("python-config", "--includes").chomp.split(" ")
pylib = Utils.popen_read("python-config", "--ldflags").chomp.split(" ")
system ENV.cxx, "-shared", "hello.cpp", "-L#{lib}", "-lboost_python27",
"-o", "hello.so", "-I#{pyprefix}/include/python2.7",
*pyincludes, *pylib
output = <<~EOS
from __future__ import print_function
import hello
print(hello.greet())
EOS
assert_match "Hello, world!", pipe_output("python", output, 0)
end
end