homebrew-core/Formula/boost-python3.rb
2019-10-13 21:45:08 +02:00

98 lines
3.4 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"
revision 1
head "https://github.com/boostorg/boost.git"
bottle do
cellar :any
sha256 "8e5e68a29e926f7ee89b627d6d4db0b772837c521629993bd7921cde451b0c1f" => :catalina
sha256 "93ad0a86ef2c27f17747ed776a4e845b4e73c22f12cfed3cf9fb3cc28d1760cd" => :mojave
sha256 "431860df4d21263eedaf340a0e6b6338d9439190f9be92f3931fbc3c119ea24b" => :high_sierra
end
depends_on "numpy" => :build
depends_on "boost"
depends_on "python"
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"
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}"
# 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",
"--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 = 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