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boost-python3.rb
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boost-python3.rb
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class BoostPython3 < Formula
desc "C++ library for C++/Python3 interoperability"
homepage "https://www.boost.org/"
url "https://github.com/boostorg/boost/releases/download/boost-1.84.0/boost-1.84.0.tar.xz"
sha256 "2e64e5d79a738d0fa6fb546c6e5c2bd28f88d268a2a080546f74e5ff98f29d0e"
license "BSL-1.0"
head "https://github.com/boostorg/boost.git", branch: "master"
livecheck do
formula "boost"
end
bottle do
sha256 cellar: :any, arm64_sonoma: "ccb607fe7176d24d07010d11a2c84986013e6fed4023212305bbe49ea8f1c1e6"
sha256 cellar: :any, arm64_ventura: "ccaa61a47f1a3fbbda4ee056d83a9c9f11df9f90425e68be672ea4613a60ceee"
sha256 cellar: :any, arm64_monterey: "c53bfe3a036cb26f5835f4b8dec3bbe4a1860facfa883748c7f64637efa4fcbe"
sha256 cellar: :any, sonoma: "40f2bd035504bc0ef2e2b46063e4a2fbcd1b41afefca0c24bf71874c3265dddb"
sha256 cellar: :any, ventura: "68d518e210f8f93cbf59396fd2107f4042d104a38d62658655e7d8176c033d99"
sha256 cellar: :any, monterey: "85746294a57da400caf0f3668f12c929f464f7dbe3676e213559eab257935092"
sha256 cellar: :any_skip_relocation, x86_64_linux: "135df76cb06531194891f8aa8ecfb082b2af364c6f7686953f7a356af8af0c53"
end
depends_on "numpy" => :build
depends_on "boost"
depends_on "python@3.11"
def python3
"python3.11"
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 python3
pyver = "3.11"
py_prefix = if OS.mac?
Formula["python@#{pyver}"].opt_frameworks/"Python.framework/Versions"/pyver
else
Formula["python@#{pyver}"].opt_prefix
end
# Force boost to compile with the desired compiler
(buildpath/"user-config.jam").write <<~EOS
using #{OS.mac? ? "darwin" : "gcc"} : : #{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 buildpath.glob("install-python3/lib/*.*")
# (lib/"cmake").install buildpath.glob("install-python3/lib/cmake/boost_python*")
# (lib/"cmake").install buildpath.glob("install-python3/lib/cmake/boost_numpy*")
# doc.install (buildpath/"libs/python/doc").children
args = %W[
-d2
-j#{ENV.make_jobs}
--layout=tagged-1.66
--user-config=user-config-2.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
# pyver = Language::Python.major_minor_version python3
pyver = "3.12"
py_prefix = if OS.mac?
Formula["python@#{pyver}"].opt_frameworks/"Python.framework/Versions"/pyver
else
Formula["python@#{pyver}"].opt_prefix
end
# Force boost to compile with the desired compiler
(buildpath/"user-config-2.jam").write <<~EOS
using #{OS.mac? ? "darwin" : "gcc"} : : #{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=python3.12",
"--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 buildpath.glob("install-python3/lib/*.*")
(lib/"cmake").install buildpath.glob("install-python3/lib/cmake/boost_python*")
(lib/"cmake").install buildpath.glob("install-python3/lib/cmake/boost_numpy*")
doc.install (buildpath/"libs/python/doc").children
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("#{python3}-config --includes").chomp.split
pylib = shell_output("#{python3}-config --ldflags --embed").chomp.split
pyver = Language::Python.major_minor_version(python3).to_s.delete(".")
system ENV.cxx, "-shared", "-fPIC", "-std=c++14", "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