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Homebrew formula for installing boost with Python 3
require 'formula'
class UniversalPython < Requirement
satisfy(:build_env => false) { archs_for_command("python").universal? }
def message; <<-EOS.undent
A universal build was requested, but Python is not a universal build
Boost compiles against the Python it finds in the path; if this Python
is not a universal build then linking will likely fail.
EOS
end
end
class Boost < Formula
homepage 'http://www.boost.org'
url 'https://downloads.sourceforge.net/project/boost/boost/1.55.0/boost_1_55_0.tar.bz2'
sha1 'cef9a0cc7084b1d639e06cd3bc34e4251524c840'
revision 1
head 'https://github.com/boostorg/boost.git'
bottle do
cellar :any
revision 3
sha1 "c5b6b0cad1f8ac1ce69aa6c72facfc650b0cc38a" => :mavericks
sha1 "682f32c155bc0b17671bf7ff4323bde489ba44b0" => :mountain_lion
sha1 "b62fa644ab17bbce8e5bbc20e72ee0af605e7fc8" => :lion
end
env :userpaths
option :universal
option 'with-icu', 'Build regexp engine with icu support'
option 'without-single', 'Disable building single-threading variant'
option 'without-static', 'Disable building static library variant'
option 'with-mpi', 'Build with MPI support'
option :cxx11
depends_on :python3 => :optional
depends_on UniversalPython if build.universal? and build.with? "python"
if build.with? 'icu'
if build.cxx11?
depends_on 'icu4c' => 'c++11'
else
depends_on 'icu4c'
end
end
if build.with? 'mpi'
if build.cxx11?
depends_on 'open-mpi' => 'c++11'
else
depends_on :mpi => [:cc, :cxx, :optional]
end
end
stable do
# Patches boost::atomic for LLVM 3.4 as it is used on OS X 10.9 with Xcode 5.1
# https://github.com/Homebrew/homebrew/issues/27396
# https://github.com/Homebrew/homebrew/pull/27436
patch :p2 do
url "https://github.com/boostorg/atomic/commit/6bb71fdd.diff"
sha1 "ca8679011d5293a7fd02cb3b97dde3515b8b2b03"
end
patch :p2 do
url "https://github.com/boostorg/atomic/commit/e4bde20f.diff"
sha1 "b68f5536474c9f543879698299bd4975538a89eb"
end
end
fails_with :llvm do
build 2335
cause "Dropped arguments to functions when linking with boost"
end
def install
# https://svn.boost.org/trac/boost/ticket/8841
if build.with? 'mpi' and build.with? 'single'
raise <<-EOS.undent
Building MPI support for both single and multi-threaded flavors
is not supported. Please use '--with-mpi' together with
'--without-single'.
EOS
end
if build.cxx11? and build.with? 'mpi' and build.with? 'python'
raise <<-EOS.undent
Building MPI support for Python using C++11 mode results in
failure and hence disabled. Please don't use this combination
of options.
EOS
end
ENV.universal_binary if build.universal?
# Force boost to compile using the appropriate GCC version.
open("user-config.jam", "a") do |file|
file.write "using darwin : : #{ENV.cxx} ;\n"
file.write "using mpi ;\n" if build.with? 'mpi'
end
# we specify libdir too because the script is apparently broken
bargs = ["--prefix=#{prefix}", "--libdir=#{lib}"]
if build.with? 'icu'
icu4c_prefix = Formula['icu4c'].opt_prefix
bargs << "--with-icu=#{icu4c_prefix}"
else
bargs << '--without-icu'
end
# Handle libraries that will not be built.
without_libraries = []
# The context library is implemented as x86_64 ASM, so it
# won't build on PPC or 32-bit builds
# see https://github.com/Homebrew/homebrew/issues/17646
if Hardware::CPU.ppc? || Hardware::CPU.is_32_bit? || build.universal?
without_libraries << "context"
# The coroutine library depends on the context library.
without_libraries << "coroutine"
end
# Boost.Log cannot be built using Apple GCC at the moment. Disabled
# on such systems.
without_libraries << "log" if ENV.compiler == :gcc || ENV.compiler == :llvm
#without_libraries << "python" if build.without? 'python'
without_libraries << "mpi" if build.without? 'mpi'
bargs << "--without-libraries=#{without_libraries.join(',')}"
bargs << '--with-python-version=3.4'
bargs << '--with-python-root=/usr/local/Cellar/python3/3.4.1/Frameworks/Python.framework/Versions/3.4'
bargs << '--with-python=/usr/local/Cellar/python3/3.4.1/Frameworks/Python.framework/Versions/3.4/bin/python3.4'
args = ["--prefix=#{prefix}",
"--libdir=#{lib}",
"-d2",
"-j#{ENV.make_jobs}",
"--layout=tagged",
"--user-config=user-config.jam",
'include="/usr/local/Cellar/python3/3.4.1/Frameworks/Python.framework/Versions/3.4/include/python3.4m"',
"install"]
if build.with? "single"
args << "threading=multi,single"
else
args << "threading=multi"
end
if build.with? "static"
args << "link=shared,static"
else
args << "link=shared"
end
args << "address-model=32_64" << "architecture=x86" << "pch=off" if build.universal?
# Trunk starts using "clang++ -x c" to select C compiler which breaks C++11
# handling using ENV.cxx11. Using "cxxflags" and "linkflags" still works.
if build.cxx11?
args << "cxxflags=-std=c++11"
if ENV.compiler == :clang
args << "cxxflags=-stdlib=libc++" << "linkflags=-stdlib=libc++"
end
end
system "./bootstrap.sh", *bargs
system "./b2", *args
end
def caveats
s = ''
# ENV.compiler doesn't exist in caveats. Check library availability
# instead.
if Dir["#{lib}/libboost_log*"].empty?
s += <<-EOS.undent
Building of Boost.Log is disabled because it requires newer GCC or Clang.
EOS
end
if Hardware::CPU.ppc? || Hardware::CPU.is_32_bit? || build.universal?
s += <<-EOS.undent
Building of Boost.Context and Boost.Coroutine is disabled as they are
only supported on x86_64.
EOS
end
s
end
end
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