64ec3a7d0e
This commit modifies boost.rb to provide C++11 support for compiling Boost. The support is the simplest possible, adding a "with-c++11" option which if selected will add the appropriate toolset switch to the bootstrap.sh invocation and the appropriate toolset, cxxflags and linkflags to the b2 invocation. Due to a bug in Boost, it is also necessary to provide a patch (IAW Boost Ticket 7671) or C++11 compilation will fail. Closes Homebrew/homebrew#16078. Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
118 lines
4.2 KiB
Ruby
118 lines
4.2 KiB
Ruby
require 'formula'
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def needs_universal_python?
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build.universal? and not build.include? "without-python"
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end
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class UniversalPython < Requirement
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def message; <<-EOS.undent
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A universal build was requested, but Python is not a universal build
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Boost compiles against the Python it finds in the path; if this Python
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is not a universal build then linking will likely fail.
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EOS
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end
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def satisfied?
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archs_for_command("python").universal?
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end
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end
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class Boost < Formula
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homepage 'http://www.boost.org'
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url 'http://downloads.sourceforge.net/project/boost/boost/1.52.0/boost_1_52_0.tar.bz2'
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sha1 'cddd6b4526a09152ddc5db856463eaa1dc29c5d9'
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head 'http://svn.boost.org/svn/boost/trunk'
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bottle do
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sha1 'a4e733fe67c15b7bfe500b0855d84616152f7042' => :mountainlion
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sha1 'dd94aac5f03fb553c1c0e393fbd346748b0bc524' => :lion
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sha1 '5fae01afa7e5c6e2d29ec32a24324fdaa14cf594' => :snowleopard
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end
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env :userpaths
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option :universal
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option 'with-mpi', 'Enable MPI support'
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option 'without-python', 'Build without Python'
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option 'with-icu', 'Build regexp engine with icu support'
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option 'with-c++11', 'Compile using Clang, std=c++11 and stdlib=libc++' if MacOS.version >= :lion
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depends_on UniversalPython.new if needs_universal_python?
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depends_on "icu4c" if build.include? "with-icu"
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depends_on MPIDependency.new(:cc, :cxx) if build.include? "with-mpi"
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fails_with :llvm do
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build 2335
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cause "Dropped arguments to functions when linking with boost"
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end
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# Patch boost/config/stdlib/libcpp.hpp to fix the constexpr bug reported under Boost 1.52 in Ticket
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# 7671. This patch can be removed when upstream release an updated version including the fix.
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def patches
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if MacOS.version >= :lion and build.include? 'with-c++11'
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{:p0 => "https://svn.boost.org/trac/boost/raw-attachment/ticket/7671/libcpp_c11_numeric_limits.patch"}
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end
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end
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def install
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# Adjust the name the libs are installed under to include the path to the
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# Homebrew lib directory so executables will work when installed to a
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# non-/usr/local location.
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#
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# otool -L `which mkvmerge`
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# /usr/local/bin/mkvmerge:
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# libboost_regex-mt.dylib (compatibility version 0.0.0, current version 0.0.0)
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# libboost_filesystem-mt.dylib (compatibility version 0.0.0, current version 0.0.0)
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# libboost_system-mt.dylib (compatibility version 0.0.0, current version 0.0.0)
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#
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# becomes:
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#
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# /usr/local/bin/mkvmerge:
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# /usr/local/lib/libboost_regex-mt.dylib (compatibility version 0.0.0, current version 0.0.0)
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# /usr/local/lib/libboost_filesystem-mt.dylib (compatibility version 0.0.0, current version 0.0.0)
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# /usr/local/lib/libboost_system-mt.dylib (compatibility version 0.0.0, current version 0.0.0)
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inreplace 'tools/build/v2/tools/darwin.jam', '-install_name "', "-install_name \"#{HOMEBREW_PREFIX}/lib/"
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# Force boost to compile using the appropriate GCC version
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open("user-config.jam", "a") do |file|
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file.write "using darwin : : #{ENV.cxx} ;\n"
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file.write "using mpi ;\n" if build.include? 'with-mpi'
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end
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# we specify libdir too because the script is apparently broken
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bargs = ["--prefix=#{prefix}", "--libdir=#{lib}"]
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bargs << "--with-toolset=clang" if build.include? "with-c++11"
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if build.include? 'with-icu'
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icu4c_prefix = Formula.factory('icu4c').opt_prefix
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bargs << "--with-icu=#{icu4c_prefix}"
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else
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bargs << '--without-icu'
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end
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args = ["--prefix=#{prefix}",
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"--libdir=#{lib}",
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"-d2",
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"-j#{ENV.make_jobs}",
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"--layout=tagged",
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"--user-config=user-config.jam",
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"threading=multi",
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"install"]
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if MacOS.version >= :lion and build.include? 'with-c++11'
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args << "toolset=clang" << "cxxflags=-std=c++11"
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args << "cxxflags=-stdlib=libc++" << "cxxflags=-fPIC"
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args << "linkflags=-stdlib=libc++"
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args << "linkflags=-headerpad_max_install_names"
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args << "linkflags=-arch x86_64"
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end
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args << "address-model=32_64" << "architecture=x86" << "pch=off" if build.universal?
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args << "--without-python" if build.include? "without-python"
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system "./bootstrap.sh", *bargs
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system "./b2", *args
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end
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end
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