Build Boost Framework for iOS & OSX

Using Xcode5 (armv7, armv7s, arm64, i386, x86_64)

Boost Source

Script does not yet support downloading the source code, so you have to get it manually.

The script is expecting bz2 tarball. Put the tarball in the same folder with boost.sh.

Make sure you keep the tarball name unchanged, so it is like boost_1_53_0.tar.bz2.

Build

Use boost.sh to build boost framework. Run boost.sh -h to get help message.

Modify BOOST_LIBS with list of libraries that you need.

Examples:

# clean build version 1.53.0 for ios and osx with c++11
./boost.sh clean --with-c++11 -v 1.53.0

# build version 1.54.0 for ios and osx without c++11, no clean
./boost.sh --version 1.54.0

Troubleshooting

Undefined symbols link error

If you use libraries like serialization you might see link errors in Xcode 5 especially when the framework was built using --with-c++11 flag.

Undefined symbols for architecture i386:
"std::__1::__vector_base_common<true>::__throw_length_error() const", referenced from:
void std::__1::vector<boost::archive::detail::basic_iarchive_impl::cobject_id, std::__1::allocator<boost::archive::detail::basic_iarchive_impl::cobject_id> >::__push_back_slow_path<boost::archive::detail::basic_iarchive_impl::cobject_id>(boost::archive::detail::basic_iarchive_impl::cobject_id&&) in boost(libboost_serialization_basic_iarchive.o)

You have to change your project or target build settings.

Under Apple LLVM 5.0 - Language - C++ make the following changes

C++ Language Dialect set to C++11 [-std=c++11]
C++ Standard Library set to libc++ (LLVM C++ standard library with C++11 support)

Parse errors when including `boost/type_traits.hpp`

If you happen to include <boost/type_traits.hpp> header file, you may see compile errors like this

Unexpected member name of ';' after declaration specifiers

To fix this problem, include the following line in your porject ***-Prefix.pch file.

#define __ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES 0

Header-Only Libraries

Most of the boost libraries are header-only, meaning you only need to include header files to make them work. However, there is a list of libraries that need to be built for your target platform. Check the link above and modify BOOST_LIBS in boost.sh to include or exclude the libraries for your project.

Notes and Changes

`ar` for Simulator Dev Tools

In Xcode 5 there's no ar excutable in SIM_DEV_DIR so using /usr/bin/ar instead.

Demo

Check out this demo project for some examples.

Why not Using Cocoapods?

I tried to use cocoapods spec for boost. However, there's a number of things that made me to switch to using framework instead.

It doesn't include all the subspecs you might need for development
It takes really long time to update every time you run pod update or pod install (given that you have modified Podfile)
- The tarball is downloaded (50+ mb)
- The tarball is unpacked
There's podspec for 1.51.0 only
You can't use the Pod if you need libraries like serialization
- serialization has to be linked as a library, it doesn't work like the rest of the boost libraries by just including hpp headers inline. It needs to be compiled for your target platform.

References and Attribution

This repo is practially a fork of https://github.com/wuhao5/boost. Only this one does not contain boost source code, thus is more lightweight.

The script mentioned above in it's turn is based on great work by Pete Goodliffe

And lots of contributions by other people.

pyu1538/boost-xcode5-iosx

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