Using Boost with Emscripten

Question

I have a c++ project I would like to convert to a web application. For this purpose, I would like to use Emscripten to build the project.

The project uses some exter

Answer 1

UPDATE for emsdk:

After a lot of trial and error, I was able to get emscripten 1.39 to compile Boost 1.71 in the following way:

Install emsdk if you haven't already from https://emscripten.org/docs/getting_started/downloads.html

Navigate to the emsdk install folder and do

./emsdk install latest && ./emsdk activate latest && source ./emsdk_env.sh

Navigate to the directory where you want to clone the Boost repo and run

git clone --recursive https://github.com/boostorg/boost.git

You can add the argument '--jobs N' where N is the number of processes to clone submodules with (this will go a lot faster if you do this).

cd boost

Now use the bootstrap script to create the boost-build executable b2

./bootstrap.sh

Finally, as your emsdk is already activated from the step above, you can build Boost using emconfigure to configure everything as it needs to be for calls to gcc to use emscripten instead

emconfigure ./b2 toolset=gcc --prefix= --build-dir=

Now to install the includes and libs to your chosen prefix directory, run

emconfigure ./b2 toolset=gcc --prefix= --build-dir= install