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Getting Started

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Joshua Peterson edited this page Aug 21, 2014 · 5 revisions

Installing

Clone this repo using git.

git clone [email protected]:google/pepper.js.git

Install the NaCl SDK. Set the NACL_SDK_ROOT environment variable to be an absolute path that points to the desired pepper_* directory inside of the NaCl SDK. For example, to temporarily set the environment variable:

set NACL_SDK_ROOT=c:\path\to\nacl_sdk\pepper_31  (Windows)
export NACL_SDK_ROOT=/path/to/nacl_sdk/pepper_31  (Almost everything else)

Install the Emscripten SDK.

Emscripten expects a python2 binary to exist. If it does not exist on your system, such as on OSX, you can create a symlink. sudo ln -s /usr/bin/python /usr/bin/python2

Building the Examples

cd examples
make TOOLCHAIN=emscripten CONFIG=Debug
make TOOLCHAIN=emscripten CONFIG=Release
make TOOLCHAIN=pnacl CONFIG=Debug
make TOOLCHAIN=pnacl CONFIG=Release

When you run Emscripten for the first time, it will build a few dependencies in the background and the compilation may appear to hang. Emscripten will also create a create a configuration file named ~/.emscripten. You may need to edit this file if it fails to guess the correct paths, or you want to use a version other than the one it guessed.

Running the Examples

cd .. (out of the examples directory)
python ./tools/httpd.py

Surf to http://127.0.0.1:5103/examples/examples.html. Note that this web server can be accessed remotely, for better and for worse.

Note that to run the NaCl examples you'll need to pass --enable-nacl to Chrome on the command line or enable it in about:flags.

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