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Issue 29527808: Noissue - Use meson to build the C++ code (Closed) Base URL: https://hg.adblockplus.org/adblockpluscore/
Patch Set: npm test now works Created Aug. 25, 2017, 7:47 p.m.
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Index: README.md
===================================================================
--- a/README.md
+++ b/README.md
@@ -14,36 +14,46 @@
In order to improve performance and memory usage, some of the code (located
inside the `compiled` directory) is written in C++ and compiled to JavaScript
via Empscripten.
### Requirements
* [Emscripten 1.37.3](https://github.com/kripken/emscripten)
* [Python 2.7](https://www.python.org)
+* [meson](https://www.mesonbuild.com)
+* [ninja](https://www.ninja-build.org)
### Running Emscripten
-After installing and configuring Emscripten you can run the following command:
+After installing and configuring Emscripten you can setup the build
+with the following commands:
+
+ mkdir build
+ meson build
- python compile
+Then to build just do:
-This will produce a `lib/compiled.js` exporting the classes defined in C++ code.
+ cd build
+ ninja
+
+This will produce a `build/compiled.js` exporting the classes defined
+in C++ code.
### Technical details
Compilation is currently a two-step process. In the bindings generation step,
the source files are compiled into `compiled/bindings.cpp.js` with the
`PRINT_BINDINGS` symbol defined. This application is then executed via Node.js
and will print JavaScript wrappers for the C++ classes to
-`compiled/bindings.js` according to definitions within the `EMSCRIPTEN_BINDINGS`
+`build/bindings.js` according to definitions within the `EMSCRIPTEN_BINDINGS`
macro in `compiled/bindings.cpp`.
In the actual compilation step the source files are compiled into
-`lib/compiled.js` without the `PRINT_BINDINGS` symbol, so that the
+`build/compiled.js` without the `PRINT_BINDINGS` symbol, so that the
`EMSCRIPTEN_BINDINGS` macro ignores its contents and merely emits some generic
functions necessary for the JavaScript bindings to work. The previously
generated `compiled/bindings.js` file is added to the end of Emscripten output.
The binding generation approach is heavily inspired by
[embind](http://kripken.github.io/emscripten-site/docs/porting/connecting_cpp_and_javascript/embind.html).
However, embind doesn't use a separate build step to produce the bindings, the
bindings are rather generated dynamically at run time. As a side-effect, it
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