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Add some docs for building from source and binary. fixes #10063 (#420)

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Alon Zakai
2020-05-12 11:18:11 -07:00
committed by GitHub
parent f5e21de6d6
commit d75a9a845f
1 changed files with 11 additions and 2 deletions
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README.md
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@@ -11,11 +11,19 @@ released.
You can also set up Emscripten from source, without the pre-built SDK, see You can also set up Emscripten from source, without the pre-built SDK, see
"Installing from Source" below. "Installing from Source" below.
## Downloads ## Downloads / How do I get the latest Emscripten build?
To get started with Emscripten development, see the [Emscripten website To get started with Emscripten development, see the [Emscripten website
documentation](https://emscripten.org/docs/getting_started/downloads.html). documentation](https://emscripten.org/docs/getting_started/downloads.html).
That explains how to use the emsdk to get the latest binary builds (without
compiling from source). Basically, that amounts to
```
./emsdk install latest
./emsdk activate latest
```
## SDK Concepts ## SDK Concepts
The Emscripten SDK is effectively a small package manager for tools that are The Emscripten SDK is effectively a small package manager for tools that are
@@ -118,7 +126,7 @@ Emsdk contains a history of old compiler versions that you can use to maintain
your migration path. Type `emsdk list --old` to get a list of archived tool and your migration path. Type `emsdk list --old` to get a list of archived tool and
SDK versions, and `emsdk install <name_of_tool>` to install it. SDK versions, and `emsdk install <name_of_tool>` to install it.
### I want to build from source/I want to download a precompiled build! ### I want to build from source!
Some Emsdk Tool and SDK targets refer to packages that are precompiled, and Some Emsdk Tool and SDK targets refer to packages that are precompiled, and
no compilation is needed when installing them. Other Emsdk Tools and SDK no compilation is needed when installing them. Other Emsdk Tools and SDK
@@ -132,6 +140,7 @@ To obtain and build latest upstream wasm SDK from source, run
``` ```
emsdk install sdk-upstream-master-64bit emsdk install sdk-upstream-master-64bit
emsdk activate sdk-upstream-master-64bit
``` ```
You can use this target for example to bootstrap developing patches to LLVM, You can use this target for example to bootstrap developing patches to LLVM,