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doc: Add nproc support for Mac through coreutils #30936

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doc: simplify nproc+1 to nproc
l0rinc Sep 21, 2024
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doc: Add nproc support for mac through coreutils
l0rinc Sep 21, 2024
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7 changes: 5 additions & 2 deletions doc/build-osx.md
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Expand Up @@ -223,10 +223,13 @@ After configuration, you are ready to compile.
Run the following in your terminal to compile Bitcoin Core:

``` bash
cmake --build build # Use "-j N" here for N parallel jobs.
ctest --test-dir build # Use "-j N" for N parallel tests. Some tests are disabled if Python 3 is not available.
cmake --build build -j$(nproc)
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Could also use -G ninja, the ninja build system uses all available CPU threads by default 😎
(not sure we'd want to recommend it as default tho)

ctest --test-dir build -j$(nproc) # Some tests are disabled if Python 3 is not available.
```

Note: On macOS, the `nproc` command is not available by default.
You can install it by running `brew install coreutils`.

### 3. Deploy (optional)

You can also create a `.zip` containing the `.app` bundle by running the following command:
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5 changes: 4 additions & 1 deletion doc/productivity.md
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Expand Up @@ -59,9 +59,12 @@ If you do need the wallet enabled (`-DENABLE_WALLET=ON`), it is common for devs
If you have multiple threads on your machine, you can utilize all of them with:

```sh
cmake --build build -j "$(($(nproc)+1))"
cmake --build build -j$(nproc)
```

Note: On macOS, the `nproc` command is not available by default.
You can install it by running `brew install coreutils`.

### Only build what you need

When rebuilding during development, note that running `cmake --build build`, without giving a target, will do a lot of work you probably don't need. It will build the GUI (if you've enabled it) and all the tests (which take much longer to build than the app does).
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