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Improve cpu=baseline instructions

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CJ van den Berg 2024-10-26 13:22:14 +02:00 • committed by GitHub
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README.md
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@ -20,22 +20,23 @@ Make sure your system meets the requirements listed above.
Flow builds with zig 0.13 at this time. Build with:
```shell
zig build -Doptimize=ReleaseSafe -Dcpu=baseline
zig build -Doptimize=ReleaseSafe
```
`-Dcpu=baseline` is optional, but may be required to prevent illegal instruction errors depending on
zig's support for your cpu features.
Zig will by default build a binary optimized for your specific CPU. If you get illegal instruction errors add `-Dcpu=baseline` to the build command to produce a binary with generic CPU support.
Thanks to Zig you may also cross-compile from any host to pretty much any
target. For example:
```shell
zig build -Doptimize=ReleaseSafe -Dcpu=baseline -Dtarget=x86_64-windows --prefix zig-out/x86_64-windows
zig build -Doptimize=ReleaseSafe -Dcpu=baseline -Dtarget=x86_64-macos-none --prefix zig-out/x86_64-macos
zig build -Doptimize=ReleaseSafe -Dcpu=baseline -Dtarget=aarch64-linux-musl --prefix zig-out/aarch64-linux -Dcpu=baseline
zig build -Doptimize=ReleaseSafe -Dtarget=x86_64-windows --prefix zig-out/x86_64-windows
zig build -Doptimize=ReleaseSafe -Dtarget=x86_64-macos-none --prefix zig-out/x86_64-macos
zig build -Doptimize=ReleaseSafe -Dtarget=aarch64-linux-musl --prefix zig-out/aarch64-linux
```
When cross-compiling zig will build a binary with generic CPU support.
# Running Flow Control
The binary is: