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Hi all,

I am currently trying to build a small project for arm64.
I wanted to ask if it is possible to create a custom target. I mean something *different* than using:

```kotlin{
 linuxArm64()
}```
I am interested in creating a custom target for arm64 where I can specify what compiler/linker options I want to use.

Thanks in advance!

```
kotlin {
    linuxArm64("arm64") {
        ... configure all the things
    }
}
```

Thanks for the answer. The target `linuxArm64` compiles with the following flags: `
```clangFlags.linux_arm64 = -cc1 -target-cpu cortex-a57 -emit-obj -disable-llvm-optzns -x ir```
`
These are defined in `konan.properties` .
What about if I want to use a different `target-cpu` ?

I tried to set `
```binaries {
 executable {
   entryPoint = "cairo.main"
   freeCompilerArgs += listOf("-target-cpu=cortex-axx")
 }
}```
but this fails with:
```e: Invalid argument: -target-cpu=cortex-axx```

`freeCompilerArgs` is for the Kotlin compiler. I don't know whether what you want is supported.

I think it is not supported yet. <https://kotlinlang.slack.com/archives/C3SGXARS6/p1581939262401700>