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kotlinlang

Hi, I wonder how K/N cross compile very well. When writing JNI, I literally have no option other than create a VM download and install c/c++ toolchains, and then compile. I'd like to know how K/N exactly do this so I can take an inspiration and probably try something :slightly_smiling_face:, anybody can provide some info?

<https://youtrack.jetbrains.com/issue/KT-43974>

<@U5969P4HZ> Hi seems like you're already experienced with meson. Can you help me figure out what's wrong in my setup that it says
```..\meson.build:14:0: ERROR: Unknown variable "binaries".```
`meson.build` :
```project('c++ foolib', 'cpp',
  version : '1.0.0',
  license : 'MIT')

foo_sources = ['source1.cpp']
shared_library('foo', foo_sources)

[target_machine]
system = 'linux'
cpu_family = 'x86_64'
cpu = 'x86_64'
endian = 'little'

[binaries]
c          = '\\\\wsl$\\Ubuntu\\usr\\bin\\gcc'
cpp        = '\\\\wsl$\\Ubuntu\\usr\\bin\\g++'```


Well, I did hello-world test repo 4 years ago, but not touched it since then:
<https://github.com/msink/hello-c|https://github.com/msink/hello-c>
In short - [target_machine] and [binaries] should be in separate file, not in meson.build,
and --cross-file command line option should refer to that file