Where is juliac developed

Internals & Design
32

Suppose the code is

module MyLibrary

Base.@ccallable function myfunc(x::Float64)::Float64
    return x^2
end

end

When it’s compiled using

julia +nightly juliac.jl --output-lib mylib.so --trim mylib.jl

generates mylib.so without the exported function myfunc. When we introduce the --compile-callable option

julia +nightly juliac.jl --output-lib mylib.so --trim --compile-ccallable mylib.jl

produces the mylib.so with the function myfunc included:

#> nm ./mylib.so | grep myfunc
000000000000de00 t jfptr_myfunc_21486
0000000000023ed0 t jlcapi_myfunc_21488
000000000001d0c0 t julia_myfunc_21485
0000000000023ed0 T myfunc
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