Faust.jl fails to precompile with Julia v1.7.2

General Usage
1

Faust.jl fails to compile with Julia v1.7.2 (tested on macOS):

using Faust
[ Info: Precompiling Faust [b0df9959-3f7b-4e37-9fbf-63cb195e8303]
ERROR: LoadError: TypeError: in cfunction method definition, expected Type, got a value of type TypeVar
Stacktrace:
  [1] top-level scope
    @ ~/.julia/packages/Faust/V3cmO/src/uiglue.jl:78
  [2] include(mod::Module, _path::String)

With this code:

function initGlue!(uglue::UIGlue{T}) where {T}

    function _openTabBox(ui, label)::Cvoid
        pushLabel!(uglue.pathBuilder, unsafe_string(label))
        nothing
    end
    openTabBox = @cfunction($_openTabBox, Cvoid, (Ptr{Cvoid}, Cstring))
    
    function _openHorizontalBox(ui, label)::Cvoid
        pushLabel!(uglue.pathBuilder, unsafe_string(label))
        nothing
    end
    openHorizontalBox = @cfunction($_openHorizontalBox, Cvoid, (Ptr{Cvoid}, Cstring))
    
    function _openVerticalBox(ui, label)::Cvoid
        pushLabel!(uglue.pathBuilder, unsafe_string(label))
        nothing
    end
    openVerticalBox = @cfunction($_openVerticalBox, Cvoid, (Ptr{Cvoid}, Cstring))

    function _closeBox(ui)::Cvoid
        popLabel!(uglue.pathBuilder)
        nothing
    end
    closeBox = @cfunction($_closeBox, Cvoid, (Ptr{Cvoid},))

    function _addButton(ui, label, zone)::Cvoid
        path = buildPath(uglue.pathBuilder, unsafe_string(label))
        uglue.paths[path] = zone
        nothing
    end
    addButton = @cfunction(
        $_addButton,
        Cvoid, (Ptr{Cvoid}, Cstring, Ptr{T}))

    function _addCheckButton(ui, label, zone)::Cvoid
        path = buildPath(uglue.pathBuilder, unsafe_string(label))
        uglue.paths[path] = zone
        nothing
    end
    addCheckButton = @cfunction(
        $_addCheckButton,
        Cvoid, (Ptr{Cvoid}, Cstring, Ptr{T}))

    function _addVerticalSlider(ui, label, zone, init, fmin, fmax, step)::Cvoid
        path = buildPath(uglue.pathBuilder, unsafe_string(label))
        uglue.paths[path] = zone
        uglue.ranges[path] = UIRange(init, fmin, fmax, step)
        nothing
    end
    addVerticalSlider = @cfunction(
        $_addVerticalSlider,
        Cvoid, (Ptr{Cvoid}, Cstring, Ptr{T}, T, T, T, T))

    function _addHorizontalSlider(ui, label, zone, init, fmin, fmax, step)::Cvoid
        path = buildPath(uglue.pathBuilder, unsafe_string(label))
        uglue.paths[path] = zone
        uglue.ranges[path] = UIRange(init, fmin, fmax, step)
        nothing
    end
    addHorizontalSlider = @cfunction(
        $_addHorizontalSlider,
        Cvoid, (Ptr{Cvoid}, Cstring, Ptr{T}, T, T, T, T))

    function _addNumEntry(ui, label, zone, init, fmin, fmax, step)::Cvoid
        path = buildPath(uglue.pathBuilder, unsafe_string(label))
        uglue.paths[path] = zone
        uglue.ranges[path] = UIRange(init, fmin, fmax, step)
        nothing
    end
    addNumEntry = @cfunction(
        $_addNumEntry,
        Cvoid, (Ptr{Cvoid}, Cstring, Ptr{T}, T, T, T, T))

    function _addHorizontalBargraph(ui, label, zone, fmin, fmax)::Cvoid
        path = buildPath(uglue.pathBuilder, unsafe_string(label))
        uglue.paths[path] = zone
        nothing
    end
    addHorizontalBargraph = @cfunction(
        $_addHorizontalBargraph,
        Cvoid, (Ptr{Cvoid}, Cstring, Ptr{T}, T, T))

    function _addVerticalBargraph(ui, label, zone, fmin, fmax)::Cvoid
        path = buildPath(uglue.pathBuilder, unsafe_string(label))
        uglue.paths[path] = zone
        nothing
    end
    addVerticalBargraph = @cfunction(
        $_addVerticalBargraph,
        Cvoid, (Ptr{Cvoid}, Cstring, Ptr{T}, T, T))

    function _declare(ui, zone, key, value)::Cvoid
        nothing
    end
    declare = @cfunction(
        $_declare,
        Cvoid, (Ptr{Cvoid}, Ptr{T}, Cstring, Cstring))

# // -- soundfiles   
# typedef void (* addSoundfileFun) (void* ui_interface, const char* label, const char* url, struct Soundfile** sf_zone);
    
    uglue.gluefns = GlueFns(
        openTabBox,
        openHorizontalBox,
        openVerticalBox,
        closeBox,
        addButton,
        addCheckButton,
        addVerticalSlider,
        addHorizontalSlider,
        addNumEntry,
        addHorizontalBargraph,
        addVerticalBargraph,
        declare,
    )
    uglue.openTabBox = uglue.gluefns.openTabBox.ptr
    uglue.openHorizontalBox = uglue.gluefns.openHorizontalBox.ptr
    uglue.openVerticalBox = uglue.gluefns.openVerticalBox.ptr
    uglue.closeBox = uglue.gluefns.closeBox.ptr
    uglue.addButton = uglue.gluefns.addButton.ptr
    uglue.addCheckButton = uglue.gluefns.addCheckButton.ptr
    uglue.addVerticalSlider = uglue.gluefns.addVerticalSlider.ptr
    uglue.addHorizontalSlider = uglue.gluefns.addHorizontalSlider.ptr
    uglue.addNumEntry = uglue.gluefns.addNumEntry.ptr
    uglue.addHorizontalBargraph = uglue.gluefns.addHorizontalBargraph.ptr
    uglue.addVerticalBargraph = uglue.gluefns.addVerticalBargraph.ptr
    uglue.declare = uglue.gluefns.declare.ptr

    uglue
end

Any idea how to fix that ?

2

Tried it on Linux, same problem…

Created an issue: Installing Faust on Julia 1.7.2 fails · Issue #2 · corajr/Faust.jl · GitHub