failed precompile 1.4.0 Win64 #469
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So, is it solved? I encounter the same problem in MacOs |
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Have the same problem in MacOS catalina with LLVM installed using homebrew (version Here is the full error: |
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julia> using Cxx |
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I use Julia 1.50 64-bit on Windows 10 64-bit |
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I am also experiencing this issue on Window 10 (Julia v1.5.1 running on a jupyter notebook). It seems that the path to libcxxffi is being incorrectly calculated within For me, this results in the following path: I wrote some hacky code to try to fix this path (see below), however eve with this corrected For clarity sake, I've also uploaded an image of the error, and the folder. I assume the file format isn't important, but this also fails when appending ".dll" to the path. |
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No idea what could be going wrong, but I do wanna point out you can use I tried the same thing you did (but with normpath()) in Windows 10 with Julia 1.6.0-beta1 but no luck: julia> using Cxx
[ Info: Precompiling Cxx [a0b5b9ef-44b7-5148-a2d1-f6db19f3c3d2]
ERROR: LoadError: LoadError: could not load library "C:\Users\QuantumBits\.julia\dev\Cxx\deps\usr\bin\libcxxffi"
The specified procedure could not be found.
Stacktrace:
[1] dlopen(s::String, flags::UInt32; throw_error::Bool)
@ Base.Libc.Libdl .\libdl.jl:114
[2] dlopen
@ .\libdl.jl:114 [inlined]
[3] init_libcxxffi()
@ Cxx.CxxCore ~\.julia\dev\Cxx\src\initialization.jl:23
[4] top-level scope
@ ~\.julia\dev\Cxx\src\initialization.jl:25
[5] include(mod::Module, _path::String)
@ Base .\Base.jl:386
[6] include(x::String)
@ Cxx.CxxCore ~\.julia\dev\Cxx\src\Cxx.jl:144
[7] top-level scope
@ ~\.julia\dev\Cxx\src\Cxx.jl:170
[8] include
@ .\Base.jl:386 [inlined]
[9] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt64}}, source::Nothing)
@ Base .\loading.jl:1209
[10] top-level scope
@ none:1
[11] eval
@ .\boot.jl:360 [inlined]
[12] eval(x::Expr)
@ Base.MainInclude .\client.jl:446
[13] top-level scope
@ none:1
in expression starting at C:\Users\QuantumBits\.julia\dev\Cxx\src\initialization.jl:25
in expression starting at C:\Users\QuantumBits\.julia\dev\Cxx\src\Cxx.jl:142
ERROR: Failed to precompile Cxx [a0b5b9ef-44b7-5148-a2d1-f6db19f3c3d2] to C:\Users\QuantumBits\.julia\compiled\v1.6\Cxx\jl_7ED7.tmp.
Stacktrace:
[1] error(s::String)
@ Base .\error.jl:33
[2] compilecache(pkg::Base.PkgId, path::String, internal_stderr::Base.TTY, internal_stdout::Base.TTY)
@ Base .\loading.jl:1356
[3] compilecache(pkg::Base.PkgId, path::String)
@ Base .\loading.jl:1302
[4] _require(pkg::Base.PkgId)
@ Base .\loading.jl:1017
[5] require(uuidkey::Base.PkgId)
@ Base .\loading.jl:910
[6] require(into::Module, mod::Symbol)
@ Base .\loading.jl:897 |
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I stumbled upon the same problem in my windows machine with julia versions 1.8.5 and 1.10.1. Following up on trying to diagnose the problem with libcxxffi, I used "DLL Export Viewer" on libcxxffi.dll and got the following output: nothing. It seems like no functions are being exported. screenshot
In contrast, running the "DLL Export viewer" on all other libraries in the same directory shows a list of exported functions. For instance, this is the output for libdl.dll screenshot
Until this bug is fixed, you will have to install julia 1.3.1. As pointed out in the README, Cxx works out of the box in this julia version. |
I get different errors to #464, so I thought I'd make a new issue.
The first exception is:
LoadError: could not load library "C:\Users\Colin\.julia\packages\Cxx\bZSeY\src\..\deps\usr\bin\libcxxffi"Tested on Cxx.jl 0.4.0 and master
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