# Julia 1.0 building system image on Mac
**URL:** https://discourse.julialang.org/t/julia-1-0-building-system-image-on-mac/13144
**Category:** General Usage
**Created:** [August 10, 2018, 5:29am UTC](https://discourse.julialang.org/t/julia-1-0-building-system-image-on-mac/13144 "2018-08-10T05:29:09Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@tk3369](https://discourse.julialang.org/u/tk3369)
#### Post date: [August 10, 2018, 5:29am UTC](https://discourse.julialang.org/t/julia-1-0-building-system-image-on-mac/13144/1 "2018-08-10T05:29:09Z")
Any idea?
```julia
$ /Applications/Julia-1.0.app/Contents/Resources/julia/bin/julia
_
_ _ _(_)_ | Documentation: https://docs.julialang.org
(_) | (_) (_) |
_ _ _| |_ __ _ | Type "?" for help, "]?" for Pkg help.
| | | | | | |/ _` | |
| | |_| | | | (_| | | Version 1.0.0 (2018-08-08)
_/ |\ __'_|_|_|\__'_| | Official https://julialang.org/ release
|__/ |
julia> include(joinpath(Sys.BINDIR, Base.DATAROOTDIR, "julia", "build_sysimg.jl"))
julia> build_sysimg()
ERROR: UndefVarError: Libdl not defined
Stacktrace:
[1] default_sysimg_path(::Bool) at /Applications/Julia-1.0.app/Contents/Resources/julia/share/julia/build_sysimg.jl:9
[2] #build_sysimg#3(::Bool, ::Bool, ::Function, ::Nothing, ::String, ::Nothing) at /Applications/Julia-1.0.app/Contents/Resources/julia/share/julia/build_sysimg.jl:29
[3] build_sysimg at /Applications/Julia-1.0.app/Contents/Resources/julia/share/julia/build_sysimg.jl:28 [inlined] (repeats 2 times)
[4] top-level scope at none:0
julia> using Libdl
julia> build_sysimg()
ERROR: UndefVarError: info not defined
Stacktrace:
[1] #build_sysimg#3(::Bool, ::Bool, ::Function, ::Nothing, ::String, ::Nothing) at /Applications/Julia-1.0.app/Contents/Resources/julia/share/julia/build_sysimg.jl:36
[2] build_sysimg at /Applications/Julia-1.0.app/Contents/Resources/julia/share/julia/build_sysimg.jl:28 [inlined] (repeats 2 times)
[3] top-level scope at none:0
```
---
### Author:  [@kristoffer.carlsson](https://discourse.julialang.org/u/kristoffer.carlsson)
#### Post date: [August 10, 2018, 6:40am UTC](https://discourse.julialang.org/t/julia-1-0-building-system-image-on-mac/13144/2 "2018-08-10T06:40:11Z")
Seems like a bug, please open an issue.
---
### Author:  [@tk3369](https://discourse.julialang.org/u/tk3369)
#### Post date: [August 10, 2018, 6:43am UTC](https://discourse.julialang.org/t/julia-1-0-building-system-image-on-mac/13144/3 "2018-08-10T06:43:18Z")
Done, thanks.
[https://github.com/JuliaLang/julia/issues/28557](https://github.com/JuliaLang/julia/issues/28557)