# HttpParser installation problem
**URL:** https://discourse.julialang.org/t/httpparser-installation-problem/3498
**Category:** New to Julia
**Created:** [May 3, 2017, 11:36am UTC](https://discourse.julialang.org/t/httpparser-installation-problem/3498 "2017-05-03T11:36:25Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@fonsecadeline](https://discourse.julialang.org/u/fonsecadeline)
#### Post date: [May 3, 2017, 11:36am UTC](https://discourse.julialang.org/t/httpparser-installation-problem/3498/1 "2017-05-03T11:36:25Z")
Hi,
Atom is asking me to install HttpParser package with Pkg.build(“HttpParser”) command but I get this error :
```julia
julia> Pkg.build("HttpParser")
INFO: Building HttpParser
INFO: Attempting to Create directory /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/downloads
INFO: Directory /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/downloads already created
INFO: Attempting to Create directory /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/downloads
INFO: Directory /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/downloads already created
INFO: Downloading file https://github.com/nodejs/http-parser/archive/v2.7.1.zip
INFO: Done downloading file https://github.com/nodejs/http-parser/archive/v2.7.1.zip
INFO: Attempting to Create directory /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps
INFO: Directory /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps already created
INFO: Path /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/src/http-parser-2.7.1 already created
INFO: Attempting to Create directory /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/usr/lib
INFO: Directory /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/usr/lib already created
INFO: Changing Directory to /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/src/http-parser-2.7.1
INFO: Changing Directory to /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/src/http-parser-2.7.1
INFO: Changing Directory to /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/src
INFO: Attempting to Create directory /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/usr/lib
INFO: Directory /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/usr/lib already created
INFO: Changing Directory to /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/src
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
=======================================================================[ERROR: HttpParser]========================================================================
LoadError: failed process: Process(setenv(`make -j8 -C http-parser-2.7.1 library`,String["XPC_FLAGS=0x0","PYTHON=/usr/bin/python","PATH=/Applications/JuliaPro-0.5.0.5.app/Contents/Resources/julia/Contents/Resources/julia/bin:/Applications/JuliaPro-0.5.0.5.app/Contents/Resources/julia/Contents/Resources/julia/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin:/Library/TeX/texbin:/Users/Adeline/Applications/IBM/ILOG/CPLEX_Studio127/cplex/bin/x86-64_osx:/Applications/JuliaPro-0.5.0.5.app/Contents/Resources/julia/Contents/Resources/julia/bin/","PWD=/Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5","JULIA_PKGDIR=/Applications/JuliaPro-0.5.0.5.app/Contents/Resources/julia/Contents/Resources/julia/../../../../pkgs-0.5.0.5","DISPLAY=/private/tmp/com.apple.launchd.SFiOFOoR3G/org.macosforge.xquartz:0","XPC_SERVICE_NAME=0","TERM_PROGRAM=Apple_Terminal","JUPYTER=/Users/Adeline/Library/Python/2.7/bin/jupyter","SHELL=/bin/bash","__CF_USER_TEXT_ENCODING=0x1F9:0x0:0x1","LD_LIBRARY_PATH=/Users/Adeline/Applications/IBM/ILOG/CPLEX_Studio127/cplex/bin/x86-64_osx","DYLD_LIBRARY_PATH=/Users/Adeline/Applications/IBM/ILOG/CPLEX_Studio127/cplex/bin/x86-64_osx","SONAME=libhttp_parser.dylib","TMPDIR=/var/folders/8b/7s2_86892813214t4n2g454m0000gs/T/","TK_LIBRARY=/System/Library/Frameworks/Tk.framework/Versions/8.5/Resources/Scripts","FONTCONFIG_PATH=/Applications/JuliaPro-0.5.0.5.app/Contents/Resources/julia/Contents/Resources/julia/etc/fonts","LANG=fr_FR.UTF-8","SHLVL=1","LOGNAME=Adeline","OLDPWD=/Users/Adeline","TERM_SESSION_ID=D404120C-6DE5-4572-BAE1-EC740B82CC88","SSH_AUTH_SOCK=/private/tmp/com.apple.launchd.VZRMaFQpz1/Listeners","_=/Applications/JuliaPro-0.5.0.5.app/Contents/Resources/julia/Contents/Resources/julia/bin/julia","GADFLY_THEME=dark","Apple_PubSub_Socket_Render=/private/tmp/com.apple.launchd.7XUGN6hSyh/Render","USER=Adeline","TERM=xterm-256color","HOME=/Users/Adeline","TERM_PROGRAM_VERSION=388.1","OPENBLAS_MAIN_FREE=1"]), ProcessExited(1)) [1]
while loading /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5/HttpParser/deps/build.jl, in expression starting on line 71
====================================================================================================================================================================
==========================================================================[BUILD ERRORS]==========================================================================
WARNING: HttpParser had build errors.
- packages with build errors remain installed in /Applications/JuliaPro-0.5.0.5.app/Contents/Resources/pkgs-0.5.0.5/v0.5
- build the package(s) and all dependencies with `Pkg.build("HttpParser")`
- build a single package by running its `deps/build.jl` script
====================================================================================================================================================================
Here is my Pkg.status() :
julia> Pkg.status()
4 required packages:
- Atom 0.5.10
- CPLEX 0.2.6
- HttpParser 0.2.0
- JuMP 0.16.2
52 additional packages:
- ASTInterpreter 0.0.4
- AbstractTrees 0.0.4
- ArgParse 0.5.0
- BinDeps 0.4.7
- Blink 0.5.2
- COFF 0.0.2
- CRC 1.2.0
- Calculus 0.2.2
- CodeTools 0.4.5
- Codecs 0.3.0
- ColorTypes 0.4.1
- Colors 0.7.3
- Compat 0.24.0
- DWARF 0.1.0
- DataStructures 0.5.3
- DiffBase 0.1.0
- ELF 0.1.0
- FileIO 0.3.1
- FixedPointNumbers 0.3.7
- ForwardDiff 0.4.2
- Gallium 0.0.4
- Hiccup 0.1.1
- Homebrew 0.5.6
- HttpCommon 0.2.7
- HttpServer 0.2.0
- JSON 0.10.0
- JuliaParser 0.7.4
- Juno 0.2.7
- LNR 0.0.2
- Lazy 0.11.6
- MachO 0.0.4
- MacroTools 0.3.6
- MathProgBase 0.6.4
- MbedTLS 0.4.5
- Media 0.2.7
- Mustache 0.1.4
- Mux 0.2.3
- NaNMath 0.2.4
- ObjFileBase 0.0.4
- Reactive 0.4.1
- Reexport 0.0.3
- Requires 0.3.0
- ReverseDiffSparse 0.7.2
- SHA 0.3.2
- SpecialFunctions 0.1.1
- StructIO 0.0.2
- TerminalUI 0.0.2
- TextWrap 0.2.0
- Tokenize 0.1.6
- URIParser 0.1.8
- VT100 0.1.0
- WebSockets 0.2.1
```
Can anyone help me with this issue ?
---
### Author:  [@tkelman](https://discourse.julialang.org/u/tkelman)
#### Post date: [May 4, 2017, 3:49am UTC](https://discourse.julialang.org/t/httpparser-installation-problem/3498/2 "2017-05-04T03:49:26Z")
Try running `xcode-select --install`, see if that helps
---
### Author:  [@fonsecadeline](https://discourse.julialang.org/u/fonsecadeline)
#### Post date: [May 4, 2017, 12:52pm UTC](https://discourse.julialang.org/t/httpparser-installation-problem/3498/3 "2017-05-04T12:52:42Z")
That solved the problem, thanks!