# Error in installation

**URL:** https://forum.mothur.org/t/error-in-installation/150
**Category:** mothur bugs
**Created:** [February 12, 2010, 9:48pm UTC](https://forum.mothur.org/t/error-in-installation/150 "2010-02-12T21:48:05Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![stoneraining](https://avatars.discourse-cdn.com/v4/letter/s/ac91a4/32.png) [@stoneraining](https://forum.mothur.org/u/stoneraining)
#### Post date: [February 12, 2010, 9:48pm UTC](https://forum.mothur.org/t/error-in-installation/150/1 "2010-02-12T21:48:05Z")

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Hi,  
I downloaded the source today. When i try to compile in on my pc (Ubuntu 9.04, 64bit), Error was coming up. And the compiling was stopped. What’s wrong with that?

stone@stone-desktop:~/software/mothur$ make  
g++ -O3 -DUSE\_READLINE sharedutilities.cpp -c -I. -o ./sharedutilities.o  
In file included from sharedutilities.h:12,  
from sharedutilities.cpp:10:  
mothur.h:57:33: error: readline/readline.h: No such file or directory  
mothur.h:58:32: error: readline/history.h: No such file or directory  
In file included from sharedutilities.h:12,  
from sharedutilities.cpp:10:  
mothur.h: In function ‘int renameFile(std::string, std::string)’:  
mothur.h:635: warning: ignoring return value of ‘int system(const char\*)’, declared with attribute warn\_unused\_result  
mothur.h:639: warning: ignoring return value of ‘int system(const char\*)’, declared with attribute warn\_unused\_result  
mothur.h: In function ‘std::string sortFile(std::string)’:  
mothur.h:989: warning: ignoring return value of ‘int system(const char\*)’, declared with attribute warn\_unused\_result  
make: \*\*\* [sharedutilities.o] Error 1

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### Author: ![laalaa99stl](https://avatars.discourse-cdn.com/v4/letter/l/eb9ed0/32.png) [@laalaa99stl](https://forum.mothur.org/u/laalaa99stl)
#### Post date: [February 12, 2010, 10:08pm UTC](https://forum.mothur.org/t/error-in-installation/150/2 "2010-02-12T22:08:53Z")

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sudo apt-get install readline  
apt-get install libreadline-dev

Robin

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### Author: ![stoneraining](https://avatars.discourse-cdn.com/v4/letter/s/ac91a4/32.png) [@stoneraining](https://forum.mothur.org/u/stoneraining)
#### Post date: [February 12, 2010, 10:36pm UTC](https://forum.mothur.org/t/error-in-installation/150/3 "2010-02-12T22:36:52Z")

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Thank you very much!  
It works now.  
Stone