yihui/knitr — Issue #79: Problem installing on Mac OS 10.7.2
Author: pchalasani
Created: 2012-01-11 17:14:13+00:00
State: open

I have R-2.14.1.
Following the simple installation instructions, I installed `devtools`, but when I do `install_github('knitr', 'yihui')`, I get this error message:

```
> install_github('knitr', 'yihui')
Installing knitr from yihui
Installing knitr
* checking for file '/private/var/folders/j4/vll_yjq95076jc7bt3nq8z_m0000gn/T/RtmpM0D8Q6/yihui-knitr-47e7b8a/DESCRIPTION' ... OK
* preparing 'knitr':
* checking DESCRIPTION meta-information ... OK
* checking for LF line-endings in source and make files
* checking for empty or unneeded directories
* building 'knitr_0.0.8.tar.gz'

Warning: invalid package '/var/folders/j4/vll_yjq95076jc7bt3nq8z_m0000gn/T//RtmpM0D8Q6/knitr_0.0.8.tar.gz'
Error: ERROR: no packages specified
Warning message:
In install.packages(built_path, repos = NULL, type = "source") :
installation of package '/var/folders/j4/vll_yjq95076jc7bt3nq8z_m0000gn/T//RtmpM0D8Q6/knitr_0.0.8.tar.gz' had non-zero exit status
```