[CMake] find_program refuse find su and sudo

[Michael Wild]

On 12. Sep, 2010, at 14:01 , Serghei Amelian wrote:

> Hello,
> 
> I try to check where are located su and sudo and, guess what, cmake do not 
> want to find it :) Maybe it's because sudo and su are suid-ed, but this is 
> not documented.
> 
> This is a little script and output:
> 
> ##############
> cmake_minimum_required( VERSION 2.6 )
> 
> project( test )
> 
> find_program( VAR_LS ls )
> find_program( VAR_TAR tar )
> find_program( VAR_SU su )
> find_program( VAR_SUDO sudo )
> 
> message( STATUS ${VAR_LS} )
> message( STATUS ${VAR_TAR} )
> message( STATUS ${VAR_SU} )
> message( STATUS ${VAR_SUDO} )
> ###############
> 
> -- The C compiler identification is GNU
> -- The CXX compiler identification is GNU
> -- Check for working C compiler: /usr/bin/gcc
> -- Check for working C compiler: /usr/bin/gcc -- works
> -- Detecting C compiler ABI info
> -- Detecting C compiler ABI info - done
> -- Check for working CXX compiler: /usr/bin/c++
> -- Check for working CXX compiler: /usr/bin/c++ -- works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- /bin/ls
> -- /bin/tar
> -- VAR_SU-NOTFOUND
> -- VAR_SUDO-NOTFOUND
> -- Configuring done
> -- Generating done
> 
> Of course I have su and sudo installed:
> 
> # which sudo su
> /usr/bin/sudo
> /bin/su
> 
> Any clue?
> 
> -- 
> Serghei

It's because they're only readable by root. See

http://www.vtk.org/Bug/view.php?id=10468

Michael

--
There is always a well-known solution to every human problem -- neat, plausible, and wrong.
H. L. Mencken

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