Re: [R] readline detection problems

From: Patricia J. Hawkins <phawkins_at_connact.com>
Date: Mon 06 Feb 2006 - 12:18:16 EST

>>>>> "BO" == Benjamin Otto <b.otto@uke.uni-hamburg.de> writes:

BO> Dear community,
BO> I'm trying to install R-2.2.1 on an IRIX 6.2 (Unix System V Release 4)
BO> system without root access. Unfortunately readline is not installed in
BO> default, so I installed it locally in my home directory, more precisely in:
BO> $HOME/vol/readline-5.1, where $HOME is "/home3/fa/faga001". Afterwards I
BO> appended the path to the library with several $PATH variable, which now
BO> looks like:

BO> PATH=:/usr/sbin:/usr/bsd:/sbin:/usr/bin:/bin:/usr/bin/X11:/usr/local/bin:/us
BO> r/freeware/bin:/usr/local/bin:.:/home3/fa/faga001/vol:/home3/fa/faga001/vol/ BO> readline-5.1:/home3/fa/faga001/vol/readline-5.1/lib

Ok, on Unix-alikes, libraries and executables are treated differently; PATH is for executables only. So you're looking for something to do with libraries.

BO> Still, readline is not detected by the configure script. I tried the BO> commands:

BO> ./configure --with-readline="-L/$HOME/vol/readline"
BO> ./configure --with-readline="/$HOME/vol/readline"
BO> ./configure --with-readline=/$HOME/vol/readline

If you run "./configure --help", it tells you that --with-readline takes the values 'yes' and 'no', with the default being 'yes', so you don't need to set it.

BO> ./configure --x-includes="-L/$HOME/vol/readline" BO> ./configure --x-includes="/$HOME/vol/readline"

This is for telling configure where to find X window system header files (.h or .hh files)

BO> ./configure --x-libraries="-L/$HOME/vol/readline" BO> ./configure --x-libraries="/$HOME/vol/readline"

This is for telling configure where to find X window system libraries.

If you look at the R Installation and Administration help page, and search on "compilation flags" (or just search repeatedly on "readline"!), you'll find that what you want to set is the environment variable LDFLAGS -- probably like this:
export LDFLAGS="-L/home3/fa/faga001/vol/readline-5.1/" or
export LDFLAGS="-L/home3/fa/faga001/vol/readline-5.1/ -L/usr/local/lib"

BO> trying out the different path variants which I previously included
BO> in the $PATH variable. Nothing helps yet. According to printenv
BO> there is currently no kind of $LIBRARY or sth. like that defined,
BO> but maybe the path should rather be included in such an
BO> env. variable, I didn't find any hint in the documentation.

When all else fails, I resort to pulling the configure script into my favorite text editor and reading that...

-- 
Patricia J. Hawkins
Hawkins Internet Applications
www.hawkinsia.com

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Received on Mon Feb 06 13:18:46 2006

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