Re: fatal error: ppl_c.h: No such file or directory

[Kai Ruottu <kai dot ruottu at wippies dot com>]

31.3.2011 19:05, Kai Ruottu kirjoitti:

> 31.3.2011 17:16, Mahmood Naderan kirjoitti:
>
> > /opt/gcc4.6build/./gcc/cc1: error while loading shared libraries:
> > libmpc.so.2:
> > cannot open shared object file: No such file or directory
> >
> > It complains about libmpc.so.2 however I have this file since I
> > installed MPC from source:
> >
> > root@pc:/opt/gcc4.6build# ls -l /usr/local/lib/libmpc.*
> > -rw-r--r-- 1 root root 147256 2011-03-31 12:37 /usr/local/lib/libmpc.a
> > -rwxr-xr-x 1 root root 946 2011-03-31 12:37 /usr/local/lib/libmpc.la
> > lrwxrwxrwx 1 root root 15 2011-03-31 12:37 /usr/local/lib/libmpc.so ->
> > libmpc.so.2.0.0
> > lrwxrwxrwx 1 root root 15 2011-03-31 12:37 /usr/local/lib/libmpc.so.2 ->
> > libmpc.so.2.0.0
> > -rwxr-xr-x 1 root root 89558 2011-03-31 12:37
> > /usr/local/lib/libmpc.so.2.0.0
> >
> > As you can see in the config.log, I configured the gcc to install in
> > /usr. What should I do in order to tell gcc where is libmpc.so.2 ?
>
> Aren't there any "linux-help" list for questions like this?

Let's add some expected logic (common sense) into this issue :

- when someone wants to add new shared libraries, new tools etc
  from sources into the "Linux system", one configures their
  sources using '--prefix=/usr'

- if one doesn't want the "original system" being mixed with one's
  own local additions, then the default '--prefix=/usr/local' is
  one good choice. But one must take the local additions in
  '/usr/local/bin' and '/usr/local/lib' in use via modifying PATH
  and something else for the shared libraries, like adding a new
  '.conf' text file into the '/etc/ld.so.conf.d'. For instance my
  system has :

    [root@localhost etc]# cat ld.so.conf.d/*.conf
    /usr/lib/mysql
    /opt/meego/lib
    /usr/lib/qt-3.3/lib
    /usr/lib/xulrunner-1.9.2

Maybe the previous isn't the "official truth", but hopefully it
is at least a little near it...