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mahmoodn · 03-24-2011, 03:54 AM

Sorry I didn't understand.... who is now causing problem?

mahmoodn · 03-24-2011, 09:06 AM

Well I found the root of problem and my own solution to that....

root:
the default location for installing gcc from source is /usr/local. I suddenly remembered that last time I installed gcc from source, I changed it to /usr. More information can be found at http://ubuntuforums.org/showthread.php?t=1611777

solution:
after I realized that I completely reinstall lubuntu. Since this lubuntu was newly installed I decided to format it again

Now that I have installed gcc to /usr everything is working fine.

NOTE: If someone still has a suggestion to remedy that without reinstalling os, I will be thankful for future uses. Since the root is now clear to me, if some now "how to change the location of an installed gcc to another location", please let us know....

knudfl · 03-24-2011, 12:30 PM

Quote:

The default location for installing gcc from source is /usr/local

Only one thing to say : Don't believe everything, you read.

'/usr/local/' is entirely wrong. '/usr/local/<new-dir>/' will do.
See the examples in post #9.

seviyor · 04-21-2011, 04:30 AM

I had the same problem as mahmoodn, caused by same actions

Quote:

Originally Posted by mahmoodn

it is lubuntu 10.10 and I have installed GCC 4.1.2 from source. By default gcc 4.4 is installed. I used that to make and install gcc 4.1.2

Corp769's answer worked for me.

Quote:

Originally Posted by corp769

Edit /usr/lib/libc.conf and comment out the default /usr/local/lib and add /usr/lib. That should do the trick for you.
Cheers,
Josh

But after doing that I had to run ldconfig, to reload that file.

Here are all the commands I used:

Code:

# ldconfig -p | grep libstd
 libstdc++.so.6 (libc6) => /usr/local/lib/libstdc++.so.6
 libstdc++.so.6 (libc6) => /usr/lib/libstdc++.so.6
 libstdc++.so (libc6) => /usr/local/lib/libstdc++.so
# vim /etc/ld.so.conf.d/libc.conf 
# ldconfig
# ldconfig -p | grep libstd
	libstdc++.so.6 (libc6) => /usr/lib/libstdc++.so.6
# apt-get
apt 0.8.3ubuntu7 for i386 compiled on Oct  5 2010 14:07:36

bwise · 04-29-2011, 04:14 AM

Quote:

Originally Posted by seviyor

I had the same problem as mahmoodn, caused by same actions

Corp769's answer worked for me.

But after doing that I had to run ldconfig, to reload that file.

Here are all the commands I used:

Code:

# ldconfig -p | grep libstd
 libstdc++.so.6 (libc6) => /usr/local/lib/libstdc++.so.6
 libstdc++.so.6 (libc6) => /usr/lib/libstdc++.so.6
 libstdc++.so (libc6) => /usr/local/lib/libstdc++.so
# vim /etc/ld.so.conf.d/libc.conf 
# ldconfig
# ldconfig -p | grep libstd
	libstdc++.so.6 (libc6) => /usr/lib/libstdc++.so.6
# apt-get
apt 0.8.3ubuntu7 for i386 compiled on Oct  5 2010 14:07:36

thank you so much for posting ! this worked for me as well