How to build g++ 4.5.2 on Ubuntu 10.04

Question

My gcc compiler is a bit outdated - gcc 4.3, so I want to build a new gcc from source since I ran apt-get update, but there were no pre-built version available yet. Has anyone experienced this process before?

Thanks,
Chan

Answer 1

Install new version of GMP, MPFR, MPC from sources:

curl -O http://www.mirrorservice.org/sites/ftp.gnu.org/gnu/gmp/gmp-5.0.1.tar.gz
tar zxf gmp-5.0.1.tar.gz
cd gmp-5.0.1/
./configure --prefix=/usr
sudo make install
cd ..

curl -O http://www.mpfr.org/mpfr-current/mpfr-3.0.0.tar.gz
tar zxf mpfr-3.0.0.tar.gz
cd mpfr-3.0.0/
./configure --prefix=/usr
sudo make install
cd ..

curl -O http://www.multiprecision.org/mpc/download/mpc-0.8.2.tar.gz
tar zxf mpc-0.8.2.tar.gz 
cd mpc-0.8.2/
./configure --prefix=/usr
sudo make install

Answer 2

You're going to want to download the source packages. You can get the from http://gcc.gnu.org/releases.html

Next you're going to want to install the package build-essentials from apt. Use the following command:

sudo apt-get install build-essential

Next you're going to want to extract the source package to its own directory:

mkdir -p ~/compiling/gcc
cd !$
tar -zxvf ~/path/to/downloaded/gcc-4.5.2.tar.gz
cd gcc-4.5.2

Then you're going to want to compile it, usually the process is as follows:

./configure
make
sudo make install

However, if you omit the last part you can still run the program by calling it directly, while keeping your currently installed version of gcc for normal use.

Answer 3

I followed these steps from GNU website and got gcc installed perfectly: http://gcc.gnu.org/install/prerequisites.html

Basically, you will need to install

• gmp-5.0.1
• mpc-0.8.2
• mpfr-3.0.0

and other libraries mentioned can be found under Synaptic Package Manager.

That's all