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Installing any GCC version

This guide shows you how to install GCC, specifically downgrading GCC versions. However, the methods shown here can also be used to update GCC versions. You just have to solve whatever library dependencies that arise with upgrading. Typically, each successive GCC version solves its predecessor’s dependencies.

For all of these methods, you will need to unlink your current GCC version and link the version you want. Towards the end of this guide, I will show you how to link gcc globally.

The first method of installing any gcc version is using the package manager native to your OS flavor. Some of these package managers are apt-get, yum, opkg, and ipkg.

 apt-get install gcc-[version]

Depending on the package manager you are using, the package manager may or may not install missing dependencies. In my example, apt-get doesn’t install dependencies. One alternative that I use sometimes is aptitude.

 aptitude install gcc-[version]


Another way to install GCC versions without a package manager is through compiling. This method requires more work.
i. Make a new directory for the GCC files
mkdir gcc-4.8-files
cd gcc-4.8-files

ii. Download GCC-4.8 from a mirror

You can find all GCC versions here.

wget _________

iii. Untar the file
tar -xvf

iv. Install some dependencies
sudo apt-get install libgmp-dev libmpfr-dev libmpc-dev libc6-dev

Note: there may be more dependencies you may need.

v. Compile the source files
./gcc-4.8.0/configure --prefix=/usr/bin/gcc/4.8.0

vi. Run the Makefile

vii. Install the source files
sudo make install

1. Now to symbolically link GCC-4.8. But first, let’s get rid of GCC-4.9 if that is still on your device.
apt-get remove gcc-4.9

2. Navigate to /usr/bin/ and GCC-4.8 should be there
cd /usr/bin/

3. Symbolically link GCC-4.8
ln -s gcc-4.8 gcc
ln -s gcc-4.8 cc

4. Check to verify GCC-4.8 is your current active compiler
gcc --version