How to change GCC version?

How to change GCC version?

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1. Open the terminal window in LINUX and execute the command:
2. $ which gcc.
3. This will provide the symbolic link (softlink) to the default version of GCC.
4. Navigate to the directory which has this softlink.
5. Change the softlink to point to the version of GCC that you want to use.

How to change GCC version in ubuntu?

Type update-alternatives –config gcc to be asked to choose the gcc version you want to use among those installed.

How to update GCC version in linux?

Installing GCC on Ubuntu

1. Start by updating the packages list: sudo apt update.
2. Install the build-essential package by typing: sudo apt install build-essential.
3. To validate that the GCC compiler is successfully installed, use the gcc –version command which prints the GCC version: gcc –version.

How do I get the latest version of gcc?

How to Install the Latest GCC on Windows

1. Install Cygwin, which gives us a Unix-like environment running on Windows.
2. Install a set of Cygwin packages required for building GCC.
3. From within Cygwin, download the GCC source code, build and install it.
4. Test the new GCC compiler in C++14 mode using the -std=c++14 option.

How can I change my current gcc / g + + version?

1. Open the terminal window in LINUX and execute the command: This will provide the symbolic link (softlink) to the default version of GCC. 2. Navigate to the directory which has this softlink.

Is there a wrong version of GCC in Ubuntu?

With that in mind, if you manually altered the symlink between /usr/bin/gcc and the version used in your version of Ubuntu, future DKMS-built modules might use the wrong gcc version. If you just want to build things with a different version of gcc, that’s easy enough, even with makescripts.

How to switch between multiple GCC and G + + compilers?

Furthermore, by use of the update-alternatives tool you will learn how to easily switch between multiple GCC and G++ compiler versions and how to check the currently selected compiler version. Privileged access to your Linux system as root or via the sudo command.

Why are there ABI changes between GCC versions?

There are ABI changes between gcc versions. Compiling something with one version (eg the entire operating system) and then compiling something else with another version, can cause conflict. For example, kernel modules should always be compiled with the same version of gcc used to compile the kernel.