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| sudo add-apt-repository ppa:ubuntu-toolchain-r/test | |
| sudo apt-get update | |
| sudo apt-get install gcc-5 g++-5 | |
| sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-5 60 --slave /usr/bin/g++ g++ /usr/bin/g++-5 |
This works!
Thanks :)
still works for me on ubuntu 17 / zesty. ppa is not even needed!
gcc7
sudo add-apt-repository ppa:jonathonf/gcc-7.1
sudo apt-get update
sudo apt-get install gcc-7 g++-7
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 60 --slave /usr/bin/g++ g++ /usr/bin/g++-7
thx
WARNING @beci @vineeshvs @hallahan @Antttooon @MagnetonBora @rrogers @dtamez @benzkji @NorimasaNabeta:
The ppa:ubuntu-toolchain-r/test has old compiler builds that don't correctly compile some dkms kernel drivers, like nVidia, and you can get your installation pretty broken with the compilers from this PPA. See this launchpad issue for details.
update-alternatives: error:
I'm working on Ubuntu 16.04. The first three code ran properly, but when I was running the code
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-5 60 --slave /usr/bin/g++ g++ /usr/bin/g++-5
I got the error:
update-alternatives: error: alternative g++ can't be slave of gcc: it is a master alternative
Can someone answer me what may have gone wrong?
good job, works , thank you!
Thank you, it worked.
fast&clean
kudos
@SeanSyue I'm got the same error as yours. Can you please help me if you figured it out.
thank you
@SeanSyue, @apoorva-js, See the following link
https://askubuntu.com/questions/372248/downloaded-g-4-8-from-the-ppa-but-cant-set-it-as-default
It works like a charm on Ubuntu 18.04. Thank you 👍
Thanks
worked .....thanks
ppa:ubuntu-toolchain-r/test
seems like it's not being updated or bugfixed properly and could even leave your Ubuntu 14.04 machine in an unbootable state. Beware...
See here a bunch of people breaking their installations of apt-get and gnome by blindly using that repo:
the following error appears when trying to compile using the flag -fsanitize=signed-integer-overflow
/usr/bin/ld: unrecognized option '--push-state--no-as-needed'
/usr/bin/ld: use the --help option for usage information
It's work for me!
Thanks!
For me this worked:
sudo apt-add-repository "deb http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu trusty main"
sudo apt-get update
sudo apt-get install gcc-5 g++-5
Thanks 👍