Install g++-9 for c++20
8,076
Install g++ 8
sudo apt install g++-8
Run g++-8 with c++ 20 version.
g++-8 -std=c++2a text.c++ -o compiled
Related videos on Youtube
Comments
-
ar2015 over 1 year
I would like to run the full features of
c++20
ong++
. However, I need to installg++-9
for this purpose.Following the installation guides for old versions of
g++
do not work forg++-9
.Any hint?
sudo apt install g++-9 Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package g++-9 E: Couldn't find any package by regex 'g++-9'
.
sudo apt install g++9 Reading package lists... Done Building dependency tree Reading state information... Done Note, selecting 'libconfig9' for regex 'g++9' Note, selecting 'libaac-tactics-ocaml-ibg92' for regex 'g++9' Note, selecting 'libounit-ocaml-dev-afg95:i386' for regex 'g++9' Note, selecting 'libjpeg9-dbg' for regex 'g++9' Note, selecting 'libjpeg9-dev' for regex 'g++9' Note, selecting 'libreins-ocaml-dev-rpyg9' for regex 'g++9' Note, selecting 'libaac-tactics-ocaml-dev-ibg92' for regex 'g++9' Note, selecting 'libjpeg9' for regex 'g++9' Note, selecting 'libflac-ocaml-77yg9:i386' for regex 'g++9' Note, selecting 'libflac-ocaml-dev-77yg9:i386' for regex 'g++9' Note, selecting 'libaac-tactics-ocaml' instead of 'libaac-tactics-ocaml-ibg92' Note, selecting 'libaac-tactics-ocaml-dev' instead of 'libaac-tactics-ocaml-dev-ibg92' Note, selecting 'libreins-ocaml-dev' instead of 'libreins-ocaml-dev-rpyg9' Note, selecting 'libflac-ocaml:i386' instead of 'libflac-ocaml-77yg9:i386' Note, selecting 'libflac-ocaml-dev:i386' instead of 'libflac-ocaml-dev-77yg9:i386' Note, selecting 'libounit-ocaml-dev:i386' instead of 'libounit-ocaml-dev-afg95:i386' Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: libaac-tactics-ocaml : Depends: libcoq-ocaml-d91z1 Depends: ocaml-base-nox-4.02.3 Recommends: libaac-tactics-coq but it is not going to be installed libaac-tactics-ocaml-dev : Depends: camlp5-tli55 Depends: libcoq-ocaml-dev-d91z1 Depends: ocaml-nox-4.02.3 libflac-ocaml-dev:i386 : Depends: libogg-ocaml-dev-465c2:i386 Depends: ocaml-nox-4.02.3:i386 Depends: libogg-ocaml-dev:i386 but it is not going to be installed libounit-ocaml-dev:i386 : Depends: ocaml-nox-4.02.3:i386 libreins-ocaml-dev : Depends: ocaml-nox-4.02.3 E: Unable to correct problems, you have held broken packages.
-
muru over 5 yearsGCC 9 hasn't been released yet.
-
ar2015 over 5 years@muru the reference says
Range-based for statements with initializer | P0614R1 | 9
. Then how do they expect I test it? -
muru over 5 yearsBuild the current development sources of GCC from SVN, presumably.
-
-
Thomas Ward about 4 yearsCan you explain a little bit how this answers OP's question/issue?