docs: Fix setting the gcc-7 alternative with apt

#5766
2019-03-07 17:47:19 +01:00 · 2019-03-07 17:47:19 +01:00 · 178c0078c1
commit 178c0078c1
parent 8478abe378
1 changed files with 1 additions and 0 deletions
--- a/docs/building-cmake.md
+++ b/docs/building-cmake.md
@ -19,6 +19,7 @@ You will need GCC 7.2 and CMake 3.2 installed. To install them and all the requi
    sudo apt-get install gcc-7 g++-7 cmake
    sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 60
    sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 60
+    sudo update-alternatives --config gcc
    sudo add-apt-repository --remove ppa:ubuntu-toolchain-r/test
    sudo add-apt-repository --remove ppa:george-edison55/cmake-3.x