centos 7 更新 gcc cmake

自帶版本太低，編譯工程不過。

更新gcc

wget http://ftp.tsukuba.wide.ad.jp/software/gcc/releases/gcc-/gcc-.tar.xz
tar -xvf gcc-.tar.xz
cd gcc-

./contrib/download_prerequisites

mkdir build
cd build
../configure --enable-checking=release --enable-languages=c,c++ --disable-multilib
make 
make install

rm -rf /usr/lib64/libstdc++.so
ln -s /usr/local/lib64/libstdc++.so /usr/lib64/libstdc++.so

reboot
           

更新cmake

wget https://cmake.org/files/v3/cmake--rc2.tar.gz
tar -xvf cmake--rc2.tar.gz
cd cmake--rc2

./bootstrap && make && make install
           

bootstrap –help檢視選項

version `GLIBCXX_3.4.21’ not found 解決辦法

https://blog.csdn.net/rznice/article/details/51090966