make的時候報如下錯
遇到該問題主要是因爲系統的gcc版本不夠高，默認版本應該是4.4.7
升級步驟
下載安裝包
http://ftp.gnu.org/gnu/gcc/gcc-4.8.2/gcc-4.8.2.tar.bz2
解壓
tar -jxvf gcc-4.8.2.tar.bz2
下載供編譯需求的依賴項
這個神奇的腳本文件會幫我們下載、配置、安裝依賴庫，可以節約我們大量的時間和精力。
cd gcc-4.8.2
./contrib/download_prerequisites
建立一個文件夾
mkdir gcc-build-4.8.2
cd gcc-build-4.8.2
生成Makefile文件
../configure -enable-checking=release -enable-languages=c,c++ -disable-multilib
編譯安裝
make && make install
如果報
configure: error: C++ compiler missing or inoperational
則安裝下gcc-c++依賴
yum install gcc-c++
再次查看gcc版本
如果安裝完成之後還是報之前的問題，這時候可能是安裝的gcc沒有更新到正式環境變量和路徑，按如下操作執行：
#查找gcc相關執行文件
[root@gs-server-7697 redis-6.0.1]# find / -name gcc
/usr/service/gcc-4.8.2/gcc
/usr/service/gcc-4.8.2/gcc/testsuite/ada/acats/tests/gcc
/usr/service/gcc-4.8.2/gcc-build/gcc
/usr/service/gcc-4.8.2/host-x86_64-unknown-linux-gnu/gcc
/usr/service/gcc-4.8.2/host-x86_64-unknown-linux-gnu/host-x86_64-unknown-linux-gnu/gcc
/usr/libexec/gcc
/usr/local/otp_src_19.3/erts/include/internal/gcc
/usr/local/erlang/lib/erlang/erts-8.3/include/internal/gcc
/usr/local/libexec/gcc
/usr/local/bin/gcc
/usr/local/lib/gcc
/usr/bin/gcc
/usr/lib/gcc
You have new mail in /var/spool/mail/root
[root@gs-server-7697 redis-6.0.1]# /usr/bin/gcc -v
Using built-in specs.
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.4.7 20120313 (Red Hat 4.4.7-23) (GCC)
[root@gs-server-7697 redis-6.0.1]# /usr/local/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/usr/local/bin/gcc
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.8.2/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ./configure -enable-checking=release -enable-languages=c,c++ -disable-multilib
Thread model: posix
gcc version 4.8.2 (GCC)
可以看到，有多個版本的gcc存在，調整/usr/bin/gcc指向新版本gcc
mv /usr/bin/gcc /usr/bin/gcc-4.4.7
ln -s /usr/local/bin/gcc /usr/bin/gc
/usr/bin/gcc -v
可以看到，現在/usr/bin/gcc已經是新版gcc了，接着講g++等也指向新版：
mv /usr/bin/g++ /usr/bin/g++-4.4.7
ln -s /usr/local/bin/g++ /usr/bin/g++
mv /usr/bin/c++ /usr/bin/c++-4.4.7
ln -s /usr/local/bin/c++ /usr/bin/c++
參考文章 https://www.cnblogs.com/kumufengchun/p/10192324.html
https://blog.csdn.net/LeoHan163/article/details/106074497/