查看gcc版本并安装cmake3.14.1

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安装gcc

yum install gcc -y

查看gcc版本

gcc -v

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/4.8.5/lto-wrapper
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-linker-build-id --with-linker-hash-style=gnu --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-initfini-array --disable-libgcj --with-isl=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/isl-install --with-cloog=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/cloog-install --enable-gnu-indirect-function --with-tune=generic --with-arch_32=x86-64 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC) 

安装cmake编译环境

yum install gcc-c++

下载cmake安装包

wget https://github.com/Kitware/CMake/releases/download/v3.14.1/cmake-3.14.1.tar.gz

解压并进行目录 

tar xvf cmake-3.14.1.tar.gz && cd cmake-3.14.1/

编译安装

./bootstrap

gmake
gmake install

查看编译后的版本

 /usr/local/bin/cmake --version

移除原来的版本，如果没有可跳过

 yum remove cmake -y

建立软链接

 ln -s /usr/local/bin/cmake /usr/bin/

查看版本

cmake --version