安装g++，在centos上执行yum -y install gcc gcc-c++ libstdc++-devel
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Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package gcc.x86_64 0:4.4.7-3.el6 will be updated
--> Processing Dependency: gcc = 4.4.7-3.el6 for package: gcc-gfortran-4.4.7-3.el6.x86_64
---> Package gcc.x86_64 0:4.4.7-11.el6 will be an update
--> Processing Dependency: libgomp = 4.4.7-11.el6 for package: gcc-4.4.7-11.el6.x86_64
--> Processing Dependency: cpp = 4.4.7-11.el6 for package: gcc-4.4.7-11.el6.x86_64
--> Processing Dependency: libgcc >= 4.4.7-11.el6 for package: gcc-4.4.7-11.el6.x86_64
---> Package gcc-c++.x86_64 0:4.4.7-3.el6 will be updated
---> Package gcc-c++.x86_64 0:4.4.7-11.el6 will be an update
--> Processing Dependency: libstdc++ = 4.4.7-11.el6 for package: gcc-c++-4.4.7-11.el6.x86_64
---> Package libstdc++-devel.x86_64 0:4.4.7-3.el6 will be updated
---> Package libstdc++-devel.x86_64 0:4.4.7-11.el6 will be an update
--> Running transaction check
---> Package cpp.x86_64 0:4.4.7-3.el6 will be updated
---> Package cpp.x86_64 0:4.4.7-11.el6 will be an update
---> Package gcc-gfortran.x86_64 0:4.4.7-3.el6 will be updated
---> Package gcc-gfortran.x86_64 0:4.4.7-11.el6 will be an update
--> Processing Dependency: libgfortran = 4.4.7-11.el6 for package: gcc-gfortran-4.4.7-11.el6.x86_64
---> Package libgcc.x86_64 0:4.4.7-3.el6 will be updated
---> Package libgcc.x86_64 0:4.4.7-11.el6 will be an update
---> Package libgomp.x86_64 0:4.4.7-3.el6 will be updated
---> Package libgomp.x86_64 0:4.4.7-11.el6 will be an update
---> Package libstdc++.x86_64 0:4.4.7-3.el6 will be updated
---> Package libstdc++.x86_64 0:4.4.7-11.el6 will be an update
--> Running transaction check
---> Package libgfortran.x86_64 0:4.4.7-3.el6 will be updated
---> Package libgfortran.x86_64 0:4.4.7-11.el6 will be an update
--> Finished Dependency Resolution
Dependencies Resolved
=============================================================================================
Package Arch Version Repository Size
=============================================================================================
Updating:
gcc x86_64 4.4.7-11.el6 base 10 M
gcc-c++ x86_64 4.4.7-11.el6 base 4.7 M
libstdc++-devel x86_64 4.4.7-11.el6 base 1.6 M
Updating for dependencies:
cpp x86_64 4.4.7-11.el6 base 3.7 M
gcc-gfortran x86_64 4.4.7-11.el6 base 4.7 M
libgcc x86_64 4.4.7-11.el6 base 102 k
libgfortran x86_64 4.4.7-11.el6 base 267 k
libgomp x86_64 4.4.7-11.el6 base 133 k
libstdc++ x86_64 4.4.7-11.el6 base 294 k
Transaction Summary
=============================================================================================
Upgrade 9 Package(s)
Total download size: 26 M
Downloading Packages:
(1/9): cpp-4.4.7-11.el6.x86_64.rpm | 3.7 MB 00:04
(2/9): gcc-4.4.7-11.el6.x86_64.rpm | 10 MB 00:10
(3/9): gcc-c++-4.4.7-11.el6.x86_64.rpm | 4.7 MB 00:04
(4/9): gcc-gfortran-4.4.7-11.el6.x86_64.rpm | 4.7 MB 00:05
(5/9): libgcc-4.4.7-11.el6.x86_64.rpm | 102 kB 00:00
(6/9): libgfortran-4.4.7-11.el6.x86_64.rpm | 267 kB 00:00
(7/9): libgomp-4.4.7-11.el6.x86_64.rpm | 133 kB 00:00
(8/9): libstdc++-4.4.7-11.el6.x86_64.rpm | 294 kB 00:00
(9/9): libstdc++-devel-4.4.7-11.el6.x86_64.rpm | 1.6 MB 00:01
---------------------------------------------------------------------------------------------
Total 951 kB/s | 26 MB 00:27
Running rpm_check_debug
Running Transaction Test Transaction Test Succeeded
Running Transaction
Updating : libgcc-4.4.7-11.el6.x86_64 1/18
Updating : libstdc++-4.4.7-11.el6.x86_64 2/18
Updating : libstdc++-devel-4.4.7-11.el6.x86_64 3/18
Updating : cpp-4.4.7-11.el6.x86_64 4/18
Updating : libgomp-4.4.7-11.el6.x86_64 5/18
Updating : gcc-4.4.7-11.el6.x86_64 6/18
Updating : libgfortran-4.4.7-11.el6.x86_64 7/18
Updating : gcc-gfortran-4.4.7-11.el6.x86_64 8/18
Updating : gcc-c++-4.4.7-11.el6.x86_64 9/18
Cleanup : gcc-c++-4.4.7-3.el6.x86_64 10/18
Cleanup : gcc-gfortran-4.4.7-3.el6.x86_64 11/18
Cleanup : libstdc++-devel-4.4.7-3.el6.x86_64 12/18
Cleanup : gcc-4.4.7-3.el6.x86_64 13/18
Cleanup : libstdc++-4.4.7-3.el6.x86_64 14/18
Cleanup : libgcc-4.4.7-3.el6.x86_64 15/18
Cleanup : cpp-4.4.7-3.el6.x86_64 16/18
Cleanup : libgomp-4.4.7-3.el6.x86_64 17/18
Cleanup : libgfortran-4.4.7-3.el6.x86_64 18/18
Verifying : libstdc++-4.4.7-11.el6.x86_64 1/18
Verifying : gcc-4.4.7-11.el6.x86_64 2/18
Verifying : gcc-c++-4.4.7-11.el6.x86_64 3/18
Verifying : libgfortran-4.4.7-11.el6.x86_64 4/18
Verifying : libgcc-4.4.7-11.el6.x86_64 5/18
Verifying : libgomp-4.4.7-11.el6.x86_64 6/18
Verifying : libstdc++-devel-4.4.7-11.el6.x86_64 7/18
Verifying : cpp-4.4.7-11.el6.x86_64 8/18
Verifying : gcc-gfortran-4.4.7-11.el6.x86_64 9/18
Verifying : gcc-c++-4.4.7-3.el6.x86_64 10/18
Verifying : libgfortran-4.4.7-3.el6.x86_64 11/18
Verifying : gcc-4.4.7-3.el6.x86_64 12/18
Verifying : libgomp-4.4.7-3.el6.x86_64 13/18
Verifying : libgcc-4.4.7-3.el6.x86_64 14/18
Verifying : cpp-4.4.7-3.el6.x86_64 15/18
Verifying : gcc-gfortran-4.4.7-3.el6.x86_64 16/18
Verifying : libstdc++-devel-4.4.7-3.el6.x86_64 17/18
Verifying : libstdc++-4.4.7-3.el6.x86_64 18/18
Updated:
gcc.x86_64 0:4.4.7-11.el6 gcc-c++.x86_64 0:4.4.7-11.el6
libstdc++-devel.x86_64 0:4.4.7-11.el6
Dependency Updated:
cpp.x86_64 0:4.4.7-11.el6 gcc-gfortran.x86_64 0:4.4.7-11.el6
libgcc.x86_64 0:4.4.7-11.el6 libgfortran.x86_64 0:4.4.7-11.el6
libgomp.x86_64 0:4.4.7-11.el6 libstdc++.x86_64 0:4.4.7-11.el6
Complete!