Linux使用make命令时遇到“make: g++: Command not found”，这个主要是没有安装gcc-c++.x86_64，如下所示
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[root@localhost nethogs]# make复制
g++ -g -Wall -Wextra -c packet.cpp复制
make: g++: Command not found复制
make: *** [packet.o] Error 127复制
root@localhost nethogs]# yum search "gcc-c++"复制
Loaded plugins: product-id, security, subscription-manager复制
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.复制
==================================== N/S Matched: gcc-c++ ====================================复制
gcc-c++.x86_64 : C++ support for GCC复制
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Name and summary matches only, use "search all" for everything.复制
[root@localhost nethogs]# yum list "gcc-c++"复制
Loaded plugins: product-id, security, subscription-manager复制
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.复制
media | 4.1 kB 00:00 ...复制
Available Packages复制
gcc-c++.x86_64 4.4.7-11.el6 media复制
[root@localhost nethogs]# yum install "gcc-c++.x86_64"复制
Loaded plugins: product-id, security, subscription-manager复制
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.复制
Setting up Install Process复制
Resolving Dependencies复制
--> Running transaction check复制
---> Package gcc-c++.x86_64 0:4.4.7-11.el6 will be installed复制
--> Processing Dependency: gcc = 4.4.7-11.el6 for package: gcc-c++-4.4.7-11.el6.x86_64复制
--> Processing Dependency: libstdc++-devel = 4.4.7-11.el6 for package: gcc-c++-4.4.7-11.el6.x86_64复制
--> Processing Dependency: libmpfr.so.1()(64bit) for package: gcc-c++-4.4.7-11.el6.x86_64复制
--> Running transaction check复制
---> Package gcc.x86_64 0:4.4.7-11.el6 will be installed复制
--> Processing Dependency: cpp = 4.4.7-11.el6 for package: gcc-4.4.7-11.el6.x86_64复制
--> Processing Dependency: cloog-ppl >= 0.15 for package: gcc-4.4.7-11.el6.x86_64复制
---> Package libstdc++-devel.x86_64 0:4.4.7-11.el6 will be installed复制
---> Package mpfr.x86_64 0:2.4.1-6.el6 will be installed复制
--> Running transaction check复制
---> Package cloog-ppl.x86_64 0:0.15.7-1.2.el6 will be installed复制
--> Processing Dependency: libppl.so.7()(64bit) for package: cloog-ppl-0.15.7-1.2.el6.x86_64复制
--> Processing Dependency: libppl_c.so.2()(64bit) for package: cloog-ppl-0.15.7-1.2.el6.x86_64复制
---> Package cpp.x86_64 0:4.4.7-11.el6 will be installed复制
--> Running transaction check复制
---> Package ppl.x86_64 0:0.10.2-11.el6 will be installed复制
--> Finished Dependency Resolution复制
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Dependencies Resolved复制
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==============================================================================================复制
Package Arch Version Repository Size复制
==============================================================================================复制
Installing:复制
gcc-c++ x86_64 4.4.7-11.el6 media 4.7 M复制
Installing for dependencies:复制
cloog-ppl x86_64 0.15.7-1.2.el6 media 93 k复制
cpp x86_64 4.4.7-11.el6 media 3.7 M复制
gcc x86_64 4.4.7-11.el6 media 10 M复制
libstdc++-devel x86_64 4.4.7-11.el6 media 1.6 M复制
mpfr x86_64 2.4.1-6.el6 media 156 k复制
ppl x86_64 0.10.2-11.el6 media 1.3 M复制
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Transaction Summary复制
==============================================================================================复制
Install 7 Package(s)复制
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Total download size: 22 M复制
Installed size: 53 M复制
Is this ok [y/N]: y复制
Downloading Packages:复制
----------------------------------------------------------------------------------------------复制
Total 163 MB/s | 22 MB 00:00复制
Running rpm_check_debug复制
Running Transaction Test复制
Transaction Test Succeeded复制
Running Transaction复制
Installing : mpfr-2.4.1-6.el6.x86_64 1/7复制
Installing : cpp-4.4.7-11.el6.x86_64 2/7复制
Installing : ppl-0.10.2-11.el6.x86_64 3/7复制
Installing : cloog-ppl-0.15.7-1.2.el6.x86_64 4/7复制
Installing : gcc-4.4.7-11.el6.x86_64 5/7复制
Installing : libstdc++-devel-4.4.7-11.el6.x86_64 6/7复制
Installing : gcc-c++-4.4.7-11.el6.x86_64 7/7复制
Verifying : gcc-4.4.7-11.el6.x86_64 1/7复制
Verifying : gcc-c++-4.4.7-11.el6.x86_64 2/7复制
Verifying : mpfr-2.4.1-6.el6.x86_64 3/7复制
Verifying : libstdc++-devel-4.4.7-11.el6.x86_64 4/7复制
Verifying : cpp-4.4.7-11.el6.x86_64 5/7复制
Verifying : ppl-0.10.2-11.el6.x86_64 6/7复制
Verifying : cloog-ppl-0.15.7-1.2.el6.x86_64 7/7复制
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Installed:复制
gcc-c++.x86_64 0:4.4.7-11.el6复制
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Dependency Installed:复制
cloog-ppl.x86_64 0:0.15.7-1.2.el6 cpp.x86_64 0:4.4.7-11.el6 gcc.x86_64 0:4.4.7-11.el6复制
libstdc++-devel.x86_64 0:4.4.7-11.el6 mpfr.x86_64 0:2.4.1-6.el6 ppl.x86_64 0:0.10.2-11.el6复制
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Complete!复制