经过长时间学习CentOS gcc，你可能会遇到CentOS gcc安装问题，这里将介绍CentOS gcc安装问题的解决方法。更新CentOS安装gcc遇到的一个问题。

起因是在一个trixbox上安装CentOS gcc第一步，更新系统的软件包到最新yum -y update漫长的等待过后，reboot，然后再次运行了yum -y update 确认再没有可更新的模块了。

接下来，安装CentOS gcc yum -y install gcc没想到
[trixbox1.localdomain src]# yum install gcc
Loading "installonlyn" plugin
Setting up Install Process
Setting up repositories
Reading repository metadata in from local files
Excluding Packages from CentOS-5 - Base
Finished
Excluding Packages from CentOS-5 - Updates
Finished
Excluding Packages from CentOS-5 - Addons
Finished
Excluding Packages from CentOS-5 - Extras
Finished
Parsing package install arguments
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Package gcc.i386 0:4.1.2-14.el5 set to be updated
--> Running transaction check
--> Processing Dependency: cpp = 4.1.2-14.el5 for package: gcc
--> Processing Dependency: glibc-devel >= 2.2.90-12 for package: gcc
--> Processing Dependency: libgomp = 4.1.2-14.el5 for package: gcc
--> Processing Dependency: libgomp.so.1 for package: gcc
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Package libgomp.i386 0:4.1.2-14.el5 set to be updated
---> Package glibc-devel.i386 0:2.5-18.el5_1.1 set to be updated
---> Package cpp.i386 0:4.1.2-14.el5 set to be updated
--> Running transaction check
--> Processing Dependency: glibc-headers for package: glibc-devel
--> Processing Dependency: glibc-headers = 2.5-18.el5_1.1 for package: glibc-devel
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Package glibc-headers.i386 0:2.5-18.el5_1.1 set to be updated
--> Running transaction check
--> Processing Dependency: kernel-headers for package: glibc-headers
--> Processing Dependency: kernel-headers >= 2.2.1 for package: glibc-headers
--> Finished Dependency Resolution
Error: Missing Dependency: kernel-headers is needed by package glibc-headers
Error: Missing Dependency: kernel-headers >= 2.2.1 is needed by package glibc-headers
[trixbox1.localdomain src]#

CentOS gcc出错啦，貌似是缺少kernel-headers,So, I try "yum install kernel-headers":
[trixbox1.localdomain src]# yum install kernel-headers
Loading "installonlyn" plugin
Setting up Install Process
Setting up repositories
Reading repository metadata in from local files
Excluding Packages from CentOS-5 - Base
Finished
Excluding Packages from CentOS-5 - Updates
Finished
Excluding Packages from CentOS-5 - Addons
Finished
Excluding Packages from CentOS-5 - Extras
Finished
Parsing package install arguments
Nothing to do
[trixbox1.localdomain src]#

CentOS gcc后来看到有人说到默认的CentOS-Base.repo是不包含下载kernel的，果然注释掉里边的exclude=kernel* 再次运行yum -y update.我靠，又开始下载一个kernel包。罪魁祸首在这里啊！再次执行yum install CentOS gcc 这下应该没有问题了吧！In case anyone's wondering, I don't make a habit of talking to myself.

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