I met a problem with installing gcc on my CentOS.
Outputs of my command sudo yum install gcc:
Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * addons: centos.ustc.edu.cn * base: centos.ustc.edu.cn * extras: mirror.bit.edu.cn * updates: centos.ustc.edu.cn Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package gcc.x86_64 0:4.1.2-54.el5 set to be updated --> Processing Dependency: cpp = 4.1.2-54.el5 for package: gcc --> Processing Dependency: libgomp >= 4.1.2-54.el5 for package: gcc --> Processing Dependency: libgcc >= 4.1.2-54.el5 for package: gcc --> Processing Dependency: glibc-devel >= 2.2.90-12 for package: gcc --> Running transaction check ---> Package cpp.x86_64 0:4.1.2-54.el5 set to be updated ---> Package glibc-devel.x86_64 0:2.5-118.el5_10.2 set to be updated --> Processing Dependency: glibc-headers = 2.5-118.el5_10.2 for package: glibc-devel --> Processing Dependency: glibc = 2.5-118.el5_10.2 for package: glibc-devel --> Processing Dependency: glibc-headers for package: glibc-devel ---> Package libgcc.i386 0:4.1.2-54.el5 set to be updated ---> Package libgcc.x86_64 0:4.1.2-54.el5 set to be updated ---> Package libgomp.x86_64 0:4.4.7-1.el5 set to be updated --> Running transaction check --> Processing Dependency: glibc = 2.5-49 for package: nscd ---> Package glibc.x86_64 0:2.5-118.el5_10.2 set to be updated --> Processing Dependency: glibc-common = 2.5-118.el5_10.2 for package: glibc ---> Package glibc-headers.x86_64 0:2.5-118.el5_10.2 set to be updated --> Processing Dependency: kernel-headers >= 2.2.1 for package: glibc-headers --> Processing Dependency: kernel-headers for package: glibc-headers --> Running transaction check ---> Package glibc-common.x86_64 0:2.5-118.el5_10.2 set to be updated ---> Package kernel-headers.x86_64 0:2.6.18-371.4.1.el5 set to be updated ---> Package nscd.x86_64 0:2.5-118.el5_10.2 set to be updated --> Processing Conflict: glibc-common conflicts glibc > 2.5 --> Finished Dependency Resolution glibc-common-2.5-118.el5_10.2.x86_64 from updates has depsolving problems --> glibc-common conflicts with glibc Error: glibc-common conflicts with glibc You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest I can not figure out what the "conflict" means, and I found nothing after a Google search. How can I get gcc working?