我正在尝试获取 httpd 的调试版本，以便可以将其与 gdb 结合使用。我很难获取它们，而且它们似乎不在标准的 epel-debuginfo 存储库中。我该怎么办？
> [root@buildbox-rhel6 ~]# debuginfo-install httpd
Loaded plugins: fastestmirror, presto
enabling epel-debuginfo
Loading mirror speeds from cached hostfile
epel-debuginfo/metalink | 8.3 kB 00:00
* base: mirrors.cicku.me
* epel: mirrors.kernel.org
* epel-debuginfo: mirrors.kernel.org
* extras: mirrors.arpnetworks.com
* updates: linux.mirrors.es.net
epel-debuginfo | 3.1 kB 00:00
epel-debuginfo/primary_db | 487 kB 00:01
Checking for new repos for mirrors
Could not find debuginfo for main pkg: httpd-2.2.15-15.el6.centos.1.x86_64
Could not find debuginfo pkg for dependency package apr-1.3.9-5.el6_2.x86_64
Could not find debuginfo pkg for dependency package apr-util-1.3.9-3.el6_0.1.x86_64
Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64
Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64
Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64
Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64
Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64
Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64
Could not find debuginfo pkg for dependency package db4-4.7.25-17.el6.x86_64
Could not find debuginfo pkg for dependency package expat-2.0.1-11.el6_2.x86_64
Could not find debuginfo pkg for dependency package openldap-2.4.23-26.el6_3.2.x86_64
Could not find debuginfo pkg for dependency package openldap-2.4.23-26.el6_3.2.x86_64
Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64
Could not find debuginfo pkg for dependency package pcre-7.8-4.el6.x86_64
Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64
Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64
Could not find debuginfo pkg for dependency package libselinux-2.0.94-5.3.el6.x86_64
Could not find debuginfo pkg for dependency package zlib-1.2.3-27.el6.x86_64
No debuginfo packages available to install