help on src.rpm files 2007-07-08 - By Barry Brimer
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> Iam using centos 4.5 and i want to install opensslxxx.xx.src.rpm file
>
> how do i do it
>
> also there is no /usr/src/redhat directory
>
> do i have to create this directory n other directories under this
>
> basicallly how do i install .src.rpm files in centos 4.5
You will need to install (at a minimum) the rpm-build rpm (yum install
rpm-build). You may also need gcc and some others as well, depending on
what you are compiling.
It is recommended that you build packages as a non-priveleged user. I
create a user on my systems that I use only for this purpose. The reason
for this is that if there is an error in the spec file that deletes
something that doesn't happen to mention the $RPM_BUILD_ROOT it would
delete the file not within your package, but within your live running
system.
To set up a build system like this, do the following.
Create a file in the home directory of the user you plan to use to build
RPMs as called '.rpmmacros'. It should contain the %_topdir macro with
the full path to the directory you plan to use us your rpm building root,
which is equivalent to /usr/src/redhat. In my case, the contents of my
.rpmmacros file is:
%_topdir /home/rpmbuild/redhat
Then you need to create the directory structure to support RPM building.
First, become the rpmbuild user, and create the 'redhat' directory in this
user's home directory. Then, cd into that directory and run the following
command to create the empty directory structures:
mkdir -p {SPECS,SOURCES,BUILD,SRPMS,RPMS/{i{3,4,5,6}86,noarch}}
If you are planning to build any perl modules, I also recommend using
cpan2rpm (http://perl.arix.com/cpan2rpm/) which will package a perl module
into an RPM for you. It also can create the RPM build environment for you
by running 'cpan2rpm --mk-rpm-dirs'
Once your build environment is complete, as the rpmbuild user, you can
either rebuild an existing SRPM with the command 'rpmbuild --rebuild
package-name.src.rpm' or you can install the package with 'rpm -i
package-name.src.rpm' and the edit the spec file, which will appear in the
SPECS directory of your rpm RPM build environment and then when you are
ready to build the package you can build it with 'rpmbuild -bb
/path/to/spec/file'.
Hope this helps,
Barry
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