rpm nuggets
As I find out new (to me) items about building RPM’s, I’ll post them here — not that the info isn’t out there already, it is just kinda hard to find.
The first item is something that anyone who gets past the “oh I built an RPM” stage ponders: How do you pass in the version and release information so you don’t have to keep editing the .spec file.
On the @rpmbuild@ command line, you can define macros. This allows you to reference the macro values in the .spec file. For example:
bq. @rpmbuild -ba –define “name value” –define “name2 value2″ foo.spec@
and in foo.spec you can have:
bq. Version: %{name}
Release: %{name2}
That is all there is to it — now for extra credit locate any mention in the man page or any online web page of –define :)
A handy file to scan thru to see the possibilities for macros is /usr/lib/rpm/macros (well at least that’s where it is on my “ubuntu”:http://www.ubuntulinux.org server.)
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