On Thu, Jun 02, 2011 at 11:48:35AM -0400, Neal Becker wrote: > Sam Varshavchik wrote: > > > Neal Becker writes: > > > >> How can I apply a patch only if the version of a dependency is < x? > > > > You mean you want to specify the dependency's version in a macro, that you > > put into Requires:? If so, just use the macro in your build script, it'll be > > expanded, and you can test its value. Bare-bones shell isn't usually > > convenient for understanding most kinds of version number formats. You may > > need to do something fancy. > > I mean, a patch is needed only if one of the BR versions is less than a.b. So I > want to conditionally apply a patch, based on the version of the BR. How about this evil untested recursive invocation of rpm? %prep %configure package=glibc minversion=2.13.89 if [ $( rpm -q --queryformat '%{version}\n' $package | cat - <(echo $minversion) | sort -V | head -1 ) = "$minversion" ]; then %patch0 -p1 fi Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://et.redhat.com/~rjones/virt-df/ -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel