patch only if dependent version < x? (rpm spec)

[Kevin Kofler]

Neal Becker wrote:
> How can I apply a patch only if the version of a dependency is < x?

I generally do something like:

%if 0%{?fedora} > NN
%global have_foo_MMM 1
%endif

%if 0%{?have_foo_MMM}
BuildRequires: foo-devel >= MMM
%else
BuildRequires: foo-devel < MMM
%endif

…

%prep
%if 0%{?have_foo_MMM}
%patchPPP -p1 -b .fooMMM
%endif

        Kevin Kofler