for different kernels without reinstalling headers or changing symlink manually
Changed files:
rpm.macros -> 1.291
# Example files, programs, scripts...
%_examplesdir /usr/src/examples
+# Alternative kernel type/version
+%alt_kernel %{nil}%{?_alt_kernel:-%{?_alt_kernel}}
+
# The directory holding Linux kernel sources
-%_kernelsrcdir /usr/src/linux
+%_kernelsrcdir /usr/src/linux%{alt_kernel}
# If non-empty "debug" macro defined, add "dbg" suffix to release number
%_rpmfilename %%{NAME}-%%{VERSION}-%%{RELEASE}%{?debug:dbg}.%%{ARCH}.rpm