- Don't package static libraries unless there is a VERY good reason to do

so
- Don't list gssapi requirement specifically, rpm will figure that out on
    its own when building the package.

libtirpc.spec

@@ -11,7 +11,6 @@ Source0:		http://nfsv4.bullopensource.org/tarballs/tirpc/%{name}-%{version}.tar.
 
 BuildRequires:		automake, autoconf, libtool, pkgconfig
 BuildRequires:		libgssapi-devel
-Requires:			libgssapi
 
 %description
 This package contains SunLib's implementation of transport-independent
@@ -59,6 +58,8 @@ make all
 rm -rf %{buildroot}
 mkdir -p %{buildroot}/etc
 make install DESTDIR=%{buildroot}
+# Don't package .a or .la files
+rm -f $RPM_BUILD_ROOT%{_libdir}/*.{a,la}
 
 %post  -p /sbin/ldconfig
 
@@ -71,13 +72,11 @@ rm -rf %{buildroot}
 %defattr(-,root,root)
 %doc AUTHORS ChangeLog NEWS README
 %{_libdir}/libtirpc.so.*
-%{_libdir}/libtirpc.la
 %{_sysconfdir}/netconfig
 
 %files devel
 %defattr(0644,root,root,755)
 %{_libdir}/libtirpc.so
-%{_libdir}/libtirpc.a
 %{_includedir}/tirpc/fpmath.h
 %{_includedir}/tirpc/getpeereid.h
 %{_includedir}/tirpc/libc_private.h