Modify the RPM version compare the source code.Such as xisalnum function. Rules did not change, the function test normal.
x86_64 compile warning if use librpm.a:/usr/bin/ld: warning: i386 architecture of input file `./usr/lib/librpm.a(rpmvercmp.o)' is incompatible with i386:x86-64 output
soruce : http://www.rpm.org/api/4.4.2.2/rpmvercmp_8c-source.html