Checking for unpackaged file(s): /usr/lib/rpm/check-files /var/tmp/frysk-0.0.1.2006.06.15.rh4-root error: Installed (but unpackaged) file(s) found: /usr/bin/addr2line /usr/bin/elfcmp /usr/bin/elflint /usr/bin/findtextrel /usr/bin/ld /usr/bin/nm /usr/bin/objdump /usr/bin/ranlib /usr/bin/readelf /usr/bin/size /usr/bin/strings /usr/bin/strip /usr/include/dwarf.h /usr/include/elfutils/elf-knowledge.h /usr/include/elfutils/libasm.h /usr/include/elfutils/libdw.h /usr/include/elfutils/libdwfl.h /usr/include/elfutils/libebl.h /usr/include/gelf.h /usr/include/libelf.h /usr/include/nlist.h /usr/lib/elfutils/libebl_alpha-0.120.so /usr/lib/elfutils/libebl_alpha.so /usr/lib/elfutils/libebl_arm-0.120.so /usr/lib/elfutils/libebl_arm.so /usr/lib/elfutils/libebl_i386-0.120.so /usr/lib/elfutils/libebl_i386.so /usr/lib/elfutils/libebl_ia64-0.120.so /usr/lib/elfutils/libebl_ia64.so /usr/lib/elfutils/libebl_ppc-0.120.so /usr/lib/elfutils/libebl_ppc.so /usr/lib/elfutils/libebl_ppc64-0.120.so /usr/lib/elfutils/libebl_ppc64.so /usr/lib/elfutils/libebl_s390-0.120.so /usr/lib/elfutils/libebl_s390.so /usr/lib/elfutils/libebl_sh-0.120.so /usr/lib/elfutils/libebl_sh.so /usr/lib/elfutils/libebl_sparc-0.120.so /usr/lib/elfutils/libebl_sparc.so /usr/lib/elfutils/libebl_x86_64-0.120.so /usr/lib/elfutils/libebl_x86_64.so /usr/lib/libasm.a /usr/lib/libdw.a /usr/lib/libebl.a /usr/lib/libelf.a
The makefile should be locally modified to probably just not install stuff (or install stuff into a frysk sub-directory).
Fixed thanks to the help from Stepan Kasal.