Use standard macro

perl-EV.spec

@@ -51,10 +51,11 @@ make %{?_smp_mflags}
 
 %install
 make pure_install PERL_INSTALL_ROOT=$RPM_BUILD_ROOT
+
 find $RPM_BUILD_ROOT -type f -name .packlist -exec rm -f {} ';'
 find $RPM_BUILD_ROOT -type f -name '*.bs' -a -size 0 -exec rm -f {} ';'
 
-chmod -R u+w $RPM_BUILD_ROOT/*
+%{_fixperms} $RPM_BUILD_ROOT/*
 
 
 %check