} elsif (-f ($fullname="$thispth/lib$thislib.$so")
&& (($Config{'dlsrc'} ne "dl_dld.xs") || ($thislib eq "m"))){
} elsif (-f ($fullname="$thispth/lib${thislib}_s$Config_libext")
+ && (! $Config{'archname'} =~ /RM\d\d\d-svr4/)
&& ($thislib .= "_s") ){ # we must explicitly use _s version
} elsif (-f ($fullname="$thispth/lib$thislib$Config_libext")){
} elsif (-f ($fullname="$thispth/$thislib$Config_libext")){