$ /c/mingw/bin/ld.exe --allow-shlib-undefined --enable-runtime-psuedo-reloc
c:\mingw\bin\ld.exe: unrecognized option '--enable-runtime-psuedo-reloc'
c:\mingw\bin\ld.exe: use the --help option for usage information
Administrator@TELSTRA-378D254 /c/mythtv/mythtv/libs
$ /c/mingw/bin/ld.exe --help | grep psuedo-reloc
Administrator@TELSTRA-378D254 /c/mythtv/mythtv/libs
$ /c/mingw/bin/ld.exe -v
GNU ld version 2.17.50 20060824
Logged In: YES
user_id=15438
Originator: NO
You misspelled it. It is --enable-runtime-pseudo-reloc and not --enable-runtime-psuedo-reloc.