For instance the `-akeyword`(HP/UX compat), `-z`, `-Y` (Solaris compat), `-assert` (SunOS compat) `-Qy` (System V Release 4 compat) options in GNU `ld` (http://ftp.gnu.org/old-gnu/Manuals/ld-2.9.1/html_mono/ld.htm...)
Then there's also compatibility with MRI linkers in GNU ld
For instance the `-akeyword`(HP/UX compat), `-z`, `-Y` (Solaris compat), `-assert` (SunOS compat) `-Qy` (System V Release 4 compat) options in GNU `ld` (http://ftp.gnu.org/old-gnu/Manuals/ld-2.9.1/html_mono/ld.htm...)
Then there's also compatibility with MRI linkers in GNU ld