to indicate compatibility with IBT. This also implies @option{ibtplt}.
Supported for Linux/i386 and Linux/x86_64.
+@item shstk
+Generate GNU_PROPERTY_X86_FEATURE_1_SHSTK in .note.gnu.property section
+to indicate compatibility with Intel Shadow Stack. Supported for
+Linux/i386 and Linux/x86_64.
+
@end table
Other keywords are ignored for Solaris compatibility.