C ObjC C++ ObjC++ Joined RejectNegative
-fexec-charset=<cset> Convert all strings and character constants to character set <cset>
+fextended-identifiers
+C ObjC C++ ObjC++
+Permit universal character names (\\u and \\U) in identifiers
+
finput-charset=
C ObjC C++ ObjC++ Joined RejectNegative
-finput-charset=<cset> Specify the default character set for source files
ffixed-form
C ObjC
+ffixed-line-length-none
+C ObjC
+
ffixed-line-length-
C ObjC Joined
C++ ObjC++
Emit implicit instantiations of templates
+ffriend-injection
+C++ Var(flag_friend_injection)
+Inject friend functions into enclosing namespace
+
flabels-ok
C++ ObjC++
lang-asm
C Undocumented
+lang-fortran
+C Undocumented
+
lang-objc
C ObjC C++ ObjC++ Undocumented