Werror-implicit-function-declaration
C ObjC RejectNegative Warning
-Make implicit function declarations an error
+This switch is deprecated; use -Werror=implicit-function-declaration instead
Wfloat-equal
C ObjC C++ ObjC++ Var(warn_float_equal) Warning
C ObjC C++ ObjC++ Warning
Wimplicit-function-declaration
-C ObjC Var(mesg_implicit_function_declaration) Init(-1) Warning
+C ObjC Var(warn_implicit_function_declaration) Init(-1) Warning
Warn about implicit function declarations
Wimplicit-int