Language Options
- ansi
Enables language compatibility with the gcc option ansi.
- fno-gnu-keywords
Tells the compiler to not recognize typeof as a keyword.
- fno-operator-names
Disables support for the operator names specified in the standard.
- fno-rtti
Disables support for run-time type information (RTTI).
- fpermissive
Tells the compiler to allow for non-conformant code.
- fshort-enums
Tells the compiler to allocate as many bytes as needed for enumerated types.
- fsyntax-only
Tells the compiler to check only for correct syntax.
- funsigned-char
Change default char type to unsigned.
- J
Sets the default character type to unsigned.
- std
Tells the compiler to conform to a specific language standard.
- vd
Enables or suppresses hidden vtordisp members in C++ objects.
- vmg
Selects the general representation that the compiler uses for pointers to members.
- x (type option)
All source files found subsequent to -x type will be recognized as a particular type.
- Zc
Lets you specify ANSI C standard conformance for certain language features.
- Zp
Specifies alignment for structures on byte boundaries.
- Zs
Tells the compiler to check only for correct syntax.