Tells the compiler to implement strict ANSI conformance dialect.
- The compiler conforms to default standards.
This option tells the compiler to implement strict ANSI conformance dialect. On Linux* systems, if you need to be compatible with gcc, use the
This option sets option
fmath-errno, which tells the compiler to assume that the program tests errno after calls to math library functions. This restricts optimization because it causes the compiler to treat most math functions as having side effects.