5.7.3.8 Std Option

The -std=standard option specifies the C standard to which the compiler assumes source code will conform. The allowable standards are tabulated below.

Table 5-9. Acceptable Language Standards
Standard	Supports
`c89` or `c90`	ISO C90 (ANSI) programs.
`c99`	ISO C99 programs.
`gnu99`	GNU dialect of ISO C99 programs
`c++11`	ISO C++11 programs
`gnu++11`	GNU dialect of ISO C++11 programs
`c++14`	ISO C++14 programs
`gnu++14`	GNU dialect of ISO C++14 programs

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