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-Wundef option?

Marco Lazzaroni over 10 years ago

Is there a way to get an "undefined macro" warning with this code:

#if FOO
\\do something
#endif

but FOO is not defined?

Parents

0 edPer Westermark over 10 years ago

#if defined(FOO)
    do something
#else
    #error "FOO not defined"
#endif

Reply

0 edPer Westermark over 10 years ago

#if defined(FOO)
    do something
#else
    #error "FOO not defined"
#endif

Children

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