warning on assignment within conditional

John (Eljay) Love-Jensen eljay@adobe.com
Wed Feb 10 19:50:00 GMT 2010


Hi John,

> Is there a warning option that can catch the common blunder
> if (x = y) ...
> when assignment was not intended?  I can't find one in our documentation.

Yes, use:

gcc -Wparentheses foo.c

Also enabled by:

gcc -Wall foo.c

> By the way, I know it's usual to state the version of gcc being used when asking almost any question, but I don't know what version it is.  How can I find out the version?  It's for the iwmmxt_le architecture.

gcc --version

HTH,
--Eljay



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