gcc compiler warnings

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2 Replies - 1627 Views - Last Post: 11 December 2011 - 07:23 PM

#1 r.stiltskin  Icon User is offline

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gcc compiler warnings

Posted 11 December 2011 - 02:10 PM

I just noticed that gcc/g++ doesn't give warnings about implicit conversions to int from double, etc., unless you specify a -Wconversion flag. It's not included in -Wall or -Wextra. Seems to me that I used to see those warnings without using that flag, but I'm not sure how long ago that was, or with which compiler.

Just thought I'd mention it...
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Replies To: gcc compiler warnings

#2 JackOfAllTrades  Icon User is offline

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Re: gcc compiler warnings

Posted 11 December 2011 - 05:49 PM

My version of gcc seems to indicate that it's not included in -Wall. 

gcc version 4.2.1 (Apple Inc. build 5664)


Got to admit I've never really delved that deeply into the man page and options; I've just pretty much always used -Wall -pedantic.
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#3 ishkabible  Icon User is offline

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Re: gcc compiler warnings

Posted 11 December 2011 - 07:23 PM

i just click all the stuff in code::blocks. it gives me pretty decent warnings, i might add -Wconversion now that you mention it.
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