BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Compileroption for changing a warning to an error?          BorlandTalk.com Forum Index -> C++ Builder (Command Line Tools) View previous topic :: View next topic   Author Message Christian Killmann Guest Posted: Fri Mar 30, 2007 3:27 pm    Post subject: Compileroption for changing a warning to an error? Hello, I'm using BDS2006 BCC32 V5.82, ILINK32 V5.70. Is there a way to let the compiler stop at a specific warning instead of just displaying it? Probably a compiler option like for example -we8030? Kind regards -Christian Back to top Ebbe Kristensen Guest Posted: Fri Mar 30, 2007 4:29 pm    Post subject: Re: Compileroption for changing a warning to an error? Christian Killmann wrote: Quote: Hello, I'm using BDS2006 BCC32 V5.82, ILINK32 V5.70. Is there a way to let the compiler stop at a specific warning instead of just displaying it? Probably a compiler option like for example -we8030? Such as: -w! Return non-zero from compiler on warnings Makes the build stop when using makefiles. Ebbe Back to top Christian Killmann Guest Posted: Mon Apr 02, 2007 8:10 am    Post subject: Re: Compileroption for changing a warning to an error? Hi Ebbe, thanks for your reply. I tried -w! before posting to this newsgroup and didn't manage to stop the compiler only on a specific warning. I think that -w! just stops at every warning, and that is sadly no option for me. Or am i just missing some tricky syntax? Kind regards -Chris Back to top Ebbe Kristensen Guest Posted: Mon Apr 02, 2007 6:27 pm    Post subject: Re: Compileroption for changing a warning to an error? Christian Killmann wrote: Quote: thanks for your reply. I tried -w! before posting to this newsgroup and didn't manage to stop the compiler only on a specific warning. Sorry, I overlooked the "specific" part of it. Ebbe Back to top Ebbe Kristensen Guest Posted: Mon Apr 02, 2007 6:34 pm    Post subject: Re: Compileroption for changing a warning to an error? Christian Killmann wrote: Quote: thanks for your reply. I tried -w! before posting to this newsgroup and didn't manage to stop the compiler only on a specific warning. I think that -w! just stops at every warning, and that is sadly no option for me. Or am i just missing some tricky syntax? I though a little more about it and came up with this workaround: bcc32 <whatever> | grep -v "Warning 8030" The -v option makes grep return a non-zero error code if it finds the warning in question. Ebbe Back to top Christian Killmann Guest Posted: Tue Apr 03, 2007 8:10 am    Post subject: Re: Compileroption for changing a warning to an error? Thank you for this nice trick. I will try it in my makefiles, but it's a bit sad, that the compiler itself doesn't support this behaviour! Chris Back to top Ebbe Kristensen Guest Posted: Tue Apr 03, 2007 1:50 pm    Post subject: Re: Compileroption for changing a warning to an error? Christian Killmann wrote: Quote: Thank you for this nice trick. I will try it in my makefiles, but it's a bit sad, that the compiler itself doesn't support this behaviour! Thinking further about it, it is not so nice after all. Using this trick, you will get a zero errorcode unless that warning occurs, i.e. it will not catch compiler errors. Maybe this modification is better: bcc32 <whatever> | grep -v "Error|Warning 8030" but you will have to test it. Ebbe Back to top Ed Mulroy Guest Posted: Tue Apr 03, 2007 6:44 pm    Post subject: Re: Compileroption for changing a warning to an error? Consider using a #pragma checkoption encasing a #pragma error? .. Ed Quote: Christian Killmann wrote in message news:4612028d$1 (AT) newsgroups (DOT) borland.com... Back to top Christian Killmann Guest Posted: Wed Apr 04, 2007 8:10 am    Post subject: Re: Compileroption for changing a warning to an error? Thanks again Ebbe, i will try your trick to use grep as an artifical sentinel for the compiler. No problem when i have to find out some of the details on my own! :-) -Chris Back to top Christian Killmann Guest Posted: Wed Apr 04, 2007 8:10 am    Post subject: Re: Compileroption for changing a warning to an error? Thank you for the reply Ed, but as far as i understood #pragma checkoption just checks if an option is set or not. Is a compiler error visible over checkoption? If it is, is there a way to set the pragma globally for all my hundreds of source files? 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