Suppressing certain errors with icc and gcc 1

[Mthales]

Hi,
I have a bunch of code that is not mine so I can't really change it but I have been given the task of writing the makefiles to compile and link this code.
The problem I have is that parts of it are spewing out the same warning message lots of times and I'd like to hide that warning but still be able to see others.
I am trying to use both the icc and gcc compilers.
So my question is do these compilers have a method of suppressing certain warning numbers? Can this be done with a command line flag or some sort of pragma line?

Thanks for any help
M

Trainee Chocolate Management Executive.

 

[sedj]

In my mind, hiding compilation warnings is just hiding from the reality that the code needs fixing.
To get rid of the warnings, you should fix them !

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[Mthales]

Thanks for the reply and yes that would be my solution as well but management says it's not my code so I can't do that and I have to just hide the warnings :-(

Trainee Chocolate Management Executive.

 

[sedj]

There are ways to suppress specific warnings, for example to suppress import warnings, you would use the switch "-Wno-import".

Or the "-w" switch will inhibit all warnings.

See

http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html

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http://www.primrose.org.uk

 

[Mthales]

sedj thank you very much for that link - I had looked at those flags but I can't work out which category the warning I need to hide would fall under.
The warning is:

warning #383: value copied to temporary, reference to temporary used

M

Trainee Chocolate Management Executive.

 

[sedj]

I don't know what that error means exactly, but from the sound of it, it could mean that you are referencing a variable which is no longer available - which could cause major problems.

Eg :

char* func0() {
  char bla[256];
  sprintf(bla, "hello");

  return &bla[0];
}

void func1() {
  char* hello = func0();
}

This would cause some nasty results - and if that error is something like this, then I really would push the need to fix it !

Of course, I could be way off ...



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[Mthales]

Thanks very much for your help guys - I think I'll bypass the management and go talk to the code's owner about what it's actually doing.

M

Trainee Chocolate Management Executive.

 

[sedj]

Sounds like the best plan

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http://www.primrose.org.uk