C compiler warnings when bootstrapping

[Berend de Boer]

Hi All,

Upgraded to the latest version last night and got this:

# ./bootstrap.sh gcc ge
geant4.c: In function 'T55f41':
geant4.c:6703: warning: passing argument 1 of 'GE_check_void' discards qualifiers from pointer target type
geant4.c:6710: warning: passing argument 2 of 'T55f60' discards qualifiers from pointer target type
geant4.c:6714: warning: passing argument 2 of 'T17f17' discards qualifiers from pointer target type
geant4.c:6714: warning: passing argument 2 of 'T204f13' discards qualifiers from pointer target type
geant4.c:6719: warning: assignment discards qualifiers from pointer target type
geant4.c:6721: warning: assignment discards qualifiers from pointer target type
geant4.c:6743: warning: passing argument 2 of 'T76f1' discards qualifiers from pointer target type
geant4.c:6743: warning: passing argument 3 of 'T76f1' discards qualifiers from pointer target type
...

It builds the executables though (they are only warnings), but in case
someone is interested. I'm using gcc 4.1.1.

--
Cheers,

Berend de Boer


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[Eric Bezault]

Berend de Boer wrote:

> Hi All,
>
> Upgraded to the latest version last night and got this:
>
> # ./bootstrap.sh gcc ge
> geant4.c: In function 'T55f41':
> geant4.c:6703: warning: passing argument 1 of 'GE_check_void' discards qualifiers from pointer target type
> geant4.c:6710: warning: passing argument 2 of 'T55f60' discards qualifiers from pointer target type
> geant4.c:6714: warning: passing argument 2 of 'T17f17' discards qualifiers from pointer target type
> geant4.c:6714: warning: passing argument 2 of 'T204f13' discards qualifiers from pointer target type
> geant4.c:6719: warning: assignment discards qualifiers from pointer target type
> geant4.c:6721: warning: assignment discards qualifiers from pointer target type
> geant4.c:6743: warning: passing argument 2 of 'T76f1' discards qualifiers from pointer target type
> geant4.c:6743: warning: passing argument 3 of 'T76f1' discards qualifiers from pointer target type
> ...
>
> It builds the executables though (they are only warnings), but in case
> someone is interested. I'm using gcc 4.1.1.

The problem seems to be as follows. I have a local variable which
needs to be declared as volatile (because of the use of setjmp/longjmp):

   volatile T0* l1 = 0;

And then I call:

   f(l1);

where `f' is declared as follows:

   void f(T0* a1);

with no volatile qualifier. I think that this is what gcc is
complaining about. Anyone knows how to make gcc happy?
Should I declare my local variable as:

   T0 volatile *l1 = 0;

instead of:

   volatile T0* l1 = 0;

Or should I explicitly cast it as follows:

   f((T0*)l1);

--
Eric Bezault
mailto:ericb@...
http://www.gobosoft.com

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