gcc/glibc problem solved, now I need help from gecko maintainers

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Andrew Haley pisze:
> Julian Sikorski wrote:
>> Hi,
>>
>> I am trying to make gnome-chemistry-utils ready for the mass rebuild.
>> Unfortunately, there are some issues which are beyond my skills. The
>> first one is the fact that some adjustments for new xulrunner are
>> needed. With gcc-4.4, however, build fails even earlier:
>>
>> element.cc: In function 'void ReadValue(const char*, GcuValue&)':
>> element.cc:49: error: invalid conversion from 'const char*' to 'char*'
>> element.cc: In function 'void ReadDimensionalValue(const char*,
>> GcuDimensionalValue&)':
>> element.cc:58: error: invalid conversion from 'const char*' to 'char*'
>>
>> Full build log is here:
>> http://belegdol.fedorapeople.org/build.log
>>
>> Upstream unfortunately cannot reproduce the problem, here is his comment:
>>
>>
>> Looks like the issue comes with strchr.
>>
>> man strchr says:
>> char *strchr(const char *s, int c);
>>
>> I don't see what is wrong since the argument is a const char* string.
>>
>> I can't reproduce the issue. May be the signature of strchr changed in
>> glibc?
>> Anyway, the above signature is not consistent since it returns a char* which
>> is a substring of a const char*.
> 
> I agree, that's not your fault.  It's what the standard says it has to be.
> 
>> If this is the case, there is a need for a test in configure to find which
>> signature version is available.
> 
> I don't see why.  It looks to me like you can simply do this:
> 
> static void ReadDimensionalValue (char const *source, GcuDimensionalValue &value)
> {
> 	const char *buf, *dot;
> 	char *tmp;
> 	value.value = strtod (source, &tmp);
> 	buf = tmp;
> 	dot = strchr (source, '.');
> 	value.prec = (dot)? buf - dot - 1: 0;
> 	value.delta = (*buf == '(')? strtol (buf + 1, NULL, 10): 0;
> }
> 
> Slightly weird, but it'll do.
> 
> Andrew.
> 

Thanks guys, with the info you have provided Jean has managed to produce
patches fixing the issue. As I said before, there are some problems with
the new xulrunner (npupp.h does not exist any more):
http://belegdol.fedorapeople.org/build.log
The srpm package is also available on my fedorapeople page:
http://belegdol.fedorapeople.org/gnome-chemistry-utils-0.10.3-2.fc11.src.rpm
Thanks in advance again!

Kind regards,
Julian

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