[sword-devel] SWORD 1.7.0RC2

[Troy A. Griffitts]

For example, consider the following code:

class Q_CORE_EXPORT QString
{
public:
...
#ifndef QT_NO_REGEXP
     int indexOf(const QRegExp &, int from = 0) const;
     int lastIndexOf(const QRegExp &, int from = -1) const;
     inline QBool contains(const QRegExp &rx) const { return 
QBool(indexOf(rx) != -1); }
     int count(const QRegExp &) const;

     int indexOf(QRegExp &, int from = 0) const;
     int lastIndexOf(QRegExp &, int from = -1) const;
     inline QBool contains(QRegExp &rx) const { return QBool(indexOf(rx) 
!= -1); }
#endif

...


If this library was compiled with QT_NO_REGEXP defined, and you include 
this header file in your project and build without QT_NO_REGEXP defined, 
then your .o files will expect different vtables than what are provided 
by the compiled library.




On 08/06/2013 02:37 PM, Jaak Ristioja wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
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> On 06.08.2013 14:54, Troy A. Griffitts wrote:
>> Remember, just because you compile and link doesn't mean you've
>> successfully build your app against the exact state of the headers
>> when the library was compiled and this can be dangerous.
> Can you please be more specific about this danger?
>
> Blessings,
> Jaak
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