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:
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Hash: SHA1
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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