This is an awful lot of Qt Creator list spam (at least 10 messages just last 
night alone, doubling the typical list volume just on this one issue) about 
basic issues of how to use a C++ compiler on Windows.  Please try to stay on 
topic, or we will have people leaving the list because it is sending them what 
they consider to be copious spam irrelevant to their daily work.

For questions about how to set up a .pro file, use qt-interest.  For questions 
about how to use boost, use one of their lists.  For questions about how 
#include works, see a basic C/C++ website or tutorial.  For questions about how 
to pass -I commands to a compiler, see the man page for the compiler.

None of this is about Qt Creator.  I am subscribed to this list and not to any 
of those other ones because I am not interested in discussing or listening to 
these issues.  Lists have topics for that very reason.  This is basic Internet 
etiquette.

Nathan

On Jul 23, 2010, at 8:34 AM, "Alex T." 
<[email protected]<mailto:[email protected]>> wrote:

Matthias, -I is -I flag for include dirs which is passed to the compiler. It 
looks confusing because of the font.

Jothy, about the difference between #include "" and #include <>.  The first one 
will tell that the header should be searched in the path relative to the 
currents source file location. The second - that the header should be looked 
for in the directories listed via -I. Note, such kind of questions are not 
specific to qt creator, that's why they should not be asked in this mailing 
list.



On 23 July 2010 15:24, Matthias Pospiech 
<<mailto:[email protected]>[email protected]<mailto:[email protected]>>
 wrote:
André Pönitz schrieb:
> On Friday 23 July 2010 13:45:33 ext Jothy wrote:
>
>> I simply added INCLUDEPATH += -I C:\boost
>>
>> Now its able to find all the header files except file path starting with 
>> boost/
>>
>
> Drop the '-I' from INCLUDEPATH
>
What does the -I switch mean anyway?

Matthias

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