[Interest] QtCreator oddity

[Konstantin Tokarev]

20.04.2018, 16:01, "Roland Hughes" <roland at logikalsolutions.com>:
> On 04/20/2018 07:55 AM, Konstantin Tokarev wrote:
>>  20.04.2018, 15:19, "Roland Hughes" <roland at logikalsolutions.com>:
>>>  On 04/20/2018 06:40 AM, Thiago Macieira wrote:
>>>>  On Wednesday, 18 April 2018 10:18:05 PDT Konstantin Tokarev wrote:
>>>>>  #include <libusb-1.0/libusb.h>
>>>>  DO NOT write that. The correct line for libusb is: #include <libusb.h> If that file is not in your default search path, then add it to INCLUDEPATH or via pkg-config. PKGCONFIG += libusb-1.0
>>>  The problem isn't the default search path. The problem is QtCreator cannot handle directories with a "." in their name underneath /usr/include. One has to force it in with
>>>
>>>  INCLUDEPATH +=/usr/include/libusb-1.0
>>  There is no force here. You cannot #include <libusb.h> unless compiler is provided with -I/usr/include/libusb-1.0 option instructing it to look in this directory.
>>
>>>  By default, everything under /usr/include should be found and, if the directory doesn't have a . in the name it is.
>>>
>>>  -- Roland Hughes, President Logikal Solutions (630)-205-1593 http://www.theminimumyouneedtoknow.com http://www.infiniteexposure.net http://www.johnsmith-book.com http://www.logikalblog.com http://www.interestingauthors.com/blog http://lesedi.us/ http://onedollarcontentstore.com
>>>  ,
>
> Yes, there is a force here. Having to inform the environment about a
> directory underneath /usr/include is a force. By design all directories
> in that tree are searched.

Your understanding is wrong. Please read documentation of your compiler more carefully.

>
> This is a bug.
>
> --
> Roland Hughes, President
> Logikal Solutions
> (630)-205-1593
>
> http://www.theminimumyouneedtoknow.com
> http://www.infiniteexposure.net
> http://www.johnsmith-book.com
> http://www.logikalblog.com
> http://www.interestingauthors.com/blog
> http://lesedi.us/
> http://onedollarcontentstore.com

-- 
Regards,
Konstantin