[kde-freebsd] A bug in QtCore.pc or qglobal.h?

[Max Brazhnikov]

On Sun, 22 Jun 2008 01:18:13 -0500, Jeremy Messenger wrote:
> On Sat, 21 Jun 2008 14:04:08 -0500, Max Brazhnikov <makc at issp.ac.ru> wrote:
> > On Sat, 21 Jun 2008 11:20:38 -0500, Jeremy Messenger wrote:
> >> Hello folks,
> >>
> >> I am wondering if there is a bug in QtCore.pc for not have
> >> -I/usr/local/include or qglobal.h for should be '#include
> >> <QtCore/qconfig.h>' -> '#include <qconfig.h>'? A simple test.cc failed
> >> to
> >> compile unless I add -I/usr/local/include.
> >>
> >> -------------------------------------
> >> # cat test.cc
> >> #include <cstdio>
> >> #include <QtGlobal>
> >> extern "C" int main(void)
> >> {
> >>    printf("found version %s", QT_VERSION_STR);
> >> #if QT_VERSION >= 0x040200
> >>    printf(", OK.\n");
> >>    return 0;
> >>    printf(", expected version 4.2.0 or higher\n");
> >>    return 1;
> >> #endif
> >> }
> >> -------------------------------------
> >>
> >> -------------------------------------
> >> # c++ -O -Wall -o test test.cc `pkg-config QtCore --cflags --libs`
> >> In file included from /usr/local/include/QtCore/QtGlobal:1,
> >>                   from test.cc:2:
> >> /usr/local/include/QtCore/qglobal.h:62:28: error: QtCore/qconfig.h: No
> >> such file or directory
> >> /usr/local/include/QtCore/qglobal.h:942:31: error: QtCore/qfeatures.h:
> >> No
> >> such file or directory
> >> /usr/local/include/QtCore/qglobal.h:1139:4: error: #error "Qt not
> >> configured correctly, please run configure"
> >> /usr/local/include/QtCore/qglobal.h:2036:6: error: #error "Qt not
> >> configured correctly, please run configure"
> >> -------------------------------------
> >>
> >> The solution is to add -I/usr/local/include.
> >>
> >> -------------------------------------
> >> # c++ -O -Wall -o test test.cc `pkg-config QtCore --cflags --libs`
> >> -I/usr/local/include
> >> # ./test
> >> found version 4.3.4, OK.
> >> -------------------------------------
> >>
> >> -------------------------------------
> >> # pkg-config QtCore --cflags --libs
> >> -DQT_SHARED -I/usr/local/include/QtCore  -pthread -L/usr/local/lib
> >> -lQtCore -lz -lm -lgthread-2.0 -lglib-2.0 -liconv
> >> -------------------------------------
> >>
> >> BTW: Please add me in CC.
> >>
> >> Cheers,
> >> Mezz
> >
> > /usr/local/include was removed (incorrectly) from Qt*.pc. The problem is
> > that
> > qt3 installs headers (one of them is qconfig.h) to /usr/local/include
> > and
> > this sometimes confuses qt4 ports.
>
> I have both qt3 and qt4 installed, and I don't have any problem. I think
> it's matter of order. Does qt4 still has problem even if it has
> /usr/local/include in the last order? Like this:
>
> -I/usr/local/include/QtCore -I/usr/local/include
This might break some qt4-dependent ports, if their include path will be like 
-I/usr/local/include/QtCore -I/usr/local/include -I/usr/local/include/QtGui

> I believe that it needs to be fix in *.pc files. The qt3 doesn't has
> QtCore, so I think it should be no problem.
the fix is needed indeed, moving qt3 headers out from /usr/local/include will 
help