[Buildroot] [PATCH] qt5: Disable pkg-config usage for cross-building

[Alexey Brodkin]

Hi Thomas, Yann,

On Fri, 2016-09-23 at 10:28 +0300, Alexey Brodkin wrote:
> Hi Thomas,
> 
> On Fri, 2016-09-23 at 08:19 +0200, Thomas Petazzoni wrote:
> > 
> > Hello,
> > 
> > On Fri, 23 Sep 2016 06:12:44 +0000, Alexey Brodkin wrote:
> > 
> > > 
> > > 
> > > > 
> > > > 
> > > > Alexey, have you tried the other approaches I outlined in the thread
> > > > where the initial discussion took place?  

Ok approach with setting empty QMAKE_CFLAGS_ISYSTEM works for me.

So what about something like that?
-------------------------->8---------------------
diff --git a/package/qt5/qt5base/qmake.conf b/package/qt5/qt5base/qmake.conf
index 2152d3c..49cf898 100644
--- a/package/qt5/qt5base/qmake.conf
+++ b/package/qt5/qt5base/qmake.conf
@@ -19,6 +19,7 @@ QMAKE_CXXFLAGS_RELEASE += -O3
 CONFIG                 += nostrip
 
 QMAKE_LIBS             += -lrt -lpthread -ldl
+QMAKE_CFLAGS_ISYSTEM   =
 
 include(../common/linux_device_post.conf)
 load(qt_config)
-------------------------->8---------------------

-Alexey