<![CDATA[incompatible /usr/lib/libGL.so]]>Hello,
building default QT Widgets Application on a fresh setup of Qt 5.6.1. GCC64bit on OpenSuse 42.1 Leap results in following error messages:

:-1: error: skipping incompatible /usr/lib/libGL.so when searching for -lGL


:-1: error: cannot find -lGL

locations of libGL.so are:

1.   /usr/X11R6/lib/libGL.so
2.   /usr/X11R6/lib64/libGL.so
3.   /usr/lib/libGL.so
4.   /usr/lib64/libGL.so

I assume the 3rd one is found first but the 4th should be found.
How to fix this in Qt-creator 4.0.1. ?
The Makefile contains:

LFLAGS        = -Wl,-rpath,/opt/Qt5/5.6/gcc_64/lib
LIBS          = $(SUBLIBS) -L/opt/Qt5/5.6/gcc_64/lib -lQt5Widgets -L/usr/lib64 -lQt5Gui -lQt5Core -lGL -lpthread
]]>https://forum.qt.io/topic/69191/incompatible-usr-lib-libgl-soRSS for NodeWed, 10 Jun 2026 02:35:37 GMTTue, 12 Jul 2016 03:20:16 GMT60<![CDATA[Reply to incompatible /usr/lib/libGL.so on Wed, 13 Jul 2016 07:48:18 GMT]]>works now, thanks a lot :)

]]>https://forum.qt.io/post/337439https://forum.qt.io/post/337439Wed, 13 Jul 2016 07:48:18 GMT<![CDATA[Reply to incompatible /usr/lib/libGL.so on Wed, 13 Jul 2016 06:32:07 GMT]]>Since you are using Qt Creator, go to the Build & Run panel in the options, then Kit, select the kit you are using. There you'll have a line name Qt mkspec. You can set there the mkspec.

]]>https://forum.qt.io/post/337425https://forum.qt.io/post/337425Wed, 13 Jul 2016 06:32:07 GMT<![CDATA[Reply to incompatible /usr/lib/libGL.so on Wed, 13 Jul 2016 05:23:34 GMT]]>Thank You SGaist,

this sounds interesting, but I do not know how to use "linux-g++-64 mkspec". Can you explain a little more, please, thank you.

]]>https://forum.qt.io/post/337416https://forum.qt.io/post/337416Wed, 13 Jul 2016 05:23:34 GMT<![CDATA[Reply to incompatible /usr/lib/libGL.so on Tue, 12 Jul 2016 21:09:20 GMT]]>Hi,

One thing you can try is to use the linux-g++-64 mkspec when you configure your project.

Hope it helps

]]>https://forum.qt.io/post/337381https://forum.qt.io/post/337381Tue, 12 Jul 2016 21:09:20 GMT