Made xcb plugin work when the GLX extension is not present.

Change-Id: I9285d7524586ff404206c088019ece33335137d9
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/configure b/configure
index d130b69ef4..5229c2b0ea 100755
--- a/configure
+++ b/configure
@@ -801,6 +801,7 @@ CFG_XINPUT2=auto
 CFG_XINPUT=runtime
 CFG_XKB=auto
 CFG_XCB=auto
+CFG_XCB_GLX=no
 CFG_XCB_LIMITED=yes
 CFG_EGLFS=auto
 CFG_DIRECTFB=auto
@@ -4790,6 +4791,11 @@ if [ "$CFG_XCB" != "no" ]; then
             QT_CONFIG="$QT_CONFIG xcb-render"
         fi
 
+        if compileTest qpa/xcb-glx "xcb-glx" $QMAKE_CFLAGS_XCB $QMAKE_LIBS_XCB; then
+            CFG_XCB_GLX=yes
+            QT_CONFIG="$QT_CONFIG xcb-glx"
+        fi
+
         if compileTest qpa/xcb-poll-for-queued-event "xcb-poll-for-queued-event" $QMAKE_CFLAGS_XCB $QMAKE_LIBS_XCB; then
             CFG_XCB_LIMITED=no
             QT_CONFIG="$QT_CONFIG xcb-poll-for-queued-event"