Fix build with 5.8 and make embedded configurable

Avoid checking features only available in 5.9 directly. This also
changes the embedded-build configuration to being a feature that can be
set at configure time.

Change-Id: I9b42dcf696734a83e5c8d6e1cc07562cbeb3f993
Reviewed-by: Michael Brüning <michael.bruning@qt.io>
Reviewed-by: Michal Klocek <michal.klocek@qt.io>

1 files changed, 9 insertions, 0 deletions

diff --git a/configure.pri b/configure.pri
index b6693aecf..23f31686e 100644
--- a/configure.pri
+++ b/configure.pri
@@ -23,3 +23,12 @@ defineTest(qtConfTest_detectGn) {
     qtLog("Building own gn")
     return(false)
 }
+
+defineTest(qtConfTest_embedded) {
+    lessThan(QT_MINOR_VERSION, 9) {
+        cross_compile: return(true)
+        return(false)
+    }
+    $$qtConfEvaluate("features.cross_compile"): return(true)
+    return(false)
+}