hg: openjfx/11-dev/rt: 8215435: Warn on usage of trampolines with gcc

[johan at lodgon.com]

Changeset: 6ad5f129cb7f
Author:    kcr
Date:      2019-01-16 11:34 -0800
URL:       https://hg.openjdk.java.net/openjfx/11-dev/rt/rev/6ad5f129cb7f

8215435: Warn on usage of trampolines with gcc
Reviewed-by: jvos

! buildSrc/linux.gradle
! modules/javafx.media/src/main/native/gstreamer/projects/linux/avplugin/Makefile
! modules/javafx.media/src/main/native/gstreamer/projects/linux/fxplugins/Makefile
! modules/javafx.media/src/main/native/gstreamer/projects/linux/gstreamer-lite/Makefile
! modules/javafx.media/src/main/native/jfxmedia/projects/linux/Makefile