qt5: Enable Link Time Optimization

Build qtbase and rest of the modules with Link Time Optimization
that significantly improves performance and reduces binary sizes.

Task-number: QTBUG-68688
Change-Id: Ia6b73b063c65a719549b26adaf1d67f94cae65a6
Reviewed-by: Kari Oikarinen <kari.oikarinen@qt.io>

1 files changed, 4 insertions, 0 deletions

diff --git a/meta-boot2qt-distro/recipes-qt/qt5/qtbase_git.bbappend b/meta-boot2qt-distro/recipes-qt/qt5/qtbase_git.bbappend
index 5f62fbb..f24556e 100644
--- a/meta-boot2qt-distro/recipes-qt/qt5/qtbase_git.bbappend
+++ b/meta-boot2qt-distro/recipes-qt/qt5/qtbase_git.bbappend
@@ -44,6 +44,7 @@ PACKAGECONFIG += " \
     icu \
     libinput \
     linuxfb \
+    ltcg \
     sql-sqlite \
     tslib \
     xkbcommon-evdev \
@@ -51,6 +52,9 @@ PACKAGECONFIG += " \
 
 PACKAGECONFIG_remove = "tests"
 
+# Disable on emulator due to QTBUG-69252
+PACKAGECONFIG_remove_emulator = "ltcg"
+
 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
 
 SRC_URI += " \