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-rw-r--r--eclass/qt5-build.eclass8
1 files changed, 5 insertions, 3 deletions
diff --git a/eclass/qt5-build.eclass b/eclass/qt5-build.eclass
index db08161cc87d..270ab1302072 100644
--- a/eclass/qt5-build.eclass
+++ b/eclass/qt5-build.eclass
@@ -583,13 +583,15 @@ qt5_base_configure() {
-no-icu -no-fontconfig
-no-dbus
- # don't strip
+ # let portage handle stripping
-no-strip
- # precompiled headers are not that useful for us
- # and cause problems on hardened, so turn them off
+ # precompiled headers can cause problems on hardened, so turn them off
-no-pch
+ # link-time code generation is not something we want to enable by default
+ $([[ ${QT5_MINOR_VERSION} -ge 6 ]] && echo -no-ltcg)
+
# reduced relocations cause major breakage on at least arm and ppc, so
# don't specify anything and let the configure figure out if they are
# supported; see also https://bugreports.qt.io/browse/QTBUG-36129