diff --git a/package/kf5/kf5-kcoreaddons/kf5-kcoreaddons.mk b/package/kf5/kf5-kcoreaddons/kf5-kcoreaddons.mk
index 6cf7a3d107..ea6aac4ec6 100644
--- a/package/kf5/kf5-kcoreaddons/kf5-kcoreaddons.mk
+++ b/package/kf5/kf5-kcoreaddons/kf5-kcoreaddons.mk
@@ -13,4 +13,11 @@ KF5_KCOREADDONS_LICENSE_FILES = COPYING.LIB
 KF5_KCOREADDONS_DEPENDENCIES = kf5-extra-cmake-modules qt5tools
 KF5_KCOREADDONS_INSTALL_STAGING = YES
 
+KF5_KCOREADDONS_CXXFLAGS = $(TARGET_CXXFLAGS)
+KF5_KCOREADDONS_CONF_OPTS = -DCMAKE_CXX_FLAGS="$(KF5_KCOREADDONS_CXXFLAGS)"
+
+ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
+KF5_KCOREADDONS_CXXFLAGS += -latomic
+endif
+
 $(eval $(cmake-package))