Pure Qt NetworkManager front-end residing in panels

mkdir /data/buildroot/package/nm-tray
cat > /data/buildroot/package/nm-tray/Config.in<< 'EOF'
config BR2_PACKAGE_NM_TRAY
        bool "nm-tray"
        depends on BR2_PACKAGE_NETWORKMANAGER_QT
        depends on BR2_PACKAGE_QT5TOOLS
        help
          Pure Qt NetworkManager front-end residing in panels
EOF

cat > /data/buildroot/package/nm-tray/nm-tray.mk<< 'EOF'
#############################################################
#
# nm-tray
#https://github.com/palinek/nm-tray/archive/refs/tags/0.5.0.tar.gz
#############################################################
NM_TRAY_VERSION = 0.5.0
NM_TRAY_SOURCE  = $(NM_TRAY_VERSION).tar.gz
NM_TRAY_SITE    = https://github.com/palinek/nm-tray/archive/refs/tags

NM_TRAY_DEPENDENCIES = networkmanager-qt qt5tools
NM_TRAY_INSTALL_TARGET = YES
NM_TRAY_SUPPORTS_IN_SOURCE_BUILD = NO 
NM_TRAY_CONF_OPTS = -DCMAKE_TOOLCHAIN_FILE=$(HOST_DIR)/share/buildroot/toolchainfile.cmake \
    -DKF5NetworkManagerQt_DIR=$(TARGET_DIR)/usr/lib/cmake/KF5NetworkManagerQt \
    -DCMAKE_INSTALL_PREFIX=/usr

define NM_TRAY_CONFIGURE_CMDS
  if [[ ! -L "$(HOST_DIR)/usr/lib/libpcre.so.3" ]]; then ln -s $(HOST_DIR)/usr/lib/libpcre.so $(HOST_DIR)/usr/lib/libpcre.so.3; fi
  if [[ ! -d $(@D)/buildroot-build ]]; then mkdir $(@D)/buildroot-build; fi
  cd $(@D)/buildroot-build && \
  LDFLAGS="$(LDFLAGS) -pthread -Wl,--as-needed -Wl,--allow-shlib-undefined" cmake "$(@D)/" $(NM_TRAY_CONF_OPTS)
endef

$(eval $(cmake-package))
EOF

sed -i '/menu "Custom packages"/a source "package/nm-tray/Config.in"' /data/buildroot/package/Config.in