#https://openwrt.org/docs/guide-developer/build-system/install-buildsystem
#https://openwrt.org/docs/guide-developer/build-system/use-buildsystem
git clone https://git.openwrt.org/openwrt/openwrt.git
cd openwrt
git checkout `git rev-list -1 --before="Mar 31 2020" master`
#edit generic-tp-link.mk in both locations to add kmod-ath10k as per pull
vi ~/openwrt/target/linux/ar71xx/image/generic-tp-link.mk
vi ~/openwrt/target/linux/ath79/image/generic-tp-link.mk
./scripts/feeds update -a
./scripts/feeds install -a
make menuconfig
make defconfig
make menuconfig
make download
cd ~
cp 982-ath10k-qca9880-ar1a-archer-c7-wdr7500.patch 980-revertcrap.mod.patch ~/openwrt/package/kernel/mac80211/patches/ath/.
cp files openwrt/.
cd openwrt
make -j5 V=s