报错信息
configure: error: TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client
gmake[3]: *** [Makefile:266: /Volumes/Yuki/wndr4300/openwrt/build_dir/target-mips_24kc_musl/unbound-1.13.0/.configured_60214bb2b54800d4c3e2f823aed3f714] Error 1
gmake[3]: Leaving directory '/Volumes/Yuki/wndr4300/openwrt/feeds/packages/net/unbound'
time: package/feeds/packages/unbound/compile#24.51#9.69#722.66
ERROR: package/feeds/packages/unbound failed to build.
gmake[2]: *** [package/Makefile:114: package/feeds/packages/unbound/compile] Error 1
gmake[2]: Leaving directory '/Volumes/Yuki/wndr4300/openwrt'
gmake[1]: *** [package/Makefile:108: /Volumes/Yuki/wndr4300/openwrt/staging_dir/target-mips_24kc_musl/stamp/.package_compile] Error 2
gmake[1]: Leaving directory '/Volumes/Yuki/wndr4300/openwrt'
gmake: *** [/Volumes/Yuki/wndr4300/openwrt/include/toplevel.mk:242: world] Error 2
解决方法
编辑./openwrt/feeds/packages/net/unbound/Makefile，删除
--enable-tfo-client \
这一行即可