# Fix gcc version include/prereq-build.mk: grep -E '^(4\.[8-9]|[5-9]\.?|10\.?)' to grep -E '^(4\.[8-9]|[5-9]\.?|[1-9][0-9]\.?)'
#более менее но неудачно "https://downloads.openwrt.org/releases/19.07.4/targets/brcm47xx/legacy/openwrt-sdk-19.07.4-brcm47xx-legacy_gcc-7.5.0_musl.Linux-x86_64.tar.xz"