Openwrt:build dependency:please do not compile as root solution

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Compile OpenWrt appears:

Collecting Package Info:done
Checking ' Working-make ' ... ok.
Checking ' Case-sensitive-fs ' ... ok.
Checking ' getopt ' ... ok.
Checking ' fileutils ' ... ok.
Checking ' WORKING-GCC ' ... ok.
Checking ' working-g++ ' ... ok.
Checking ' ncurses ' ... ok.
Checking ' zlib ' ... ok.
Checking ' gawk ' ... ok.
Checking ' unzip ' ... ok.
Checking ' bzip2 ' ... ok.
Checking ' patch ' ... ok.
Checking ' perl ' ... ok.
Checking ' python ' ... ok.
Checking ' wget ' ... ok.
Checking ' git ' ... ok.
Checking ' Gnutar ' ... ok.
Checking ' svn ' ... ok.
Checking ' Gnu-find ' ... ok.
Checking ' getopt-extended ' ... ok.
Checking ' OCAMLC ' ... ok.
Checking ' Ocamlfind ' ... ok.
Checking ' Non-root ' ... failed.

Build Dependency:please does not compile as root.

Prerequisite check failed. Use Force=1 to override.
MAKE[1]: * * * [tmp/.prereq-build] Error 1
Make: * * * [deconfig] Error 2

This error occurs because OpenWrt checks the permissions by default for security purposes and recommends that you compile them with non-root permissions, which are set under the INCLUDE/PREREQ-BUILD.MK path
Workaround:

command-line Input VI include/prereq-build.mk

In the Prereq-build.mk file, comment out the line that is annotated in the following figure (plus the # annotation symbol in front)

And then re-make Defconfig in the QSDK directory

Checking whether Mknod can create FIFO without root privileges ... configure:error:in '/work/openwrt/build_dir/host/tar-1 .28 ':
Configure:error:you should not run configure as root (set force_unsafe_configure=1 in environment to bypass this check)

Try the command indicated in the error message:

Export force_unsafe_configure=1 && make

This being said, it is true the "unsafe configure" requirement seems a bit strange. Double-check the log (Config.log) and the If there is something more explicit in there.