Emuelec build error

Please pardon for the basic questions.
I use ubuntu-20.04. When building emuelec, I am prompted with an error. I don’t know how to deal with it. I’m asking for help,

make[3]: Entering directory ‘/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/.x86_64-linux-gnu’
MAKEINFO /home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.info
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:15: @include: could not find version.texi
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:21: warning: undefined flag: VERSION
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:21: warning: undefined flag: UPDATED
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:46: warning: undefined flag: VERSION
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:46: warning: undefined flag: UPDATED
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:66: warning: undefined flag: VERSION
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:537: warning: undefined flag: VERSION
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:570: warning: undefined flag: VERSION
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:2085: warning: undefined flag: VERSION
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:2510: @include: could not find notes.texi
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:5853: @include: could not find PLATFORMS
/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.texi:7239: @include: could not find fdl.texi
mv: target ‘.//home/eng/’$’\344\270\213\350\275\275’’/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/’ is not a directory
make[3]: *** [Makefile:1352: /home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/doc/libtool.info] Error 1
make[3]: Leaving directory ‘/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/.x86_64-linux-gnu’
make[2]: *** [Makefile:1558: install-recursive] Error 1
make[2]: Leaving directory ‘/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/.x86_64-linux-gnu’
make[1]: *** [Makefile:1860: install] Error 2
make[1]: Leaving directory ‘/home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/libtool-2.4.6/.x86_64-linux-gnu’
FAILURE: scripts/build libtool:host has failed!
[016/483] [FAIL] build libtool:host

The following logs for this failure are available:
stdout: /home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/.threads/logs/12/stdout
stderr: /home/eng/clone/EmuELEC/build.EmuELEC-Amlogic.aarch64-4.3/.threads/logs/12/stderr

parallel: This job failed:
package_worker 12 12 483 ‘build libtool:host’
Parallel build failure - see log for details. Time of failure: Tue Oct 12 13:42:06 CST 2021
make: *** [Makefile:12:image] error 1

There should be more detail in these files.
BTW, Make sure you have enough disk space. In my past experience, 20 GB free space is required to build EmuELEC.

Thank your attention. I have prepared 100GB of free space for emulec。

It’s amazing that I recompile and pass it