Article 51DJS What is ./bootstrap ?? in linux

What is ./bootstrap ?? in linux

by
penguine_lq
from LinuxQuestions.org on (#51DJS)
Hello guys,
i have recently tried to install a set of icons which requires clang (a compiler) along with icons-in-terminal (which is icon printing utility) from Github. but I never really understood the instruction they provide. here is the link of github projects:

https://github.com/sebastiencs/ls-icons

dependency:
clang
https://github.com/sebastiencs/icons...l#integrations

Can you please tell me what is the instruction dictates??

once installed you can run these instruction :: (but what does it mean???)

$ ./bootstrap
$ export CFLAGS=-DNO_TRUE_COLOURS=1 # Execute this line _only_ if your terminal doesn't support true colours
$ export CC=clang CXX=clang++
$ ./configure --prefix=/opt/coreutils
$ make
$ make install
$ /opt/coreutils/bin/lslatest?d=yIl2AUoC8zA latest?i=iwneFjJZLW8:IeSCZyUahTI:F7zBnMy latest?i=iwneFjJZLW8:IeSCZyUahTI:V_sGLiP latest?d=qj6IDK7rITs latest?i=iwneFjJZLW8:IeSCZyUahTI:gIN9vFwiwneFjJZLW8
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